/* Generic symbol-table support for the BFD library.
- Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/*
SECTION
allocating storage, and the actual reading process. This is an
excerpt from an application which reads the symbol table:
-| long storage_needed;
-| asymbol **symbol_table;
-| long number_of_symbols;
-| long i;
+| long storage_needed;
+| asymbol **symbol_table;
+| long number_of_symbols;
+| long i;
|
-| storage_needed = bfd_get_symtab_upper_bound (abfd);
+| storage_needed = bfd_get_symtab_upper_bound (abfd);
|
| if (storage_needed < 0)
| FAIL
|
-| if (storage_needed == 0) {
-| return ;
-| }
-| symbol_table = (asymbol **) xmalloc (storage_needed);
-| ...
-| number_of_symbols =
-| bfd_canonicalize_symtab (abfd, symbol_table);
+| if (storage_needed == 0)
+| return;
+|
+| symbol_table = xmalloc (storage_needed);
+| ...
+| number_of_symbols =
+| bfd_canonicalize_symtab (abfd, symbol_table);
|
| if (number_of_symbols < 0)
| FAIL
|
-| for (i = 0; i < number_of_symbols; i++) {
-| process_symbol (symbol_table[i]);
-| }
+| for (i = 0; i < number_of_symbols; i++)
+| process_symbol (symbol_table[i]);
All storage for the symbols themselves is in an objalloc
connected to the BFD; it is freed when the BFD is closed.
-
INODE
Writing Symbols, Mini Symbols, Reading Symbols, Symbols
SUBSECTION
which has been created using <<bfd_make_empty_symbol>>. Here is an
example showing the creation of a symbol table with only one element:
-| #include "bfd.h"
-| main()
-| {
-| bfd *abfd;
-| asymbol *ptrs[2];
-| asymbol *new;
+| #include "sysdep.h"
+| #include "bfd.h"
+| int main (void)
+| {
+| bfd *abfd;
+| asymbol *ptrs[2];
+| asymbol *new;
|
-| abfd = bfd_openw("foo","a.out-sunos-big");
-| bfd_set_format(abfd, bfd_object);
-| new = bfd_make_empty_symbol(abfd);
-| new->name = "dummy_symbol";
-| new->section = bfd_make_section_old_way(abfd, ".text");
-| new->flags = BSF_GLOBAL;
-| new->value = 0x12345;
+| abfd = bfd_openw ("foo","a.out-sunos-big");
+| bfd_set_format (abfd, bfd_object);
+| new = bfd_make_empty_symbol (abfd);
+| new->name = "dummy_symbol";
+| new->section = bfd_make_section_old_way (abfd, ".text");
+| new->flags = BSF_GLOBAL;
+| new->value = 0x12345;
|
-| ptrs[0] = new;
-| ptrs[1] = (asymbol *)0;
+| ptrs[0] = new;
+| ptrs[1] = 0;
|
-| bfd_set_symtab(abfd, ptrs, 1);
-| bfd_close(abfd);
-| }
+| bfd_set_symtab (abfd, ptrs, 1);
+| bfd_close (abfd);
+| return 0;
+| }
|
-| ./makesym
-| nm foo
-| 00012345 A dummy_symbol
+| ./makesym
+| nm foo
+