/* objcopy.c -- copy object file from input to output, optionally massaging it.
- Copyright (C) 1991-2019 Free Software Foundation, Inc.
+ Copyright (C) 1991-2021 Free Software Foundation, Inc.
This file is part of GNU Binutils.
struct is_specified_symbol_predicate_data
{
- const char * name;
- bfd_boolean found;
+ const char *name;
+ bool found;
};
/* A node includes symbol name mapping to support redefine_sym. */
long symval;
flagword flags;
char * section;
- char * othersym;
+ const char * othersym;
};
typedef struct section_rename
static int interleave = 0; /* Initialised to 4 in copy_main(). */
static int copy_width = 1;
-static bfd_boolean verbose; /* Print file and target names. */
-static bfd_boolean preserve_dates; /* Preserve input file timestamp. */
+static bool keep_section_symbols = false ;/* True if section symbols should be retained. */
+static bool verbose; /* Print file and target names. */
+static bool preserve_dates; /* Preserve input file timestamp. */
static int deterministic = -1; /* Enable deterministic archives. */
static int status = 0; /* Exit status. */
-static bfd_boolean merge_notes = FALSE; /* Merge note sections. */
-static bfd_byte * merged_notes = NULL; /* Contents on note section undergoing a merge. */
-static bfd_size_type merged_size = 0; /* New, smaller size of the merged note section. */
+static bool merge_notes = false; /* Merge note sections. */
+
+typedef struct merged_note_section
+{
+ asection * sec; /* The section that is being merged. */
+ bfd_byte * contents;/* New contents of the section. */
+ bfd_size_type size; /* New size of the section. */
+ struct merged_note_section * next; /* Link to next merged note section. */
+} merged_note_section;
enum strip_action
{
/* Structure used to hold lists of sections and actions to take. */
struct section_list
{
- struct section_list * next; /* Next section to change. */
- const char * pattern; /* Section name pattern. */
- bfd_boolean used; /* Whether this entry was used. */
+ struct section_list *next; /* Next section to change. */
+ const char *pattern; /* Section name pattern. */
+ bool used; /* Whether this entry was used. */
- unsigned int context; /* What to do with matching sections. */
+ unsigned int context; /* What to do with matching sections. */
/* Flag bits used in the context field.
- COPY and REMOVE are mutually exlusive. SET and ALTER are mutually exclusive. */
+ COPY and REMOVE are mutually exlusive.
+ SET and ALTER are mutually exclusive. */
#define SECTION_CONTEXT_REMOVE (1 << 0) /* Remove this section. */
#define SECTION_CONTEXT_COPY (1 << 1) /* Copy this section, delete all non-copied section. */
-#define SECTION_CONTEXT_SET_VMA (1 << 2) /* Set the sections' VMA address. */
-#define SECTION_CONTEXT_ALTER_VMA (1 << 3) /* Increment or decrement the section's VMA address. */
-#define SECTION_CONTEXT_SET_LMA (1 << 4) /* Set the sections' LMA address. */
-#define SECTION_CONTEXT_ALTER_LMA (1 << 5) /* Increment or decrement the section's LMA address. */
-#define SECTION_CONTEXT_SET_FLAGS (1 << 6) /* Set the section's flags. */
-#define SECTION_CONTEXT_REMOVE_RELOCS (1 << 7) /* Remove relocations for this section. */
-
- bfd_vma vma_val; /* Amount to change by or set to. */
- bfd_vma lma_val; /* Amount to change by or set to. */
- flagword flags; /* What to set the section flags to. */
+#define SECTION_CONTEXT_KEEP (1 << 2) /* Keep this section. */
+#define SECTION_CONTEXT_SET_VMA (1 << 3) /* Set the sections' VMA address. */
+#define SECTION_CONTEXT_ALTER_VMA (1 << 4) /* Increment or decrement the section's VMA address. */
+#define SECTION_CONTEXT_SET_LMA (1 << 5) /* Set the sections' LMA address. */
+#define SECTION_CONTEXT_ALTER_LMA (1 << 6) /* Increment or decrement the section's LMA address. */
+#define SECTION_CONTEXT_SET_FLAGS (1 << 7) /* Set the section's flags. */
+#define SECTION_CONTEXT_REMOVE_RELOCS (1 << 8) /* Remove relocations for this section. */
+#define SECTION_CONTEXT_SET_ALIGNMENT (1 << 9) /* Set alignment for section. */
+
+ bfd_vma vma_val; /* Amount to change by or set to. */
+ bfd_vma lma_val; /* Amount to change by or set to. */
+ flagword flags; /* What to set the section flags to. */
+ unsigned int alignment; /* Alignment of output section. */
};
static struct section_list *change_sections;
/* TRUE if some sections are to be removed. */
-static bfd_boolean sections_removed;
+static bool sections_removed;
/* TRUE if only some sections are to be copied. */
-static bfd_boolean sections_copied;
+static bool sections_copied;
/* Changes to the start address. */
static bfd_vma change_start = 0;
-static bfd_boolean set_start_set = FALSE;
+static bool set_start_set = false;
static bfd_vma set_start;
/* Changes to section addresses. */
static bfd_vma change_section_address = 0;
/* Filling gaps between sections. */
-static bfd_boolean gap_fill_set = FALSE;
+static bool gap_fill_set = false;
static bfd_byte gap_fill = 0;
/* Pad to a given address. */
-static bfd_boolean pad_to_set = FALSE;
+static bool pad_to_set = false;
static bfd_vma pad_to;
/* Use alternative machine code? */
static const char * gnu_debuglink_filename = NULL;
/* Whether to convert debugging information. */
-static bfd_boolean convert_debugging = FALSE;
+static bool convert_debugging = false;
/* Whether to compress/decompress DWARF debug sections. */
static enum
static enum bfd_link_elf_stt_common do_elf_stt_common = unchanged;
/* Whether to change the leading character in symbol names. */
-static bfd_boolean change_leading_char = FALSE;
+static bool change_leading_char = false;
/* Whether to remove the leading character from global symbol names. */
-static bfd_boolean remove_leading_char = FALSE;
+static bool remove_leading_char = false;
/* Whether to permit wildcard in symbol comparison. */
-static bfd_boolean wildcard = FALSE;
+static bool wildcard = false;
/* True if --localize-hidden is in effect. */
-static bfd_boolean localize_hidden = FALSE;
+static bool localize_hidden = false;
/* List of symbols to strip, keep, localize, keep-global, weaken,
or redefine. */
static char *weaken_specific_buffer = NULL;
/* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
-static bfd_boolean weaken = FALSE;
+static bool weaken = false;
/* If this is TRUE, we retain BSF_FILE symbols. */
-static bfd_boolean keep_file_symbols = FALSE;
+static bool keep_file_symbols = false;
/* Prefix symbols/sections. */
static char *prefix_symbols_string = 0;
static char *prefix_alloc_sections_string = 0;
/* True if --extract-symbol was passed on the command line. */
-static bfd_boolean extract_symbol = FALSE;
+static bool extract_symbol = false;
/* If `reverse_bytes' is nonzero, then reverse the order of every chunk
of <reverse_bytes> bytes within each output section. */
OPTION_INTERLEAVE_WIDTH,
OPTION_KEEPGLOBAL_SYMBOLS,
OPTION_KEEP_FILE_SYMBOLS,
+ OPTION_KEEP_SECTION,
OPTION_KEEP_SYMBOLS,
+ OPTION_KEEP_SECTION_SYMBOLS,
OPTION_LOCALIZE_HIDDEN,
OPTION_LOCALIZE_SYMBOLS,
OPTION_LONG_SECTION_NAMES,
OPTION_REMOVE_RELOCS,
OPTION_RENAME_SECTION,
OPTION_REVERSE_BYTES,
- OPTION_SECTION_ALIGNMENT,
+ OPTION_PE_SECTION_ALIGNMENT,
OPTION_SET_SECTION_FLAGS,
+ OPTION_SET_SECTION_ALIGNMENT,
OPTION_SET_START,
OPTION_SREC_FORCES3,
OPTION_SREC_LEN,
OPTION_STRIP_UNNEEDED_SYMBOLS,
OPTION_SUBSYSTEM,
OPTION_UPDATE_SECTION,
+ OPTION_VERILOG_DATA_WIDTH,
OPTION_WEAKEN,
OPTION_WEAKEN_SYMBOLS,
OPTION_WRITABLE_TEXT
{"info", no_argument, 0, OPTION_FORMATS_INFO},
{"input-format", required_argument, 0, 'I'}, /* Obsolete */
{"input-target", required_argument, 0, 'I'},
+ {"keep-section-symbols", no_argument, 0, OPTION_KEEP_SECTION_SYMBOLS},
{"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS},
+ {"keep-section", required_argument, 0, OPTION_KEEP_SECTION},
{"keep-symbol", required_argument, 0, 'K'},
{"merge-notes", no_argument, 0, 'M'},
{"no-merge-notes", no_argument, 0, OPTION_NO_MERGE_NOTES},
{"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS},
{"keep-global-symbol", required_argument, 0, 'G'},
{"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS},
+ {"keep-section", required_argument, 0, OPTION_KEEP_SECTION},
{"keep-symbol", required_argument, 0, 'K'},
{"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS},
+ {"keep-section-symbols", required_argument, 0, OPTION_KEEP_SECTION_SYMBOLS},
{"localize-hidden", no_argument, 0, OPTION_LOCALIZE_HIDDEN},
{"localize-symbol", required_argument, 0, 'L'},
{"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS},
{"remove-relocations", required_argument, 0, OPTION_REMOVE_RELOCS},
{"rename-section", required_argument, 0, OPTION_RENAME_SECTION},
{"reverse-bytes", required_argument, 0, OPTION_REVERSE_BYTES},
- {"section-alignment", required_argument, 0, OPTION_SECTION_ALIGNMENT},
+ {"section-alignment", required_argument, 0, OPTION_PE_SECTION_ALIGNMENT},
{"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS},
+ {"set-section-alignment", required_argument, 0, OPTION_SET_SECTION_ALIGNMENT},
{"set-start", required_argument, 0, OPTION_SET_START},
{"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3},
{"srec-len", required_argument, 0, OPTION_SREC_LEN},
{"target", required_argument, 0, 'F'},
{"update-section", required_argument, 0, OPTION_UPDATE_SECTION},
{"verbose", no_argument, 0, 'v'},
+ {"verilog-data-width", required_argument, 0, OPTION_VERILOG_DATA_WIDTH},
{"version", no_argument, 0, 'V'},
{"weaken", no_argument, 0, OPTION_WEAKEN},
{"weaken-symbol", required_argument, 0, 'W'},
/* Restrict the generation of Srecords to type S3 only.
This variable is defined in bfd/srec.c and can be toggled
on by the --srec-forceS3 command line switch. */
-extern bfd_boolean _bfd_srec_forceS3;
+extern bool _bfd_srec_forceS3;
+
+/* Width of data in bytes for verilog output.
+ This variable is declared in bfd/verilog.c and can be modified by
+ the --verilog-data-width parameter. */
+extern unsigned int VerilogDataWidth;
/* Forward declarations. */
static void setup_section (bfd *, asection *, void *);
static void get_sections (bfd *, asection *, void *);
static int compare_section_lma (const void *, const void *);
static void mark_symbols_used_in_relocations (bfd *, asection *, void *);
-static bfd_boolean write_debugging_info (bfd *, void *, long *, asymbol ***);
+static bool write_debugging_info (bfd *, void *, long *, asymbol ***);
static const char *lookup_sym_redefinition (const char *);
static const char *find_section_rename (const char *, flagword *);
\f
--only-keep-debug Strip everything but the debug information\n\
--extract-dwo Copy only DWO sections\n\
--extract-symbol Remove section contents but keep symbols\n\
+ --keep-section <name> Do not strip section <name>\n\
-K --keep-symbol <name> Do not strip symbol <name>\n\
+ --keep-section-symbols Do not strip section symbols\n\
--keep-file-symbols Do not strip file symbol(s)\n\
--localize-hidden Turn all ELF hidden symbols into locals\n\
-L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
Warn if a named section does not exist\n\
--set-section-flags <name>=<flags>\n\
Set section <name>'s properties to <flags>\n\
+ --set-section-alignment <name>=<align>\n\
+ Set section <name>'s alignment to <align> bytes\n\
--add-section <name>=<file> Add section <name> found in <file> to output\n\
--update-section <name>=<file>\n\
Update contents of section <name> with\n\
--decompress-debug-sections Decompress DWARF debug sections using zlib\n\
--elf-stt-common=[yes|no] Generate ELF common symbols with STT_COMMON\n\
type\n\
+ --verilog-data-width <number> Specifies data width, in bytes, for verilog output\n\
-M --merge-notes Remove redundant entries in note sections\n\
--no-merge-notes Do not attempt to remove redundant notes (default)\n\
-v --verbose List all object files modified\n\
-M --merge-notes Remove redundant entries in note sections (default)\n\
--no-merge-notes Do not attempt to remove redundant notes\n\
-N --strip-symbol=<name> Do not copy symbol <name>\n\
+ --keep-section=<name> Do not strip section <name>\n\
-K --keep-symbol=<name> Do not strip symbol <name>\n\
+ --keep-section-symbols Do not strip section symbols\n\
--keep-file-symbols Do not strip file symbol(s)\n\
-w --wildcard Permit wildcard in symbol comparison\n\
-x --discard-all Remove all non-global symbols\n\
PARSE_FLAG ("code", SEC_CODE);
PARSE_FLAG ("data", SEC_DATA);
PARSE_FLAG ("rom", SEC_ROM);
+ PARSE_FLAG ("exclude", SEC_EXCLUDE);
PARSE_FLAG ("share", SEC_COFF_SHARED);
PARSE_FLAG ("contents", SEC_HAS_CONTENTS);
PARSE_FLAG ("merge", SEC_MERGE);
copy[len] = '\0';
non_fatal (_("unrecognized section flag `%s'"), copy);
fatal (_("supported flags: %s"),
- "alloc, load, noload, readonly, debug, code, data, rom, share, contents, merge, strings");
+ "alloc, load, noload, readonly, debug, code, data, rom, exclude, share, contents, merge, strings");
}
s = snext;
string can't be parsed. */
static flagword
-parse_symflags (const char *s, char **other)
+parse_symflags (const char *s, const char **other)
{
flagword ret;
const char *snext;
entry as used. */
static struct section_list *
-find_section_list (const char *name, bfd_boolean add, unsigned int context)
+find_section_list (const char *name, bool add, unsigned int context)
{
struct section_list *p, *match = NULL;
{
if (fnmatch (p->pattern + 1, name, 0) == 0)
{
- p->used = TRUE;
+ p->used = true;
return NULL;
}
}
if (! add)
{
if (match != NULL)
- match->used = TRUE;
+ match->used = true;
return match;
}
p = (struct section_list *) xmalloc (sizeof (struct section_list));
p->pattern = name;
- p->used = FALSE;
+ p->used = false;
p->context = context;
p->vma_val = 0;
p->lma_val = 0;
p->flags = 0;
+ p->alignment = 0;
p->next = change_sections;
change_sections = p;
xcalloc, free);
}
-/* There is htab_hash_string but no htab_eq_string. Makes sense. */
-
-static int
-eq_string (const void *s1, const void *s2)
-{
- return strcmp ((const char *) s1, (const char *) s2) == 0;
-}
-
static htab_t
create_symbol_htab (void)
{
- return htab_create_alloc (16, htab_hash_string, eq_string, NULL, xcalloc, free);
+ return htab_create_alloc (16, htab_hash_string, htab_eq_string, NULL,
+ xcalloc, free);
}
static void
char * eol;
char * name;
char * name_end;
- int finished = FALSE;
+ int finished = false;
for (eol = line;; eol ++)
{
/* Cope with \n\r. */
if (eol[1] == '\r')
++ eol;
- finished = TRUE;
+ finished = true;
break;
case '\r':
/* Cope with \r\n. */
if (eol[1] == '\n')
++ eol;
- finished = TRUE;
+ finished = true;
break;
case 0:
- finished = TRUE;
+ finished = true;
break;
case '#':
{
if (! fnmatch (slot_name, d->name, 0))
{
- d->found = TRUE;
+ d->found = true;
/* Continue traversal, there might be a non-match rule. */
return 1;
}
{
if (! fnmatch (slot_name + 1, d->name, 0))
{
- d->found = FALSE;
+ d->found = false;
/* Stop traversal. */
return 0;
}
return 1;
}
-static bfd_boolean
+static bool
is_specified_symbol (const char *name, htab_t htab)
{
if (wildcard)
struct is_specified_symbol_predicate_data data;
data.name = name;
- data.found = FALSE;
+ data.found = false;
htab_traverse (htab, is_specified_symbol_predicate, &data);
/* Return TRUE if the section is a DWO section. */
-static bfd_boolean
+static bool
is_dwo_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
{
- const char *name = bfd_get_section_name (abfd, sec);
- int len = strlen (name);
+ const char *name;
+ int len;
+
+ if (sec == NULL || (name = bfd_section_name (sec)) == NULL)
+ return false;
- return strncmp (name + len - 4, ".dwo", 4) == 0;
+ len = strlen (name);
+ if (len < 5)
+ return false;
+
+ return startswith (name + len - 4, ".dwo");
}
/* Return TRUE if section SEC is in the update list. */
-static bfd_boolean
+static bool
is_update_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
{
if (update_sections != NULL)
pupdate = pupdate->next)
{
if (strcmp (sec->name, pupdate->name) == 0)
- return TRUE;
+ return true;
}
}
- return FALSE;
+ return false;
}
-static bfd_boolean
-is_merged_note_section (bfd * abfd, asection * sec)
+static bool
+is_mergeable_note_section (bfd * abfd, asection * sec)
{
if (merge_notes
&& bfd_get_flavour (abfd) == bfd_target_elf_flavour
&& elf_section_data (sec)->this_hdr.sh_type == SHT_NOTE
/* FIXME: We currently only support merging GNU_BUILD_NOTEs.
We should add support for more note types. */
- && ((elf_section_data (sec)->this_hdr.sh_flags & SHF_GNU_BUILD_NOTE) != 0
- /* Old versions of GAS (prior to 2.27) could not set the section
- flags to OS-specific values, so we also accept sections with the
- expected name. */
- || (strcmp (sec->name, GNU_BUILD_ATTRS_SECTION_NAME) == 0)))
- return TRUE;
-
- return FALSE;
+ && (startswith (sec->name, GNU_BUILD_ATTRS_SECTION_NAME)))
+ return true;
+
+ return false;
}
/* See if a non-group section is being removed. */
-static bfd_boolean
+static bool
is_strip_section_1 (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
{
+ if (find_section_list (bfd_section_name (sec), false, SECTION_CONTEXT_KEEP)
+ != NULL)
+ return false;
+
if (sections_removed || sections_copied)
{
struct section_list *p;
struct section_list *q;
- p = find_section_list (bfd_get_section_name (abfd, sec), FALSE,
+ p = find_section_list (bfd_section_name (sec), false,
SECTION_CONTEXT_REMOVE);
- q = find_section_list (bfd_get_section_name (abfd, sec), FALSE,
+ q = find_section_list (bfd_section_name (sec), false,
SECTION_CONTEXT_COPY);
if (p && q)
fatal (_("error: section %s matches both remove and copy options"),
- bfd_get_section_name (abfd, sec));
+ bfd_section_name (sec));
if (p && is_update_section (abfd, sec))
fatal (_("error: section %s matches both update and remove options"),
- bfd_get_section_name (abfd, sec));
+ bfd_section_name (sec));
if (p != NULL)
- return TRUE;
+ return true;
if (sections_copied && q == NULL)
- return TRUE;
+ return true;
}
- if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0)
+ if ((bfd_section_flags (sec) & SEC_DEBUGGING) != 0)
{
if (strip_symbols == STRIP_DEBUG
|| strip_symbols == STRIP_UNNEEDED
/* By default we don't want to strip .reloc section.
This section has for pe-coff special meaning. See
pe-dll.c file in ld, and peXXigen.c in bfd for details. */
- if (strcmp (bfd_get_section_name (abfd, sec), ".reloc") != 0)
- return TRUE;
+ if (strcmp (bfd_section_name (sec), ".reloc") != 0)
+ return true;
}
if (strip_symbols == STRIP_DWO)
return is_dwo_section (abfd, sec);
if (strip_symbols == STRIP_NONDEBUG)
- return FALSE;
+ return false;
}
if (strip_symbols == STRIP_NONDWO)
return !is_dwo_section (abfd, sec);
- return FALSE;
+ return false;
}
/* See if a section is being removed. */
-static bfd_boolean
+static bool
is_strip_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
{
if (is_strip_section_1 (abfd, sec))
- return TRUE;
+ return true;
- if ((bfd_get_section_flags (abfd, sec) & SEC_GROUP) != 0)
+ if ((bfd_section_flags (sec) & SEC_GROUP) != 0)
{
asymbol *gsym;
const char *gname;
gsym = group_signature (sec);
/* Strip groups without a valid signature. */
if (gsym == NULL)
- return TRUE;
+ return true;
/* PR binutils/3181
If we are going to strip the group signature symbol, then
if ((strip_symbols == STRIP_ALL
&& !is_specified_symbol (gname, keep_specific_htab))
|| is_specified_symbol (gname, strip_specific_htab))
- return TRUE;
+ return true;
/* Remove the group section if all members are removed. */
first = elt = elf_next_in_group (sec);
while (elt != NULL)
{
if (!is_strip_section_1 (abfd, elt))
- return FALSE;
+ return false;
elt = elf_next_in_group (elt);
if (elt == first)
break;
}
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
-static bfd_boolean
+static bool
is_nondebug_keep_contents_section (bfd *ibfd, asection *isection)
{
/* Always keep ELF note sections. */
- if (ibfd->xvec->flavour == bfd_target_elf_flavour)
- return (elf_section_type (isection) == SHT_NOTE);
+ if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour)
+ return elf_section_type (isection) == SHT_NOTE;
/* Always keep the .buildid section for PE/COFF.
Strictly, this should be written "always keep the section storing the debug
directory", but that may be the .text section for objects produced by some
tools, which it is not sensible to keep. */
- if (ibfd->xvec->flavour == bfd_target_coff_flavour)
- return (strcmp (bfd_get_section_name (ibfd, isection), ".buildid") == 0);
+ if (bfd_get_flavour (ibfd) == bfd_target_coff_flavour)
+ return strcmp (bfd_section_name (isection), ".buildid") == 0;
- return FALSE;
+ return false;
}
/* Return true if SYM is a hidden symbol. */
-static bfd_boolean
+static bool
is_hidden_symbol (asymbol *sym)
{
elf_symbol_type *elf_sym;
- elf_sym = elf_symbol_from (sym->the_bfd, sym);
+ elf_sym = elf_symbol_from (sym);
if (elf_sym != NULL)
switch (ELF_ST_VISIBILITY (elf_sym->internal_elf_sym.st_other))
{
case STV_HIDDEN:
case STV_INTERNAL:
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
-static bfd_boolean
+/* Empty name is hopefully never a valid symbol name. */
+static const char * empty_name = "";
+
+static bool
need_sym_before (struct addsym_node **node, const char *sym)
{
int count;
{
if (!ptr->othersym)
break;
+ if (ptr->othersym == empty_name)
+ continue;
else if (strcmp (ptr->othersym, sym) == 0)
{
- free (ptr->othersym);
- ptr->othersym = ""; /* Empty name is hopefully never a valid symbol name. */
+ free ((char *) ptr->othersym);
+ ptr->othersym = empty_name;
*node = ptr;
- return TRUE;
+ return true;
}
ptr = ptr->next;
}
- return FALSE;
+ return false;
}
static asymbol *
{
asymbol *sym = bfd_make_empty_symbol (obfd);
- bfd_asymbol_name (sym) = ptr->symdef;
+ bfd_set_asymbol_name (sym, ptr->symdef);
sym->value = ptr->symval;
sym->flags = ptr->flags;
if (ptr->section)
asymbol *sym = from[src_count];
flagword flags = sym->flags;
char *name = (char *) bfd_asymbol_name (sym);
- bfd_boolean keep;
- bfd_boolean used_in_reloc = FALSE;
- bfd_boolean undefined;
- bfd_boolean rem_leading_char;
- bfd_boolean add_leading_char;
+ bool keep;
+ bool used_in_reloc = false;
+ bool undefined;
+ bool rem_leading_char;
+ bool add_leading_char;
- undefined = bfd_is_und_section (bfd_get_section (sym));
+ undefined = bfd_is_und_section (bfd_asymbol_section (sym));
if (add_sym_list)
{
if (new_name == name
&& (flags & BSF_SECTION_SYM) != 0)
new_name = (char *) find_section_rename (name, NULL);
- bfd_asymbol_name (sym) = new_name;
+ bfd_set_asymbol_name (sym, new_name);
name = new_name;
}
/* Check if we will remove the current leading character. */
rem_leading_char =
- (name[0] == bfd_get_symbol_leading_char (abfd))
- && (change_leading_char
- || (remove_leading_char
- && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
- || undefined
- || bfd_is_com_section (bfd_get_section (sym)))));
+ (name[0] != '\0'
+ && name[0] == bfd_get_symbol_leading_char (abfd)
+ && (change_leading_char
+ || (remove_leading_char
+ && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
+ || undefined
+ || bfd_is_com_section (bfd_asymbol_section (sym))))));
/* Check if we will add a new leading character. */
add_leading_char =
if (rem_leading_char && add_leading_char && !prefix_symbols_string)
{
name[0] = bfd_get_symbol_leading_char (obfd);
- bfd_asymbol_name (sym) = name;
- rem_leading_char = FALSE;
- add_leading_char = FALSE;
+ bfd_set_asymbol_name (sym, name);
+ rem_leading_char = false;
+ add_leading_char = false;
}
/* Remove leading char. */
if (rem_leading_char)
- bfd_asymbol_name (sym) = ++name;
+ bfd_set_asymbol_name (sym, ++name);
/* Add new leading char and/or prefix. */
if (add_leading_char || prefix_symbols_string)
{
char *n, *ptr;
+ size_t len = strlen (name) + 1;
+
+ if (add_leading_char)
+ len++;
+ if (prefix_symbols_string)
+ len += strlen (prefix_symbols_string);
- ptr = n = (char *) xmalloc (1 + strlen (prefix_symbols_string)
- + strlen (name) + 1);
+ ptr = n = (char *) xmalloc (len);
if (add_leading_char)
*ptr++ = bfd_get_symbol_leading_char (obfd);
}
strcpy (ptr, name);
- bfd_asymbol_name (sym) = n;
+ bfd_set_asymbol_name (sym, n);
name = n;
}
if (strip_symbols == STRIP_ALL)
- keep = FALSE;
+ keep = false;
else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */
|| ((flags & BSF_SECTION_SYM) != 0
- && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags
+ && ((*bfd_asymbol_section (sym)->symbol_ptr_ptr)->flags
& BSF_KEEP) != 0))
{
- keep = TRUE;
- used_in_reloc = TRUE;
+ keep = true;
+ used_in_reloc = true;
}
else if (relocatable /* Relocatable file. */
&& ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
- || bfd_is_com_section (bfd_get_section (sym))))
- keep = TRUE;
+ || bfd_is_com_section (bfd_asymbol_section (sym))))
+ keep = true;
else if (bfd_decode_symclass (sym) == 'I')
/* Global symbols in $idata sections need to be retained
even if relocatable is FALSE. External users of the
library containing the $idata section may reference these
symbols. */
- keep = TRUE;
+ keep = true;
else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */
|| (flags & BSF_WEAK) != 0
|| undefined
- || bfd_is_com_section (bfd_get_section (sym)))
+ || bfd_is_com_section (bfd_asymbol_section (sym)))
keep = strip_symbols != STRIP_UNNEEDED;
else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
keep = (strip_symbols != STRIP_DEBUG
&& strip_symbols != STRIP_UNNEEDED
&& ! convert_debugging);
- else if (bfd_coff_get_comdat_section (abfd, bfd_get_section (sym)))
+ else if (bfd_coff_get_comdat_section (abfd, bfd_asymbol_section (sym)))
/* COMDAT sections store special information in local
symbols, so we cannot risk stripping any of them. */
- keep = TRUE;
+ keep = true;
else /* Local symbol. */
keep = (strip_symbols != STRIP_UNNEEDED
&& (discard_locals != LOCALS_ALL
status = 1;
}
else
- keep = FALSE;
+ keep = false;
}
if (keep
&& !(flags & BSF_KEEP)
&& is_specified_symbol (name, strip_unneeded_htab))
- keep = FALSE;
+ keep = false;
if (!keep
&& ((keep_file_symbols && (flags & BSF_FILE))
|| is_specified_symbol (name, keep_specific_htab)))
- keep = TRUE;
+ keep = true;
- if (keep && is_strip_section (abfd, bfd_get_section (sym)))
- keep = FALSE;
+ if (keep && is_strip_section (abfd, bfd_asymbol_section (sym)))
+ keep = false;
if (keep)
{
- if ((flags & BSF_GLOBAL) != 0
+ if (((flags & BSF_GLOBAL) != 0
+ || undefined)
&& (weaken || is_specified_symbol (name, weaken_specific_htab)))
{
sym->flags &= ~ BSF_GLOBAL;
{
if (ptr->othersym)
{
- if (strcmp (ptr->othersym, ""))
+ if (ptr->othersym != empty_name)
fatal (_("'before=%s' not found"), ptr->othersym);
}
else
/* Copy unknown object file IBFD onto OBFD.
Returns TRUE upon success, FALSE otherwise. */
-static bfd_boolean
+static bool
copy_unknown_object (bfd *ibfd, bfd *obfd)
{
char *cbuf;
if (bfd_stat_arch_elt (ibfd, &buf) != 0)
{
bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
- return FALSE;
+ return false;
}
size = buf.st_size;
{
non_fatal (_("stat returns negative size for `%s'"),
bfd_get_archive_filename (ibfd));
- return FALSE;
+ return false;
}
if (bfd_seek (ibfd, (file_ptr) 0, SEEK_SET) != 0)
{
bfd_nonfatal (bfd_get_archive_filename (ibfd));
- return FALSE;
+ return false;
}
if (verbose)
{
bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
free (cbuf);
- return FALSE;
+ return false;
}
if (bfd_bwrite (cbuf, (bfd_size_type) tocopy, obfd)
{
bfd_nonfatal_message (NULL, obfd, NULL, NULL);
free (cbuf);
- return FALSE;
+ return false;
}
ncopied += tocopy;
unknown object in an archive. */
chmod (bfd_get_filename (obfd), buf.st_mode | S_IRUSR);
free (cbuf);
- return TRUE;
-}
-
-/* Returns the number of bytes needed to store VAL. */
-
-static inline unsigned int
-num_bytes (unsigned long val)
-{
- unsigned int count = 0;
-
- /* FIXME: There must be a faster way to do this. */
- while (val)
- {
- count ++;
- val >>= 8;
- }
- return count;
+ return true;
}
typedef struct objcopy_internal_note
{
Elf_Internal_Note note;
+ unsigned long padded_namesz;
bfd_vma start;
bfd_vma end;
- bfd_boolean modified;
} objcopy_internal_note;
-
-/* Returns TRUE if a gap does, or could, exist between the address range
- covered by PNOTE1 and PNOTE2. */
-static bfd_boolean
-gap_exists (objcopy_internal_note * pnote1,
- objcopy_internal_note * pnote2)
+#define DEBUG_MERGE 0
+
+#if DEBUG_MERGE
+#define merge_debug(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
+#else
+#define merge_debug(format, ...)
+#endif
+
+/* Returns TRUE iff PNOTE1 overlaps or adjoins PNOTE2. */
+
+static bool
+overlaps_or_adjoins (objcopy_internal_note * pnote1,
+ objcopy_internal_note * pnote2)
{
- /* Without range end notes, we assume that a gap might exist. */
- if (pnote1->end == 0 || pnote2->end == 0)
- return TRUE;
+ if (pnote1->end < pnote2->start)
+ /* FIXME: Alignment of 16 bytes taken from x86_64 binaries.
+ Really we should extract the alignment of the section
+ covered by the notes. */
+ return BFD_ALIGN (pnote1->end, 16) < pnote2->start;
+
+ if (pnote2->end < pnote2->start)
+ return BFD_ALIGN (pnote2->end, 16) < pnote1->start;
+
+ if (pnote1->end < pnote2->end)
+ return true;
+
+ if (pnote2->end < pnote1->end)
+ return true;
+
+ return false;
+}
+
+/* Returns TRUE iff NEEDLE is fully contained by HAYSTACK. */
- /* FIXME: Alignment of 16 bytes taken from x86_64 binaries.
- Really we should extract the alignment of the section covered by the notes. */
- return BFD_ALIGN (pnote1->end, 16) < pnote2->start;
+static bool
+contained_by (objcopy_internal_note * needle,
+ objcopy_internal_note * haystack)
+{
+ return needle->start >= haystack->start && needle->end <= haystack->end;
}
-static bfd_boolean
+static bool
is_open_note (objcopy_internal_note * pnote)
{
- return (pnote->note.type == NT_GNU_BUILD_ATTRIBUTE_OPEN);
+ return pnote->note.type == NT_GNU_BUILD_ATTRIBUTE_OPEN;
}
-static bfd_boolean
+static bool
is_func_note (objcopy_internal_note * pnote)
{
- return (pnote->note.type == NT_GNU_BUILD_ATTRIBUTE_FUNC);
+ return pnote->note.type == NT_GNU_BUILD_ATTRIBUTE_FUNC;
+}
+
+static bool
+is_deleted_note (objcopy_internal_note * pnote)
+{
+ return pnote->note.type == 0;
}
-static bfd_boolean
+static bool
+is_version_note (objcopy_internal_note * pnote)
+{
+ return (pnote->note.namesz > 4
+ && pnote->note.namedata[0] == 'G'
+ && pnote->note.namedata[1] == 'A'
+ && pnote->note.namedata[2] == '$'
+ && pnote->note.namedata[3] == GNU_BUILD_ATTRIBUTE_VERSION);
+}
+
+static bool
is_64bit (bfd * abfd)
{
/* Should never happen, but let's be paranoid. */
if (bfd_get_flavour (abfd) != bfd_target_elf_flavour)
- return FALSE;
+ return false;
return elf_elfheader (abfd)->e_ident[EI_CLASS] == ELFCLASS64;
}
+/* This sorting function is used to get the notes into an order
+ that makes merging easy. */
+
+static int
+compare_gnu_build_notes (const void * data1, const void * data2)
+{
+ objcopy_internal_note * pnote1 = (objcopy_internal_note *) data1;
+ objcopy_internal_note * pnote2 = (objcopy_internal_note *) data2;
+
+ /* Sort notes based upon the attribute they record. */
+ int cmp = memcmp (pnote1->note.namedata + 3,
+ pnote2->note.namedata + 3,
+ pnote1->note.namesz < pnote2->note.namesz ?
+ pnote1->note.namesz - 3 : pnote2->note.namesz - 3);
+ if (cmp)
+ return cmp;
+
+ if (pnote1->end < pnote2->start)
+ return -1;
+ if (pnote1->start > pnote2->end)
+ return 1;
+
+ /* Overlaps - we should merge the two ranges. */
+ if (pnote1->start < pnote2->start)
+ return -1;
+ if (pnote1->end > pnote2->end)
+ return 1;
+ if (pnote1->end < pnote2->end)
+ return -1;
+
+ /* Put OPEN notes before function notes. */
+ if (is_open_note (pnote1) && ! is_open_note (pnote2))
+ return -1;
+ if (! is_open_note (pnote1) && is_open_note (pnote2))
+ return 1;
+
+ return 0;
+}
+
+/* This sorting function is used to get the notes into an order
+ that makes eliminating address ranges easier. */
+
+static int
+sort_gnu_build_notes (const void * data1, const void * data2)
+{
+ objcopy_internal_note * pnote1 = (objcopy_internal_note *) data1;
+ objcopy_internal_note * pnote2 = (objcopy_internal_note *) data2;
+
+ if (pnote1->note.type != pnote2->note.type)
+ {
+ /* Move deleted notes to the end. */
+ if (is_deleted_note (pnote1)) /* 1: OFD 2: OFD */
+ return 1;
+
+ /* Move OPEN notes to the start. */
+ if (is_open_note (pnote1)) /* 1: OF 2: OFD */
+ return -1;
+
+ if (is_deleted_note (pnote2)) /* 1: F 2: O D */
+ return -1;
+
+ return 1; /* 1: F 2: O */
+ }
+
+ /* Sort by starting address. */
+ if (pnote1->start < pnote2->start)
+ return -1;
+ if (pnote1->start > pnote2->start)
+ return 1;
+
+ /* Then by end address (bigger range first). */
+ if (pnote1->end > pnote2->end)
+ return -1;
+ if (pnote1->end < pnote2->end)
+ return 1;
+
+ /* Then by attribute type. */
+ if (pnote1->note.namesz > 4
+ && pnote2->note.namesz > 4
+ && pnote1->note.namedata[3] != pnote2->note.namedata[3])
+ return pnote1->note.namedata[3] - pnote2->note.namedata[3];
+
+ return 0;
+}
+
/* Merge the notes on SEC, removing redundant entries.
Returns the new, smaller size of the section upon success. */
static bfd_size_type
-merge_gnu_build_notes (bfd * abfd, asection * sec, bfd_size_type size, bfd_byte * contents)
+merge_gnu_build_notes (bfd * abfd,
+ asection * sec,
+ bfd_size_type size,
+ bfd_byte * contents)
{
objcopy_internal_note * pnotes_end;
objcopy_internal_note * pnotes = NULL;
unsigned version_1_seen = 0;
unsigned version_2_seen = 0;
unsigned version_3_seen = 0;
- bfd_boolean duplicate_found = FALSE;
const char * err = NULL;
bfd_byte * in = contents;
- int attribute_type_byte;
- int val_start;
unsigned long previous_func_start = 0;
unsigned long previous_open_start = 0;
unsigned long previous_func_end = 0;
unsigned long previous_open_end = 0;
long relsize;
-
relsize = bfd_get_reloc_upper_bound (abfd, sec);
if (relsize > 0)
{
relcount = bfd_canonicalize_reloc (abfd, sec, relpp, isympp);
free (relpp);
if (relcount != 0)
- goto done;
+ {
+ if (! is_strip)
+ non_fatal (_("%s[%s]: Cannot merge - there are relocations against this section"),
+ bfd_get_filename (abfd), bfd_section_name (sec));
+ goto done;
+ }
}
-
+
/* Make a copy of the notes and convert to our internal format.
- Minimum size of a note is 12 bytes. */
- pnote = pnotes = (objcopy_internal_note *) xcalloc ((size / 12), sizeof (* pnote));
+ Minimum size of a note is 12 bytes. Also locate the version
+ notes and check them. */
+ pnote = pnotes = (objcopy_internal_note *)
+ xcalloc ((size / 12), sizeof (* pnote));
while (remain >= 12)
{
bfd_vma start, end;
- pnote->note.namesz = (bfd_get_32 (abfd, in ) + 3) & ~3;
- pnote->note.descsz = (bfd_get_32 (abfd, in + 4) + 3) & ~3;
- pnote->note.type = bfd_get_32 (abfd, in + 8);
+ pnote->note.namesz = bfd_get_32 (abfd, in);
+ pnote->note.descsz = bfd_get_32 (abfd, in + 4);
+ pnote->note.type = bfd_get_32 (abfd, in + 8);
+ pnote->padded_namesz = (pnote->note.namesz + 3) & ~3;
+
+ if (((pnote->note.descsz + 3) & ~3) != pnote->note.descsz)
+ {
+ err = _("corrupt GNU build attribute note: description size not a factor of 4");
+ goto done;
+ }
if (pnote->note.type != NT_GNU_BUILD_ATTRIBUTE_OPEN
&& pnote->note.type != NT_GNU_BUILD_ATTRIBUTE_FUNC)
goto done;
}
- if (pnote->note.namesz + pnote->note.descsz + 12 > remain)
+ if (pnote->padded_namesz + pnote->note.descsz + 12 > remain)
{
err = _("corrupt GNU build attribute note: note too big");
goto done;
}
pnote->note.namedata = (char *)(in + 12);
- pnote->note.descdata = (char *)(in + 12 + pnote->note.namesz);
+ pnote->note.descdata = (char *)(in + 12 + pnote->padded_namesz);
- remain -= 12 + pnote->note.namesz + pnote->note.descsz;
- in += 12 + pnote->note.namesz + pnote->note.descsz;
+ remain -= 12 + pnote->padded_namesz + pnote->note.descsz;
+ in += 12 + pnote->padded_namesz + pnote->note.descsz;
if (pnote->note.namesz > 2
&& pnote->note.namedata[0] == '$'
&& pnote->note.namedata[1] == GNU_BUILD_ATTRIBUTE_VERSION
&& pnote->note.namedata[2] == '1')
++ version_1_seen;
- else if (pnote->note.namesz > 4
- && pnote->note.namedata[0] == 'G'
- && pnote->note.namedata[1] == 'A'
- && pnote->note.namedata[2] == '$'
- && pnote->note.namedata[3] == GNU_BUILD_ATTRIBUTE_VERSION)
+ else if (is_version_note (pnote))
{
if (pnote->note.namedata[4] == '2')
++ version_2_seen;
address. */
end = (bfd_vma) -1;
break;
-
+
case 8:
- if (! is_64bit (abfd))
- {
- start = bfd_get_32 (abfd, pnote->note.descdata);
- end = bfd_get_32 (abfd, pnote->note.descdata + 4);
- }
- else
- {
- start = bfd_get_64 (abfd, pnote->note.descdata);
- /* FIXME: For version 1 and 2 notes we should try to
- calculate the end address by finding a symbol whose
- value is START, and then adding in its size.
-
- For now though, since v1 and v2 was not intended to
- handle gaps, we chose an artificially large end
- address. */
- end = (bfd_vma) -1;
- }
+ start = bfd_get_32 (abfd, pnote->note.descdata);
+ end = bfd_get_32 (abfd, pnote->note.descdata + 4);
break;
case 16:
start = bfd_get_64 (abfd, pnote->note.descdata);
end = bfd_get_64 (abfd, pnote->note.descdata + 8);
break;
-
+
default:
err = _("corrupt GNU build attribute note: bad description size");
goto done;
}
+ if (start > end)
+ /* This can happen with PPC64LE binaries where empty notes are
+ encoded as start = end + 4. */
+ start = end;
+
if (is_open_note (pnote))
{
if (start)
if (version_1_seen == 0 && version_2_seen == 0 && version_3_seen == 0)
{
+#if 0
err = _("bad GNU build attribute notes: no known versions detected");
goto done;
+#else
+ /* This happens with glibc. No idea why. */
+ non_fatal (_("%s[%s]: Warning: version note missing - assuming version 3"),
+ bfd_get_filename (abfd), bfd_section_name (sec));
+ version_3_seen = 2;
+#endif
}
- if ((version_1_seen > 0 && version_2_seen > 0)
+ if ( (version_1_seen > 0 && version_2_seen > 0)
|| (version_1_seen > 0 && version_3_seen > 0)
|| (version_2_seen > 0 && version_3_seen > 0))
{
goto done;
}
- /* Merging is only needed if there is more than one version note... */
- if (version_1_seen == 1 || version_2_seen == 1 || version_3_seen == 1)
- goto done;
-
- attribute_type_byte = version_1_seen ? 1 : 3;
- val_start = attribute_type_byte + 1;
-
- /* The first note should be the first version note. */
- if (pnotes[0].note.namedata[attribute_type_byte] != GNU_BUILD_ATTRIBUTE_VERSION)
+ /* We are now only supporting the merging v3+ notes
+ - it makes things much simpler. */
+ if (version_3_seen == 0)
{
- err = _("bad GNU build attribute notes: first note not version note");
+ merge_debug ("%s: skipping merge - not using v3 notes", bfd_section_name (sec));
goto done;
}
+ merge_debug ("Merging section %s which contains %ld notes\n",
+ sec->name, pnotes_end - pnotes);
+
+ /* Sort the notes. */
+ qsort (pnotes, pnotes_end - pnotes, sizeof (* pnotes),
+ compare_gnu_build_notes);
+
+#if DEBUG_MERGE
+ merge_debug ("Results of initial sort:\n");
+ for (pnote = pnotes; pnote < pnotes_end; pnote ++)
+ merge_debug ("offset %#08lx range %#08lx..%#08lx type %ld attribute %d namesz %ld\n",
+ (pnote->note.namedata - (char *) contents) - 12,
+ pnote->start, pnote->end,
+ pnote->note.type,
+ pnote->note.namedata[3],
+ pnote->note.namesz
+ );
+#endif
+
/* Now merge the notes. The rules are:
- 1. Preserve the ordering of the notes.
- 2. Preserve any NT_GNU_BUILD_ATTRIBUTE_FUNC notes.
- 3. Eliminate any NT_GNU_BUILD_ATTRIBUTE_OPEN notes that have the same
- full name field as the immediately preceeding note with the same type
- of name and whose address ranges coincide.
- IE - if there are gaps in the coverage of the notes, then these gaps
- must be preserved.
- 4. Combine the numeric value of any NT_GNU_BUILD_ATTRIBUTE_OPEN notes
- of type GNU_BUILD_ATTRIBUTE_STACK_SIZE.
- 5. If an NT_GNU_BUILD_ATTRIBUTE_OPEN note is going to be preserved and
- its description field is empty then the nearest preceeding OPEN note
- with a non-empty description field must also be preserved *OR* the
- description field of the note must be changed to contain the starting
- address to which it refers.
- 6. Notes with the same start and end address can be deleted. */
- for (pnote = pnotes + 1; pnote < pnotes_end; pnote ++)
+ 1. If a note has a zero range, it can be eliminated.
+ 2. If two notes have the same namedata then:
+ 2a. If one note's range is fully covered by the other note
+ then it can be deleted.
+ 2b. If one note's range partially overlaps or adjoins the
+ other note then if they are both of the same type (open
+ or func) then they can be merged and one deleted. If
+ they are of different types then they cannot be merged. */
+ for (pnote = pnotes; pnote < pnotes_end; pnote ++)
{
- int note_type;
- objcopy_internal_note * back;
- objcopy_internal_note * prev_open_with_range = NULL;
+ /* Skip already deleted notes.
+ FIXME: Can this happen ? We are scanning forwards and
+ deleting backwards after all. */
+ if (is_deleted_note (pnote))
+ continue;
- /* Rule 6 - delete 0-range notes. */
+ /* Rule 1 - delete 0-range notes. */
if (pnote->start == pnote->end)
{
- duplicate_found = TRUE;
+ merge_debug ("Delete note at offset %#08lx - empty range\n",
+ (pnote->note.namedata - (char *) contents) - 12);
pnote->note.type = 0;
continue;
}
- /* Rule 2 - preserve function notes. */
- if (! is_open_note (pnote))
- {
- int iter;
-
- /* Check to see if there is an identical previous function note.
- This can happen with overlays for example. */
- for (iter = 0, back = pnote -1; back >= pnotes; back --)
- {
- if (back->start == pnote->start
- && back->end == pnote->end
- && back->note.namesz == pnote->note.namesz
- && memcmp (back->note.namedata, pnote->note.namedata, pnote->note.namesz) == 0)
- {
- fprintf (stderr, "DUP FUNXC\n");
- duplicate_found = TRUE;
- pnote->note.type = 0;
- break;
- }
-
- /* Don't scan too far back however. */
- if (iter ++ > 16)
- break;
- }
- continue;
- }
-
- note_type = pnote->note.namedata[attribute_type_byte];
+ int iter;
+ objcopy_internal_note * back;
- /* Scan backwards from pnote, looking for duplicates.
- Clear the type field of any found - but do not delete them just yet. */
- for (back = pnote - 1; back >= pnotes; back --)
+ /* Rule 2: Check to see if there is an identical previous note. */
+ for (iter = 0, back = pnote - 1; back >= pnotes; back --)
{
- int back_type = back->note.namedata[attribute_type_byte];
-
- /* If this is the first open note with an address
- range that we have encountered then record it. */
- if (prev_open_with_range == NULL
- && back->note.descsz > 0
- && ! is_func_note (back))
- prev_open_with_range = back;
-
- if (! is_open_note (back))
+ if (is_deleted_note (back))
continue;
- /* If the two notes are different then keep on searching. */
- if (back_type != note_type)
- continue;
+ /* Our sorting function should have placed all identically
+ attributed notes together, so if we see a note of a different
+ attribute type stop searching. */
+ if (back->note.namesz != pnote->note.namesz
+ || memcmp (back->note.namedata,
+ pnote->note.namedata, pnote->note.namesz) != 0)
+ break;
- /* Rule 4 - combine stack size notes. */
- if (back_type == GNU_BUILD_ATTRIBUTE_STACK_SIZE)
+ if (back->start == pnote->start
+ && back->end == pnote->end)
{
- unsigned char * name;
- unsigned long note_val;
- unsigned long back_val;
- unsigned int shift;
- unsigned int bytes;
- unsigned long byte;
-
- for (shift = 0, note_val = 0,
- bytes = pnote->note.namesz - val_start,
- name = (unsigned char *) pnote->note.namedata + val_start;
- bytes--;)
- {
- byte = (* name ++) & 0xff;
- note_val |= byte << shift;
- shift += 8;
- }
-
- for (shift = 0, back_val = 0,
- bytes = back->note.namesz - val_start,
- name = (unsigned char *) back->note.namedata + val_start;
- bytes--;)
- {
- byte = (* name ++) & 0xff;
- back_val |= byte << shift;
- shift += 8;
- }
-
- back_val += note_val;
- if (num_bytes (back_val) >= back->note.namesz - val_start)
- {
- /* We have a problem - the new value requires more bytes of
- storage in the name field than are available. Currently
- we have no way of fixing this, so we just preserve both
- notes. */
- continue;
- }
-
- /* Write the new val into back. */
- name = (unsigned char *) back->note.namedata + val_start;
- while (name < (unsigned char *) back->note.namedata
- + back->note.namesz)
- {
- byte = back_val & 0xff;
- * name ++ = byte;
- if (back_val == 0)
- break;
- back_val >>= 8;
- }
-
- duplicate_found = TRUE;
+ merge_debug ("Delete note at offset %#08lx - duplicate of note at offset %#08lx\n",
+ (pnote->note.namedata - (char *) contents) - 12,
+ (back->note.namedata - (char *) contents) - 12);
pnote->note.type = 0;
break;
}
- /* Rule 3 - combine identical open notes. */
- if (back->note.namesz == pnote->note.namesz
- && memcmp (back->note.namedata,
- pnote->note.namedata, back->note.namesz) == 0
- && ! gap_exists (back, pnote))
+ /* Rule 2a. */
+ if (contained_by (pnote, back))
{
- duplicate_found = TRUE;
+ merge_debug ("Delete note at offset %#08lx - fully contained by note at %#08lx\n",
+ (pnote->note.namedata - (char *) contents) - 12,
+ (back->note.namedata - (char *) contents) - 12);
pnote->note.type = 0;
-
- if (pnote->end > back->end)
- back->end = pnote->end;
-
- if (version_3_seen)
- back->modified = TRUE;
break;
}
- /* Rule 5 - Since we are keeping this note we must check to see
- if its description refers back to an earlier OPEN version
- note that has been scheduled for deletion. If so then we
- must make sure that version note is also preserved. */
- if (version_3_seen)
+#if DEBUG_MERGE
+ /* This should not happen as we have sorted the
+ notes with earlier starting addresses first. */
+ if (contained_by (back, pnote))
+ merge_debug ("ERROR: UNEXPECTED CONTAINMENT\n");
+#endif
+
+ /* Rule 2b. */
+ if (overlaps_or_adjoins (back, pnote)
+ && is_func_note (back) == is_func_note (pnote))
{
- /* As of version 3 we can just
- move the range into the note. */
- pnote->modified = TRUE;
- pnote->note.type = NT_GNU_BUILD_ATTRIBUTE_FUNC;
- back->modified = TRUE;
- back->note.type = NT_GNU_BUILD_ATTRIBUTE_FUNC;
+ merge_debug ("Delete note at offset %#08lx - merge into note at %#08lx\n",
+ (pnote->note.namedata - (char *) contents) - 12,
+ (back->note.namedata - (char *) contents) - 12);
+
+ back->end = back->end > pnote->end ? back->end : pnote->end;
+ back->start = back->start < pnote->start ? back->start : pnote->start;
+ pnote->note.type = 0;
+ break;
}
- else
+
+ /* Don't scan too far back however. */
+ if (iter ++ > 16)
{
- if (pnote->note.descsz == 0
- && prev_open_with_range != NULL
- && prev_open_with_range->note.type == 0)
- prev_open_with_range->note.type = NT_GNU_BUILD_ATTRIBUTE_OPEN;
+ /* FIXME: Not sure if this can ever be triggered. */
+ merge_debug ("ITERATION LIMIT REACHED\n");
+ break;
}
-
- /* We have found a similar attribute but the details do not match.
- Stop searching backwards. */
- break;
}
+#if DEBUG_MERGE
+ if (! is_deleted_note (pnote))
+ merge_debug ("Unable to do anything with note at %#08lx\n",
+ (pnote->note.namedata - (char *) contents) - 12);
+#endif
}
- if (duplicate_found)
+ /* Resort the notes. */
+ merge_debug ("Final sorting of notes\n");
+ qsort (pnotes, pnotes_end - pnotes, sizeof (* pnotes), sort_gnu_build_notes);
+
+ /* Reconstruct the ELF notes. */
+ bfd_byte * new_contents;
+ bfd_byte * old;
+ bfd_byte * new;
+ bfd_size_type new_size;
+ bfd_vma prev_start = 0;
+ bfd_vma prev_end = 0;
+
+ /* Not sure how, but the notes might grow in size.
+ (eg see PR 1774507). Allow for this here. */
+ new = new_contents = xmalloc (size * 2);
+ for (pnote = pnotes, old = contents;
+ pnote < pnotes_end;
+ pnote ++)
{
- bfd_byte * new_contents;
- bfd_byte * old;
- bfd_byte * new;
- bfd_size_type new_size;
- bfd_vma prev_start = 0;
- bfd_vma prev_end = 0;
-
- /* Eliminate the duplicates. */
- new = new_contents = xmalloc (size);
- for (pnote = pnotes, old = contents;
- pnote < pnotes_end;
- pnote ++)
- {
- bfd_size_type note_size = 12 + pnote->note.namesz + pnote->note.descsz;
+ bfd_size_type note_size = 12 + pnote->padded_namesz + pnote->note.descsz;
- if (pnote->note.type != 0)
+ if (! is_deleted_note (pnote))
+ {
+ /* Create the note, potentially using the
+ address range of the previous note. */
+ if (pnote->start == prev_start && pnote->end == prev_end)
{
- if (pnote->modified)
+ bfd_put_32 (abfd, pnote->note.namesz, new);
+ bfd_put_32 (abfd, 0, new + 4);
+ bfd_put_32 (abfd, pnote->note.type, new + 8);
+ new += 12;
+ memcpy (new, pnote->note.namedata, pnote->note.namesz);
+ if (pnote->note.namesz < pnote->padded_namesz)
+ memset (new + pnote->note.namesz, 0, pnote->padded_namesz - pnote->note.namesz);
+ new += pnote->padded_namesz;
+ }
+ else
+ {
+ bfd_put_32 (abfd, pnote->note.namesz, new);
+ bfd_put_32 (abfd, is_64bit (abfd) ? 16 : 8, new + 4);
+ bfd_put_32 (abfd, pnote->note.type, new + 8);
+ new += 12;
+ memcpy (new, pnote->note.namedata, pnote->note.namesz);
+ if (pnote->note.namesz < pnote->padded_namesz)
+ memset (new + pnote->note.namesz, 0, pnote->padded_namesz - pnote->note.namesz);
+ new += pnote->padded_namesz;
+ if (is_64bit (abfd))
{
- /* If the note has been modified then we must copy it by
- hand, potentially adding in a new description field. */
- if (pnote->start == prev_start && pnote->end == prev_end)
- {
- bfd_put_32 (abfd, pnote->note.namesz, new);
- bfd_put_32 (abfd, 0, new + 4);
- bfd_put_32 (abfd, pnote->note.type, new + 8);
- new += 12;
- memcpy (new, pnote->note.namedata, pnote->note.namesz);
- new += pnote->note.namesz;
- }
- else
- {
- bfd_put_32 (abfd, pnote->note.namesz, new);
- bfd_put_32 (abfd, is_64bit (abfd) ? 16 : 8, new + 4);
- bfd_put_32 (abfd, pnote->note.type, new + 8);
- new += 12;
- memcpy (new, pnote->note.namedata, pnote->note.namesz);
- new += pnote->note.namesz;
- if (is_64bit (abfd))
- {
- bfd_put_64 (abfd, pnote->start, new);
- bfd_put_64 (abfd, pnote->end, new + 8);
- new += 16;
- }
- else
- {
- bfd_put_32 (abfd, pnote->start, new);
- bfd_put_32 (abfd, pnote->end, new + 4);
- new += 8;
- }
- }
+ bfd_put_64 (abfd, pnote->start, new);
+ bfd_put_64 (abfd, pnote->end, new + 8);
+ new += 16;
}
else
{
- memcpy (new, old, note_size);
- new += note_size;
+ bfd_put_32 (abfd, pnote->start, new);
+ bfd_put_32 (abfd, pnote->end, new + 4);
+ new += 8;
}
+
prev_start = pnote->start;
prev_end = pnote->end;
}
-
- old += note_size;
}
- new_size = new - new_contents;
+ old += note_size;
+ }
+
+#if DEBUG_MERGE
+ merge_debug ("Results of merge:\n");
+ for (pnote = pnotes; pnote < pnotes_end; pnote ++)
+ if (! is_deleted_note (pnote))
+ merge_debug ("offset %#08lx range %#08lx..%#08lx type %ld attribute %d namesz %ld\n",
+ (pnote->note.namedata - (char *) contents) - 12,
+ pnote->start, pnote->end,
+ pnote->note.type,
+ pnote->note.namedata[3],
+ pnote->note.namesz
+ );
+#endif
+
+ new_size = new - new_contents;
+ if (new_size < size)
+ {
memcpy (contents, new_contents, new_size);
size = new_size;
- free (new_contents);
}
+ free (new_contents);
done:
if (err)
return size;
}
+static flagword
+check_new_section_flags (flagword flags, bfd * abfd, const char * secname)
+{
+ /* Only set the SEC_COFF_SHARED flag on COFF files.
+ The same bit value is used by ELF targets to indicate
+ compressed sections, and setting that flag here breaks
+ things. */
+ if ((flags & SEC_COFF_SHARED)
+ && bfd_get_flavour (abfd) != bfd_target_coff_flavour)
+ {
+ non_fatal (_("%s[%s]: Note - dropping 'share' flag as output format is not COFF"),
+ bfd_get_filename (abfd), secname);
+ flags &= ~ SEC_COFF_SHARED;
+ }
+ return flags;
+}
+
/* Copy object file IBFD onto OBFD.
Returns TRUE upon success, FALSE otherwise. */
-static bfd_boolean
+static bool
copy_object (bfd *ibfd, bfd *obfd, const bfd_arch_info_type *input_arch)
{
bfd_vma start;
void *dhandle;
enum bfd_architecture iarch;
unsigned int imach;
- unsigned int c, i;
+ unsigned int num_sec, i;
if (ibfd->xvec->byteorder != obfd->xvec->byteorder
&& ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
{
/* PR 17636: Call non-fatal so that we return to our parent who
may need to tidy temporary files. */
- non_fatal (_("Unable to change endianness of input file(s)"));
- return FALSE;
+ non_fatal (_("unable to change endianness of '%s'"),
+ bfd_get_archive_filename (ibfd));
+ return false;
+ }
+
+ if (ibfd->read_only)
+ {
+ non_fatal (_("unable to modify '%s' due to errors"),
+ bfd_get_archive_filename (ibfd));
+ return false;
}
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
{
bfd_nonfatal_message (NULL, obfd, NULL, NULL);
- return FALSE;
+ return false;
}
if (ibfd->sections == NULL)
{
non_fatal (_("error: the input file '%s' has no sections"),
bfd_get_archive_filename (ibfd));
- return FALSE;
+ return false;
}
- if (ibfd->xvec->flavour != bfd_target_elf_flavour)
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
{
if ((do_debug_sections & compress) != 0
&& do_debug_sections != compress)
{
non_fatal (_("--compress-debug-sections=[zlib|zlib-gnu|zlib-gabi] is unsupported on `%s'"),
bfd_get_archive_filename (ibfd));
- return FALSE;
+ return false;
}
if (do_elf_stt_common)
{
non_fatal (_("--elf-stt-common=[yes|no] is unsupported on `%s'"),
bfd_get_archive_filename (ibfd));
- return FALSE;
+ return false;
}
}
|| !bfd_set_file_flags (obfd, flags))
{
bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
- return FALSE;
+ return false;
}
}
imach = bfd_get_mach (ibfd);
if (input_arch)
{
- if (bfd_get_arch_info (ibfd) == NULL
- || bfd_get_arch_info (ibfd)->arch == bfd_arch_unknown)
+ if (iarch == bfd_arch_unknown)
{
iarch = input_arch->arch;
imach = input_arch->mach;
non_fatal (_("Input file `%s' ignores binary architecture parameter."),
bfd_get_archive_filename (ibfd));
}
+ if (iarch == bfd_arch_unknown
+ && bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ && bfd_get_flavour (obfd) == bfd_target_elf_flavour)
+ {
+ const struct elf_backend_data *bed = get_elf_backend_data (obfd);
+ iarch = bed->arch;
+ imach = 0;
+ }
if (!bfd_set_arch_mach (obfd, iarch, imach)
&& (ibfd->target_defaulted
|| bfd_get_arch (ibfd) != bfd_get_arch (obfd)))
non_fatal (_("Output file cannot represent architecture `%s'"),
bfd_printable_arch_mach (bfd_get_arch (ibfd),
bfd_get_mach (ibfd)));
- return FALSE;
+ return false;
}
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
{
bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
- return FALSE;
+ return false;
}
if (bfd_get_flavour (obfd) == bfd_target_coff_flavour
pe_data_type *pe = pe_data (obfd);
/* Copy PE parameters before changing them. */
- if (ibfd->xvec->flavour == bfd_target_coff_flavour
+ if (bfd_get_flavour (ibfd) == bfd_target_coff_flavour
&& bfd_pei_p (ibfd))
pe->pe_opthdr = pe_data (ibfd)->pe_opthdr;
file_alignment, section_alignment);
}
+
+ if (preserve_dates
+ && bfd_get_flavour (ibfd) == bfd_target_coff_flavour
+ && bfd_pei_p (ibfd))
+ pe->timestamp = pe_data (ibfd)->coff.timestamp;
}
- if (isympp)
- free (isympp);
+ free (isympp);
if (osympp != isympp)
free (osympp);
if (symsize < 0)
{
bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
- return FALSE;
+ return false;
}
osympp = isympp = (asymbol **) xmalloc (symsize);
if (symcount < 0)
{
bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
- return FALSE;
+ return false;
}
/* PR 17512: file: d6323821
If the symbol table could not be loaded do not pretend that we have
{
flagword flags;
- pset = find_section_list (padd->name, FALSE,
+ pset = find_section_list (padd->name, false,
SECTION_CONTEXT_SET_FLAGS);
if (pset != NULL)
- flags = pset->flags | SEC_HAS_CONTENTS;
+ {
+ flags = pset->flags | SEC_HAS_CONTENTS;
+ flags = check_new_section_flags (flags, obfd, padd->name);
+ }
else
flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA;
{
bfd_nonfatal_message (NULL, obfd, NULL,
_("can't add section '%s'"), padd->name);
- return FALSE;
+ return false;
}
else
{
bfd_nonfatal_message (NULL, obfd, NULL,
_("can't create section `%s'"),
padd->name);
- return FALSE;
+ return false;
}
}
- if (! bfd_set_section_size (obfd, padd->section, padd->size))
+ if (!bfd_set_section_size (padd->section, padd->size))
{
bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
- return FALSE;
+ return false;
}
- pset = find_section_list (padd->name, FALSE,
+ pset = find_section_list (padd->name, false,
SECTION_CONTEXT_SET_VMA | SECTION_CONTEXT_ALTER_VMA);
if (pset != NULL
- && ! bfd_set_section_vma (obfd, padd->section, pset->vma_val))
+ && !bfd_set_section_vma (padd->section, pset->vma_val))
{
bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
- return FALSE;
+ return false;
}
- pset = find_section_list (padd->name, FALSE,
+ pset = find_section_list (padd->name, false,
SECTION_CONTEXT_SET_LMA | SECTION_CONTEXT_ALTER_LMA);
if (pset != NULL)
{
padd->section->lma = pset->lma_val;
- if (! bfd_set_section_alignment
- (obfd, padd->section,
- bfd_section_alignment (obfd, padd->section)))
+ if (!bfd_set_section_alignment
+ (padd->section, bfd_section_alignment (padd->section)))
{
bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
- return FALSE;
+ return false;
}
}
}
if (pupdate->section == NULL)
{
non_fatal (_("error: %s not found, can't be updated"), pupdate->name);
- return FALSE;
+ return false;
}
osec = pupdate->section->output_section;
- if (! bfd_set_section_size (obfd, osec, pupdate->size))
+ if (!bfd_set_section_size (osec, pupdate->size))
{
bfd_nonfatal_message (NULL, obfd, osec, NULL);
- return FALSE;
+ return false;
}
}
}
+ merged_note_section * merged_note_sections = NULL;
if (merge_notes)
{
/* This palaver is necessary because we must set the output
section size first, before its contents are ready. */
- osec = bfd_get_section_by_name (ibfd, GNU_BUILD_ATTRS_SECTION_NAME);
- if (osec && is_merged_note_section (ibfd, osec))
+ for (osec = ibfd->sections; osec != NULL; osec = osec->next)
{
- bfd_size_type size;
-
- size = bfd_get_section_size (osec);
+ if (! is_mergeable_note_section (ibfd, osec))
+ continue;
+
+ /* If the section is going to be completly deleted then
+ do not bother to merge it. */
+ if (osec->output_section == NULL)
+ continue;
+
+ bfd_size_type size = bfd_section_size (osec);
+
if (size == 0)
{
- bfd_nonfatal_message (NULL, ibfd, osec, _("warning: note section is empty"));
- merge_notes = FALSE;
+ bfd_nonfatal_message (NULL, ibfd, osec,
+ _("warning: note section is empty"));
+ continue;
}
- else if (! bfd_get_full_section_contents (ibfd, osec, & merged_notes))
+
+ merged_note_section * merged = xmalloc (sizeof * merged);
+ merged->contents = NULL;
+ if (! bfd_get_full_section_contents (ibfd, osec, & merged->contents))
{
- bfd_nonfatal_message (NULL, ibfd, osec, _("warning: could not load note section"));
- free (merged_notes);
- merged_notes = NULL;
- merge_notes = FALSE;
+ bfd_nonfatal_message (NULL, ibfd, osec,
+ _("warning: could not load note section"));
+ free (merged);
+ continue;
}
- else
+
+ merged->size = merge_gnu_build_notes (ibfd, osec, size,
+ merged->contents);
+
+ /* FIXME: Once we have read the contents in, we must write
+ them out again. So even if the mergeing has achieved
+ nothing we still add this entry to the merge list. */
+
+ if (size != merged->size
+ && !bfd_set_section_size (osec->output_section, merged->size))
{
- merged_size = merge_gnu_build_notes (ibfd, osec, size, merged_notes);
- if (merged_size == size)
- {
- /* Merging achieves nothing. */
- free (merged_notes);
- merged_notes = NULL;
- merge_notes = FALSE;
- merged_size = 0;
- }
- else
- {
- if (osec->output_section == NULL
- || ! bfd_set_section_size (obfd, osec->output_section, merged_size))
- {
- bfd_nonfatal_message (NULL, obfd, osec, _("warning: failed to set merged notes size"));
- free (merged_notes);
- merged_notes = NULL;
- merge_notes = FALSE;
- merged_size = 0;
- }
- }
+ bfd_nonfatal_message (NULL, obfd, osec,
+ _("warning: failed to set merged notes size"));
+ free (merged->contents);
+ free (merged);
+ continue;
}
+
+ /* Add section to list of merged sections. */
+ merged->sec = osec;
+ merged->next = merged_note_sections;
+ merged_note_sections = merged;
}
}
for (pdump = dump_sections; pdump != NULL; pdump = pdump->next)
{
+ FILE * f;
+ bfd_byte *contents;
+
osec = bfd_get_section_by_name (ibfd, pdump->name);
if (osec == NULL)
{
continue;
}
- if ((bfd_get_section_flags (ibfd, osec) & SEC_HAS_CONTENTS) == 0)
+ if ((bfd_section_flags (osec) & SEC_HAS_CONTENTS) == 0)
{
bfd_nonfatal_message (NULL, ibfd, osec,
_("can't dump section - it has no contents"));
continue;
}
- bfd_size_type size = bfd_get_section_size (osec);
- if (size == 0)
- {
- bfd_nonfatal_message (NULL, ibfd, osec,
- _("can't dump section - it is empty"));
- continue;
- }
+ bfd_size_type size = bfd_section_size (osec);
+ /* Note - we allow the dumping of zero-sized sections,
+ creating an empty file. */
- FILE * f;
f = fopen (pdump->filename, FOPEN_WB);
if (f == NULL)
{
continue;
}
- bfd_byte *contents;
if (bfd_malloc_and_get_section (ibfd, osec, &contents))
{
- if (fwrite (contents, 1, size, f) != size)
+ if (size != 0 && fwrite (contents, 1, size, f) != size)
{
non_fatal (_("error writing section contents to %s (error: %s)"),
pdump->filename,
strerror (errno));
free (contents);
fclose (f);
- return FALSE;
+ return false;
}
}
else
bfd_nonfatal_message (NULL, obfd, NULL,
_("cannot create debug link section `%s'"),
gnu_debuglink_filename);
- return FALSE;
+ return false;
}
/* Special processing for PE format files. We
+ highest_section->size,
/* FIXME: We ought to be using
COFF_PAGE_SIZE here or maybe
- bfd_get_section_alignment() (if it
+ bfd_section_alignment() (if it
was set) but since this is for PE
and we know the required alignment
it is easier just to hard code it. */
/* Umm, not sure what to do in this case. */
debuglink_vma = 0x1000;
- bfd_set_section_vma (obfd, gnu_debuglink_section, debuglink_vma);
+ bfd_set_section_vma (gnu_debuglink_section, debuglink_vma);
}
}
}
- c = bfd_count_sections (obfd);
- if (c != 0
+ num_sec = bfd_count_sections (obfd);
+ if (num_sec != 0
&& (gap_fill_set || pad_to_set))
{
asection **set;
increasing the section sizes as required to fill the gaps.
We write out the gap contents below. */
- osections = (asection **) xmalloc (c * sizeof (asection *));
+ osections = xmalloc (num_sec * sizeof (*osections));
set = osections;
bfd_map_over_sections (obfd, get_sections, &set);
- qsort (osections, c, sizeof (asection *), compare_section_lma);
+ qsort (osections, num_sec, sizeof (*osections), compare_section_lma);
- gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type));
- memset (gaps, 0, c * sizeof (bfd_size_type));
+ gaps = xmalloc (num_sec * sizeof (*gaps));
+ memset (gaps, 0, num_sec * sizeof (*gaps));
if (gap_fill_set)
{
- for (i = 0; i < c - 1; i++)
+ for (i = 0; i < num_sec - 1; i++)
{
flagword flags;
- bfd_size_type size;
- bfd_vma gap_start, gap_stop;
+ bfd_size_type size; /* Octets. */
+ bfd_vma gap_start, gap_stop; /* Octets. */
+ unsigned int opb1 = bfd_octets_per_byte (obfd, osections[i]);
+ unsigned int opb2 = bfd_octets_per_byte (obfd, osections[i+1]);
- flags = bfd_get_section_flags (obfd, osections[i]);
+ flags = bfd_section_flags (osections[i]);
if ((flags & SEC_HAS_CONTENTS) == 0
|| (flags & SEC_LOAD) == 0)
continue;
- size = bfd_section_size (obfd, osections[i]);
- gap_start = bfd_section_lma (obfd, osections[i]) + size;
- gap_stop = bfd_section_lma (obfd, osections[i + 1]);
+ size = bfd_section_size (osections[i]);
+ gap_start = bfd_section_lma (osections[i]) * opb1 + size;
+ gap_stop = bfd_section_lma (osections[i + 1]) * opb2;
if (gap_start < gap_stop)
{
- if (! bfd_set_section_size (obfd, osections[i],
- size + (gap_stop - gap_start)))
+ if (!bfd_set_section_size (osections[i],
+ size + (gap_stop - gap_start)))
{
bfd_nonfatal_message (NULL, obfd, osections[i],
_("Can't fill gap after section"));
if (pad_to_set)
{
- bfd_vma lma;
- bfd_size_type size;
-
- lma = bfd_section_lma (obfd, osections[c - 1]);
- size = bfd_section_size (obfd, osections[c - 1]);
- if (lma + size < pad_to)
+ bfd_vma lma; /* Octets. */
+ bfd_size_type size; /* Octets. */
+ unsigned int opb = bfd_octets_per_byte (obfd, osections[num_sec - 1]);
+ bfd_vma _pad_to = pad_to * opb;
+
+ lma = bfd_section_lma (osections[num_sec - 1]) * opb;
+ size = bfd_section_size (osections[num_sec - 1]);
+ if (lma + size < _pad_to)
{
- if (! bfd_set_section_size (obfd, osections[c - 1],
- pad_to - lma))
+ if (!bfd_set_section_size (osections[num_sec - 1], _pad_to - lma))
{
- bfd_nonfatal_message (NULL, obfd, osections[c - 1],
+ bfd_nonfatal_message (NULL, obfd, osections[num_sec - 1],
_("can't add padding"));
status = 1;
}
else
{
- gaps[c - 1] = pad_to - (lma + size);
- if (max_gap < pad_to - (lma + size))
- max_gap = pad_to - (lma + size);
+ gaps[num_sec - 1] = _pad_to - (lma + size);
+ if (max_gap < _pad_to - (lma + size))
+ max_gap = _pad_to - (lma + size);
}
}
}
have been created, but before their contents are set. */
dhandle = NULL;
if (convert_debugging)
- dhandle = read_debugging_info (ibfd, isympp, symcount, FALSE);
+ dhandle = read_debugging_info (ibfd, isympp, symcount, false);
+
+ if ((obfd->flags & (EXEC_P | DYNAMIC)) != 0
+ && (obfd->flags & HAS_RELOC) == 0)
+ {
+ if (bfd_keep_unused_section_symbols (obfd) || keep_section_symbols)
+ {
+ /* Non-relocatable inputs may not have the unused section
+ symbols. Mark all section symbols as used to generate
+ section symbols. */
+ asection *asect;
+ for (asect = obfd->sections; asect != NULL; asect = asect->next)
+ if (asect->symbol)
+ asect->symbol->flags |= BSF_SECTION_SYM_USED;
+ }
+ else
+ {
+ /* Non-relocatable inputs may have the unused section symbols.
+ Mark all section symbols as unused to excluded them. */
+ long s;
+ for (s = 0; s < symcount; s++)
+ if ((isympp[s]->flags & BSF_SECTION_SYM_USED))
+ isympp[s]->flags &= ~BSF_SECTION_SYM_USED;
+ }
+ }
if (strip_symbols == STRIP_DEBUG
|| strip_symbols == STRIP_ALL
if (bfd_get_error () != bfd_error_no_error)
{
status = 1;
- return FALSE;
+ return false;
}
}
if (convert_debugging && dhandle != NULL)
{
- bfd_boolean res;
+ bool res;
res = write_debugging_info (obfd, dhandle, &symcount, &osympp);
if (! res)
{
status = 1;
- return FALSE;
+ return false;
}
}
0, padd->size))
{
bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
- return FALSE;
+ return false;
}
}
}
0, pupdate->size))
{
bfd_nonfatal_message (NULL, obfd, osec, NULL);
- return FALSE;
+ return false;
}
}
}
- if (merge_notes)
+ if (merged_note_sections != NULL)
{
- osec = bfd_get_section_by_name (obfd, GNU_BUILD_ATTRS_SECTION_NAME);
- if (osec && is_merged_note_section (obfd, osec))
+ merged_note_section * merged = NULL;
+
+ for (osec = obfd->sections; osec != NULL; osec = osec->next)
{
- if (! bfd_set_section_contents (obfd, osec, merged_notes, 0, merged_size))
+ if (! is_mergeable_note_section (obfd, osec))
+ continue;
+
+ if (merged == NULL)
+ merged = merged_note_sections;
+
+ /* It is likely that output sections are in the same order
+ as the input sections, but do not assume that this is
+ the case. */
+ if (merged->sec->output_section != osec)
+ {
+ for (merged = merged_note_sections;
+ merged != NULL;
+ merged = merged->next)
+ if (merged->sec->output_section == osec)
+ break;
+
+ if (merged == NULL)
+ {
+ bfd_nonfatal_message
+ (NULL, obfd, osec,
+ _("error: failed to locate merged notes"));
+ continue;
+ }
+ }
+
+ if (merged->contents == NULL)
+ {
+ bfd_nonfatal_message
+ (NULL, obfd, osec,
+ _("error: failed to merge notes"));
+ continue;
+ }
+
+ if (! bfd_set_section_contents (obfd, osec, merged->contents, 0,
+ merged->size))
{
- bfd_nonfatal_message (NULL, obfd, osec, _("error: failed to copy merged notes into output"));
- return FALSE;
+ bfd_nonfatal_message
+ (NULL, obfd, osec,
+ _("error: failed to copy merged notes into output"));
+ return false;
}
+
+ merged = merged->next;
+ }
+
+ /* Free the memory. */
+ merged_note_section * next;
+ for (merged = merged_note_sections; merged != NULL; merged = next)
+ {
+ next = merged->next;
+ free (merged->contents);
+ free (merged);
}
- else if (! is_strip)
- bfd_nonfatal_message (NULL, obfd, osec, _("could not find any mergeable note sections"));
- free (merged_notes);
- merged_notes = NULL;
- merge_notes = FALSE;
}
+ else if (merge_notes && ! is_strip)
+ non_fatal (_("%s: Could not find any mergeable note sections"),
+ bfd_get_filename (ibfd));
if (gnu_debuglink_filename != NULL)
{
bfd_nonfatal_message (NULL, obfd, NULL,
_("cannot fill debug link section `%s'"),
gnu_debuglink_filename);
- return FALSE;
+ return false;
}
}
- if (gap_fill_set || pad_to_set)
+ if (gaps != NULL)
{
bfd_byte *buf;
buf = (bfd_byte *) xmalloc (max_gap);
memset (buf, gap_fill, max_gap);
- c = bfd_count_sections (obfd);
- for (i = 0; i < c; i++)
+ for (i = 0; i < num_sec; i++)
{
if (gaps[i] != 0)
{
file_ptr off;
left = gaps[i];
- off = bfd_section_size (obfd, osections[i]) - left;
+ off = bfd_section_size (osections[i]) - left;
while (left > 0)
{
{
bfd_nonfatal_message (NULL, obfd, osections[i], NULL);
free (buf);
- return FALSE;
+ return false;
}
left -= now;
{
bfd_nonfatal_message (NULL, obfd, NULL,
_("error copying private BFD data"));
- return FALSE;
+ return false;
}
/* Switch to the alternate machine code. We have to do this at the
}
}
- return TRUE;
+ return true;
}
/* Read each archive element in turn from IBFD, copy the
static void
copy_archive (bfd *ibfd, bfd *obfd, const char *output_target,
- bfd_boolean force_output_target,
+ bool force_output_target,
const bfd_arch_info_type *input_arch)
{
struct name_list
strerror (errno));
if (strip_symbols == STRIP_ALL)
- obfd->has_armap = FALSE;
+ obfd->has_armap = false;
else
obfd->has_armap = ibfd->has_armap;
obfd->is_thin_archive = ibfd->is_thin_archive;
bfd *last_element;
struct stat buf;
int stat_status = 0;
- bfd_boolean del = TRUE;
- bfd_boolean ok_object;
+ bool del = true;
+ bool ok_object;
/* PR binutils/17533: Do not allow directory traversal
outside of the current directory tree by archive members. */
if (del && bfd_get_arch (this_element) == bfd_arch_unknown)
/* Try again as an unknown object file. */
- ok_object = FALSE;
+ ok_object = false;
else if (!bfd_close (output_bfd))
{
bfd_nonfatal_message (output_name, NULL, NULL, NULL);
/* The top-level control. */
static void
-copy_file (const char *input_filename, const char *output_filename,
- const char *input_target, const char *output_target,
- const bfd_arch_info_type *input_arch)
+copy_file (const char *input_filename, const char *output_filename, int ofd,
+ struct stat *in_stat, const char *input_target,
+ const char *output_target, const bfd_arch_info_type *input_arch)
{
bfd *ibfd;
char **obj_matching;
/* To allow us to do "strip *" without dying on the first
non-object file, failures are nonfatal. */
ibfd = bfd_openr (input_filename, input_target);
- if (ibfd == NULL)
+ if (ibfd == NULL || bfd_stat (ibfd, in_stat) != 0)
{
bfd_nonfatal_message (input_filename, NULL, NULL, NULL);
status = 1;
if (bfd_check_format (ibfd, bfd_archive))
{
- bfd_boolean force_output_target;
+ bool force_output_target;
bfd *obfd;
/* bfd_get_target does not return the correct value until
if (output_target == NULL)
{
output_target = bfd_get_target (ibfd);
- force_output_target = FALSE;
+ force_output_target = false;
}
else
- force_output_target = TRUE;
+ force_output_target = true;
+
+ if (ofd >= 0)
+ obfd = bfd_fdopenw (output_filename, output_target, ofd);
+ else
+ obfd = bfd_openw (output_filename, output_target);
- obfd = bfd_openw (output_filename, output_target);
if (obfd == NULL)
{
+ close (ofd);
bfd_nonfatal_message (output_filename, NULL, NULL, NULL);
status = 1;
return;
}
+
+ if (gnu_debuglink_filename != NULL)
+ {
+ non_fatal (_("--add-gnu-debuglink ignored for archive %s"),
+ bfd_get_filename (ibfd));
+ gnu_debuglink_filename = NULL;
+ }
+
/* This is a no-op on non-Coff targets. */
set_long_section_mode (obfd, ibfd, long_section_names);
if (output_target == NULL)
output_target = bfd_get_target (ibfd);
- obfd = bfd_openw (output_filename, output_target);
+ if (ofd >= 0)
+ obfd = bfd_fdopenw (output_filename, output_target, ofd);
+ else
+ obfd = bfd_openw (output_filename, output_target);
+
if (obfd == NULL)
{
+ close (ofd);
bfd_nonfatal_message (output_filename, NULL, NULL, NULL);
status = 1;
return;
}
+
/* This is a no-op on non-Coff targets. */
set_long_section_mode (obfd, ibfd, long_section_names);
flagword flags;
const char *err;
const char * name;
+ const char * new_name;
char *prefix = NULL;
- bfd_boolean make_nobits;
+ bool make_nobits;
+ unsigned int alignment;
if (is_strip_section (ibfd, isection))
return;
/* Get the, possibly new, name of the output section. */
- name = bfd_section_name (ibfd, isection);
- flags = bfd_get_section_flags (ibfd, isection);
- name = find_section_rename (name, &flags);
+ name = bfd_section_name (isection);
+ flags = bfd_section_flags (isection);
+ if (bfd_get_flavour (ibfd) != bfd_get_flavour (obfd))
+ {
+ flags &= bfd_applicable_section_flags (ibfd);
+ flags &= bfd_applicable_section_flags (obfd);
+ }
+ new_name = find_section_rename (name, &flags);
+ if (new_name != name)
+ {
+ name = new_name;
+ flags = check_new_section_flags (flags, obfd, name);
+ }
/* Prefix sections. */
- if ((prefix_alloc_sections_string)
- && (bfd_get_section_flags (ibfd, isection) & SEC_ALLOC))
+ if (prefix_alloc_sections_string
+ && (bfd_section_flags (isection) & SEC_ALLOC) != 0)
prefix = prefix_alloc_sections_string;
else if (prefix_sections_string)
prefix = prefix_sections_string;
name = n;
}
- make_nobits = FALSE;
+ make_nobits = false;
- p = find_section_list (bfd_section_name (ibfd, isection), FALSE,
+ p = find_section_list (bfd_section_name (isection), false,
SECTION_CONTEXT_SET_FLAGS);
if (p != NULL)
- flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
+ {
+ flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
+ flags = check_new_section_flags (flags, obfd, bfd_section_name (isection));
+ }
else if (strip_symbols == STRIP_NONDEBUG
&& (flags & (SEC_ALLOC | SEC_GROUP)) != 0
&& !is_nondebug_keep_contents_section (ibfd, isection))
{
flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD | SEC_GROUP);
- if (obfd->xvec->flavour == bfd_target_elf_flavour)
+ if (bfd_get_flavour (obfd) == bfd_target_elf_flavour)
{
- make_nobits = TRUE;
+ make_nobits = true;
/* Twiddle the input section flags so that it seems to
elf.c:copy_private_bfd_data that section flags have not
if (make_nobits)
elf_section_type (osection) = SHT_NOBITS;
- size = bfd_section_size (ibfd, isection);
+ size = bfd_section_size (isection);
size = bfd_convert_section_size (ibfd, isection, obfd, size);
if (copy_byte >= 0)
size = (size + interleave - 1) / interleave * copy_width;
else if (extract_symbol)
size = 0;
- if (! bfd_set_section_size (obfd, osection, size))
+ if (!bfd_set_section_size (osection, size))
{
err = _("failed to set size");
goto loser;
}
- vma = bfd_section_vma (ibfd, isection);
- p = find_section_list (bfd_section_name (ibfd, isection), FALSE,
+ vma = bfd_section_vma (isection);
+ p = find_section_list (bfd_section_name (isection), false,
SECTION_CONTEXT_ALTER_VMA | SECTION_CONTEXT_SET_VMA);
if (p != NULL)
{
else
vma += change_section_address;
- if (! bfd_set_section_vma (obfd, osection, vma))
+ if (!bfd_set_section_vma (osection, vma))
{
err = _("failed to set vma");
goto loser;
}
lma = isection->lma;
- p = find_section_list (bfd_section_name (ibfd, isection), FALSE,
+ p = find_section_list (bfd_section_name (isection), false,
SECTION_CONTEXT_ALTER_LMA | SECTION_CONTEXT_SET_LMA);
if (p != NULL)
{
osection->lma = lma;
+ p = find_section_list (bfd_section_name (isection), false,
+ SECTION_CONTEXT_SET_ALIGNMENT);
+ if (p != NULL)
+ alignment = p->alignment;
+ else
+ alignment = bfd_section_alignment (isection);
+
/* FIXME: This is probably not enough. If we change the LMA we
may have to recompute the header for the file as well. */
- if (!bfd_set_section_alignment (obfd,
- osection,
- bfd_section_alignment (ibfd, isection)))
+ if (!bfd_set_section_alignment (osection, alignment))
{
err = _("failed to set alignment");
goto loser;
if (gsym != NULL)
{
gsym->flags |= BSF_KEEP;
- if (ibfd->xvec->flavour == bfd_target_elf_flavour)
+ if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour)
elf_group_id (isection) = gsym;
}
}
/* Return TRUE if input section ISECTION should be skipped. */
-static bfd_boolean
-skip_section (bfd *ibfd, sec_ptr isection, bfd_boolean skip_copy)
+static bool
+skip_section (bfd *ibfd, sec_ptr isection, bool skip_copy)
{
sec_ptr osection;
bfd_size_type size;
/* If we have already failed earlier on,
do not keep on generating complaints now. */
if (status != 0)
- return TRUE;
+ return true;
if (extract_symbol)
- return TRUE;
+ return true;
if (is_strip_section (ibfd, isection))
- return TRUE;
+ return true;
if (is_update_section (ibfd, isection))
- return TRUE;
+ return true;
/* When merging a note section we skip the copying of the contents,
but not the copying of the relocs associated with the contents. */
- if (skip_copy && is_merged_note_section (ibfd, isection))
- return TRUE;
+ if (skip_copy && is_mergeable_note_section (ibfd, isection))
+ return true;
- flags = bfd_get_section_flags (ibfd, isection);
+ flags = bfd_section_flags (isection);
if ((flags & SEC_GROUP) != 0)
- return TRUE;
+ return true;
osection = isection->output_section;
- size = bfd_get_section_size (isection);
+ size = bfd_section_size (isection);
if (size == 0 || osection == 0)
- return TRUE;
+ return true;
- return FALSE;
+ return false;
}
/* Add section SECTION_PATTERN to the list of sections that will have their
static void
handle_remove_relocations_option (const char *section_pattern)
{
- find_section_list (section_pattern, TRUE, SECTION_CONTEXT_REMOVE_RELOCS);
+ find_section_list (section_pattern, true, SECTION_CONTEXT_REMOVE_RELOCS);
}
/* Return TRUE if ISECTION from IBFD should have its relocations removed,
removed from a section that does not have relocations then this
function will still return TRUE. */
-static bfd_boolean
+static bool
discard_relocations (bfd *ibfd ATTRIBUTE_UNUSED, asection *isection)
{
- return (find_section_list (bfd_section_name (ibfd, isection), FALSE,
+ return (find_section_list (bfd_section_name (isection), false,
SECTION_CONTEXT_REMOVE_RELOCS) != NULL);
}
static void
handle_remove_section_option (const char *section_pattern)
{
- find_section_list (section_pattern, TRUE, SECTION_CONTEXT_REMOVE);
- if (strncmp (section_pattern, ".rel", 4) == 0)
+ find_section_list (section_pattern, true, SECTION_CONTEXT_REMOVE);
+ if (startswith (section_pattern, ".rel"))
{
section_pattern += 4;
if (*section_pattern == 'a')
if (*section_pattern)
handle_remove_relocations_option (section_pattern);
}
- sections_removed = TRUE;
+ sections_removed = true;
}
/* Copy relocations in input section ISECTION of IBFD to an output
long relcount;
sec_ptr osection;
- if (skip_section (ibfd, isection, FALSE))
+ if (skip_section (ibfd, isection, false))
return;
osection = isection->output_section;
status = 1;
bfd_nonfatal_message (NULL, ibfd, isection,
_("relocation count is negative"));
+ free (relpp);
return;
}
}
temp_relpp [temp_relcount++] = relpp [i];
}
relcount = temp_relcount;
- if (isection->orelocation == NULL)
+ if (relpp != isection->orelocation)
free (relpp);
relpp = temp_relpp;
}
if (relcount == 0)
{
osection->flags &= ~SEC_RELOC;
- free (relpp);
+ if (relpp != isection->orelocation)
+ free (relpp);
}
}
}
sec_ptr osection;
bfd_size_type size;
- if (skip_section (ibfd, isection, TRUE))
+ if (skip_section (ibfd, isection, true))
return;
osection = isection->output_section;
ELF classes of input and output aren't the same. We can't use
the output section size since --interleave will shrink the output
section. Size will be updated if the section is converted. */
- size = bfd_get_section_size (isection);
+ size = bfd_section_size (isection);
- if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
- && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
+ if (bfd_section_flags (isection) & SEC_HAS_CONTENTS
+ && bfd_section_flags (osection) & SEC_HAS_CONTENTS)
{
bfd_byte *memhunk = NULL;
else
/* User must pad the section up in order to do this. */
fatal (_("cannot reverse bytes: length of section %s must be evenly divisible by %d"),
- bfd_section_name (ibfd, isection), reverse_bytes);
+ bfd_section_name (isection), reverse_bytes);
}
if (copy_byte >= 0)
}
free (memhunk);
}
- else if ((p = find_section_list (bfd_get_section_name (ibfd, isection),
- FALSE, SECTION_CONTEXT_SET_FLAGS)) != NULL
+ else if ((p = find_section_list (bfd_section_name (isection),
+ false, SECTION_CONTEXT_SET_FLAGS)) != NULL
&& (p->flags & SEC_HAS_CONTENTS) != 0)
{
void *memhunk = xmalloc (size);
++(*secppp);
}
-/* Sort sections by VMA. This is called via qsort, and is used when
+/* Sort sections by LMA. This is called via qsort, and is used when
--gap-fill or --pad-to is used. We force non loadable or empty
sections to the front, where they are easier to ignore. */
static int
compare_section_lma (const void *arg1, const void *arg2)
{
- const asection *const *sec1 = (const asection * const *) arg1;
- const asection *const *sec2 = (const asection * const *) arg2;
+ const asection *sec1 = *(const asection **) arg1;
+ const asection *sec2 = *(const asection **) arg2;
flagword flags1, flags2;
/* Sort non loadable sections to the front. */
- flags1 = (*sec1)->flags;
- flags2 = (*sec2)->flags;
+ flags1 = sec1->flags;
+ flags2 = sec2->flags;
if ((flags1 & SEC_HAS_CONTENTS) == 0
|| (flags1 & SEC_LOAD) == 0)
{
}
/* Sort sections by LMA. */
- if ((*sec1)->lma > (*sec2)->lma)
+ if (sec1->lma > sec2->lma)
return 1;
- else if ((*sec1)->lma < (*sec2)->lma)
+ if (sec1->lma < sec2->lma)
return -1;
/* Sort sections with the same LMA by size. */
- if (bfd_get_section_size (*sec1) > bfd_get_section_size (*sec2))
+ if (bfd_section_size (sec1) > bfd_section_size (sec2))
return 1;
- else if (bfd_get_section_size (*sec1) < bfd_get_section_size (*sec2))
+ if (bfd_section_size (sec1) < bfd_section_size (sec2))
return -1;
+ if (sec1->id > sec2->id)
+ return 1;
+ if (sec1->id < sec2->id)
+ return -1;
return 0;
}
(*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP;
}
- if (relpp != NULL)
- free (relpp);
+ free (relpp);
}
/* Write out debugging information. */
-static bfd_boolean
+static bool
write_debugging_info (bfd *obfd, void *dhandle,
long *symcountp ATTRIBUTE_UNUSED,
asymbol ***symppp ATTRIBUTE_UNUSED)
if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms,
&symsize, &strings,
&stringsize))
- return FALSE;
+ return false;
flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING;
stabsec = bfd_make_section_with_flags (obfd, ".stab", flags);
stabstrsec = bfd_make_section_with_flags (obfd, ".stabstr", flags);
if (stabsec == NULL
|| stabstrsec == NULL
- || ! bfd_set_section_size (obfd, stabsec, symsize)
- || ! bfd_set_section_size (obfd, stabstrsec, stringsize)
- || ! bfd_set_section_alignment (obfd, stabsec, 2)
- || ! bfd_set_section_alignment (obfd, stabstrsec, 0))
+ || !bfd_set_section_size (stabsec, symsize)
+ || !bfd_set_section_size (stabstrsec, stringsize)
+ || !bfd_set_section_alignment (stabsec, 2)
+ || !bfd_set_section_alignment (stabstrsec, 0))
{
bfd_nonfatal_message (NULL, obfd, NULL,
_("can't create debugging section"));
free (strings);
- return FALSE;
+ return false;
}
/* We can get away with setting the section contents now because
bfd_nonfatal_message (NULL, obfd, NULL,
_("can't set debugging section contents"));
free (strings);
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
bfd_nonfatal_message (NULL, obfd, NULL,
_("don't know how to write debugging information for %s"),
bfd_get_target (obfd));
- return FALSE;
+ return false;
}
/* If neither -D nor -U was specified explicitly,
{
char *input_target = NULL;
char *output_target = NULL;
- bfd_boolean show_version = FALSE;
- bfd_boolean formats_info = FALSE;
+ bool show_version = false;
+ bool formats_info = false;
int c;
int i;
char *output_file = NULL;
- bfd_boolean merge_notes_set = FALSE;
+ bool merge_notes_set = false;
while ((c = getopt_long (argc, argv, "I:O:F:K:MN:R:o:sSpdgxXHhVvwDU",
strip_options, (int *) 0)) != EOF)
case 'R':
handle_remove_section_option (optarg);
break;
+ case OPTION_KEEP_SECTION:
+ find_section_list (optarg, true, SECTION_CONTEXT_KEEP);
+ break;
case OPTION_REMOVE_RELOCS:
handle_remove_relocations_option (optarg);
break;
add_specific_symbol (optarg, keep_specific_htab);
break;
case 'M':
- merge_notes = TRUE;
- merge_notes_set = TRUE;
+ merge_notes = true;
+ merge_notes_set = true;
break;
case OPTION_NO_MERGE_NOTES:
- merge_notes = FALSE;
- merge_notes_set = TRUE;
+ merge_notes = false;
+ merge_notes_set = true;
break;
case 'N':
add_specific_symbol (optarg, strip_specific_htab);
output_file = optarg;
break;
case 'p':
- preserve_dates = TRUE;
+ preserve_dates = true;
break;
case 'D':
- deterministic = TRUE;
+ deterministic = true;
break;
case 'U':
- deterministic = FALSE;
+ deterministic = false;
break;
case 'x':
discard_locals = LOCALS_ALL;
discard_locals = LOCALS_START_L;
break;
case 'v':
- verbose = TRUE;
+ verbose = true;
break;
case 'V':
- show_version = TRUE;
+ show_version = true;
break;
case OPTION_FORMATS_INFO:
- formats_info = TRUE;
+ formats_info = true;
break;
case OPTION_ONLY_KEEP_DEBUG:
strip_symbols = STRIP_NONDEBUG;
case OPTION_KEEP_FILE_SYMBOLS:
keep_file_symbols = 1;
break;
+ case OPTION_KEEP_SECTION_SYMBOLS:
+ keep_section_symbols = true;
+ break;
case 0:
/* We've been given a long option. */
break;
case 'w':
- wildcard = TRUE;
+ wildcard = true;
break;
case 'H':
case 'h':
|| strip_symbols == STRIP_UNNEEDED
|| strip_symbols == STRIP_NONDEBUG
|| strip_symbols == STRIP_NONDWO))
- merge_notes = TRUE;
+ merge_notes = true;
if (formats_info)
{
int hold_status = status;
struct stat statbuf;
char *tmpname;
+ int tmpfd = -1;
+ int copyfd = -1;
if (get_file_size (argv[i]) < 1)
{
continue;
}
- if (preserve_dates)
- /* No need to check the return value of stat().
- It has already been checked in get_file_size(). */
- stat (argv[i], &statbuf);
-
if (output_file == NULL
|| filename_cmp (argv[i], output_file) == 0)
- tmpname = make_tempname (argv[i]);
+ {
+ tmpname = make_tempname (argv[i], &tmpfd);
+ if (tmpfd >= 0)
+ copyfd = dup (tmpfd);
+ }
else
tmpname = output_file;
}
status = 0;
- copy_file (argv[i], tmpname, input_target, output_target, NULL);
+ copy_file (argv[i], tmpname, tmpfd, &statbuf, input_target,
+ output_target, NULL);
if (status == 0)
{
- if (preserve_dates)
- set_times (tmpname, &statbuf);
- if (output_file != tmpname)
- status = (smart_rename (tmpname,
- output_file ? output_file : argv[i],
- preserve_dates) != 0);
+ const char *oname = output_file ? output_file : argv[i];
+ status = smart_rename (tmpname, oname, copyfd,
+ &statbuf, preserve_dates) != 0;
if (status == 0)
status = hold_status;
}
else
- unlink_if_ordinary (tmpname);
+ {
+ if (copyfd >= 0)
+ close (copyfd);
+ unlink_if_ordinary (tmpname);
+ }
if (output_file != tmpname)
free (tmpname);
}
char *tmpname;
char *input_target = NULL;
char *output_target = NULL;
- bfd_boolean show_version = FALSE;
- bfd_boolean change_warn = TRUE;
- bfd_boolean formats_info = FALSE;
- bfd_boolean use_globalize = FALSE;
- bfd_boolean use_keep_global = FALSE;
+ bool show_version = false;
+ bool change_warn = true;
+ bool formats_info = false;
+ bool use_globalize = false;
+ bool use_keep_global = false;
int c;
+ int tmpfd = -1;
+ int copyfd;
struct stat statbuf;
const bfd_arch_info_type *input_arch = NULL;
break;
case 'j':
- find_section_list (optarg, TRUE, SECTION_CONTEXT_COPY);
- sections_copied = TRUE;
+ find_section_list (optarg, true, SECTION_CONTEXT_COPY);
+ sections_copied = true;
break;
case 'R':
handle_remove_section_option (optarg);
break;
+ case OPTION_KEEP_SECTION:
+ find_section_list (optarg, true, SECTION_CONTEXT_KEEP);
+ break;
+
case OPTION_REMOVE_RELOCS:
handle_remove_relocations_option (optarg);
break;
break;
case 'M':
- merge_notes = TRUE;
+ merge_notes = true;
break;
case OPTION_NO_MERGE_NOTES:
- merge_notes = FALSE;
+ merge_notes = false;
break;
case 'N':
break;
case OPTION_GLOBALIZE_SYMBOL:
- use_globalize = TRUE;
+ use_globalize = true;
add_specific_symbol (optarg, globalize_specific_htab);
break;
case 'G':
- use_keep_global = TRUE;
+ use_keep_global = true;
add_specific_symbol (optarg, keepglobal_specific_htab);
break;
break;
case 'p':
- preserve_dates = TRUE;
+ preserve_dates = true;
break;
case 'D':
- deterministic = TRUE;
+ deterministic = true;
break;
case 'U':
- deterministic = FALSE;
+ deterministic = false;
break;
case 'w':
- wildcard = TRUE;
+ wildcard = true;
break;
case 'x':
break;
case 'v':
- verbose = TRUE;
+ verbose = true;
break;
case 'V':
- show_version = TRUE;
+ show_version = true;
break;
case OPTION_FORMATS_INFO:
- formats_info = TRUE;
+ formats_info = true;
break;
case OPTION_WEAKEN:
- weaken = TRUE;
+ weaken = true;
break;
case OPTION_ADD_SECTION:
strncpy (name, optarg, len);
name[len] = '\0';
- p = find_section_list (name, TRUE, context);
+ p = find_section_list (name, true, context);
val = parse_vma (s + 1, option);
if (*s == '-')
break;
case OPTION_CHANGE_WARNINGS:
- change_warn = TRUE;
+ change_warn = true;
break;
case OPTION_CHANGE_LEADING_CHAR:
- change_leading_char = TRUE;
+ change_leading_char = true;
break;
case OPTION_COMPRESS_DEBUG_SECTIONS:
break;
case OPTION_DEBUGGING:
- convert_debugging = TRUE;
+ convert_debugging = true;
break;
case OPTION_DECOMPRESS_DEBUG_SECTIONS:
non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
buff, gap_fill);
}
- gap_fill_set = TRUE;
+ gap_fill_set = true;
}
break;
case OPTION_NO_CHANGE_WARNINGS:
- change_warn = FALSE;
+ change_warn = false;
break;
case OPTION_PAD_TO:
pad_to = parse_vma (optarg, "--pad-to");
- pad_to_set = TRUE;
+ pad_to_set = true;
break;
case OPTION_REMOVE_LEADING_CHAR:
- remove_leading_char = TRUE;
+ remove_leading_char = true;
break;
case OPTION_REDEFINE_SYM:
strncpy (name, optarg, len);
name[len] = '\0';
- p = find_section_list (name, TRUE, SECTION_CONTEXT_SET_FLAGS);
+ p = find_section_list (name, true, SECTION_CONTEXT_SET_FLAGS);
p->flags = parse_flags (s + 1);
}
break;
+ case OPTION_SET_SECTION_ALIGNMENT:
+ {
+ struct section_list *p;
+ const char *s;
+ int len;
+ char *name;
+ int palign, align;
+
+ s = strchr (optarg, '=');
+ if (s == NULL)
+ fatal (_("bad format for --set-section-alignment: argument needed"));
+
+ align = atoi (s + 1);
+ if (align <= 0)
+ fatal (_("bad format for --set-section-alignment: numeric argument needed"));
+
+ /* Convert integer alignment into a power-of-two alignment. */
+ palign = 0;
+ while ((align & 1) == 0)
+ {
+ align >>= 1;
+ ++palign;
+ }
+
+ if (align != 1)
+ /* Number has more than on 1, i.e. wasn't a power of 2. */
+ fatal (_("bad format for --set-section-alignment: alignment is not a power of two"));
+
+ /* Add the alignment setting to the section list. */
+ len = s - optarg;
+ name = (char *) xmalloc (len + 1);
+ strncpy (name, optarg, len);
+ name[len] = '\0';
+
+ p = find_section_list (name, true, SECTION_CONTEXT_SET_ALIGNMENT);
+ if (p)
+ p->alignment = palign;
+ }
+ break;
+
case OPTION_RENAME_SECTION:
{
flagword flags;
case OPTION_SET_START:
set_start = parse_vma (optarg, "--set-start");
- set_start_set = TRUE;
+ set_start_set = true;
break;
case OPTION_SREC_LEN:
break;
case OPTION_SREC_FORCES3:
- _bfd_srec_forceS3 = TRUE;
+ _bfd_srec_forceS3 = true;
break;
case OPTION_STRIP_SYMBOLS:
&keep_specific_buffer);
break;
+ case OPTION_KEEP_SECTION_SYMBOLS:
+ keep_section_symbols = true;
+ break;
+
case OPTION_LOCALIZE_HIDDEN:
- localize_hidden = TRUE;
+ localize_hidden = true;
break;
case OPTION_LOCALIZE_SYMBOLS:
break;
case OPTION_GLOBALIZE_SYMBOLS:
- use_globalize = TRUE;
+ use_globalize = true;
add_specific_symbols (optarg, globalize_specific_htab,
&globalize_specific_buffer);
break;
case OPTION_KEEPGLOBAL_SYMBOLS:
- use_keep_global = TRUE;
+ use_keep_global = true;
add_specific_symbols (optarg, keepglobal_specific_htab,
&keepglobal_specific_buffer);
break;
break;
case OPTION_EXTRACT_SYMBOL:
- extract_symbol = TRUE;
+ extract_symbol = true;
break;
case OPTION_REVERSE_BYTES:
pe_image_base = parse_vma (optarg, "--image-base");
break;
- case OPTION_SECTION_ALIGNMENT:
+ case OPTION_PE_SECTION_ALIGNMENT:
pe_section_alignment = parse_vma (optarg,
"--section-alignment");
break;
}
break;
+ case OPTION_VERILOG_DATA_WIDTH:
+ VerilogDataWidth = parse_vma (optarg, "--verilog-data-width");
+ if (VerilogDataWidth < 1)
+ fatal (_("verilog data width must be at least 1 byte"));
+ break;
+
case 0:
/* We've been given a long option. */
break;
/* Convert input EFI target to PEI target. */
if (input_target != NULL
- && strncmp (input_target, "efi-", 4) == 0)
+ && startswith (input_target, "efi-"))
{
char *efi;
efi = xstrdup (output_target + 4);
- if (strncmp (efi, "bsdrv-", 6) == 0
- || strncmp (efi, "rtdrv-", 6) == 0)
+ if (startswith (efi, "bsdrv-")
+ || startswith (efi, "rtdrv-"))
efi += 2;
- else if (strncmp (efi, "app-", 4) != 0)
+ else if (!startswith (efi, "app-"))
fatal (_("unknown input EFI target: %s"), input_target);
input_target = efi;
/* Convert output EFI target to PEI target. */
if (output_target != NULL
- && strncmp (output_target, "efi-", 4) == 0)
+ && startswith (output_target, "efi-"))
{
char *efi;
efi = xstrdup (output_target + 4);
- if (strncmp (efi, "app-", 4) == 0)
+ if (startswith (efi, "app-"))
{
if (pe_subsystem == -1)
pe_subsystem = IMAGE_SUBSYSTEM_EFI_APPLICATION;
}
- else if (strncmp (efi, "bsdrv-", 6) == 0)
+ else if (startswith (efi, "bsdrv-"))
{
if (pe_subsystem == -1)
pe_subsystem = IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER;
efi += 2;
}
- else if (strncmp (efi, "rtdrv-", 6) == 0)
+ else if (startswith (efi, "rtdrv-"))
{
if (pe_subsystem == -1)
pe_subsystem = IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER;
convert_efi_target (efi);
}
- if (preserve_dates)
- if (stat (input_filename, & statbuf) < 0)
- fatal (_("warning: could not locate '%s'. System error message: %s"),
- input_filename, strerror (errno));
-
/* If there is no destination file, or the source and destination files
- are the same, then create a temp and rename the result into the input. */
+ are the same, then create a temp and copy the result into the input. */
+ copyfd = -1;
if (output_filename == NULL
|| filename_cmp (input_filename, output_filename) == 0)
- tmpname = make_tempname (input_filename);
+ {
+ tmpname = make_tempname (input_filename, &tmpfd);
+ if (tmpfd >= 0)
+ copyfd = dup (tmpfd);
+ }
else
tmpname = output_filename;
if (tmpname == NULL)
- fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
- input_filename, strerror (errno));
+ {
+ fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
+ input_filename, strerror (errno));
+ }
- copy_file (input_filename, tmpname, input_target, output_target, input_arch);
+ copy_file (input_filename, tmpname, tmpfd, &statbuf, input_target,
+ output_target, input_arch);
if (status == 0)
{
- if (preserve_dates)
- set_times (tmpname, &statbuf);
- if (tmpname != output_filename)
- status = (smart_rename (tmpname, input_filename,
- preserve_dates) != 0);
+ const char *oname = output_filename ? output_filename : input_filename;
+ status = smart_rename (tmpname, oname, copyfd,
+ &statbuf, preserve_dates) != 0;
}
else
- unlink_if_ordinary (tmpname);
+ {
+ if (copyfd >= 0)
+ close (copyfd);
+ unlink_if_ordinary (tmpname);
+ }
if (tmpname != output_filename)
free (tmpname);
}
}
- if (strip_specific_buffer)
- free (strip_specific_buffer);
-
- if (strip_unneeded_buffer)
- free (strip_unneeded_buffer);
-
- if (keep_specific_buffer)
- free (keep_specific_buffer);
-
- if (localize_specific_buffer)
- free (globalize_specific_buffer);
-
- if (globalize_specific_buffer)
- free (globalize_specific_buffer);
-
- if (keepglobal_specific_buffer)
- free (keepglobal_specific_buffer);
-
- if (weaken_specific_buffer)
- free (weaken_specific_buffer);
+ free (strip_specific_buffer);
+ free (strip_unneeded_buffer);
+ free (keep_specific_buffer);
+ free (localize_specific_buffer);
+ free (globalize_specific_buffer);
+ free (keepglobal_specific_buffer);
+ free (weaken_specific_buffer);
return 0;
}
int
main (int argc, char *argv[])
{
-#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+#ifdef HAVE_LC_MESSAGES
setlocale (LC_MESSAGES, "");
#endif
-#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
-#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
projects / deliverable / binutils-gdb.git / blobdiff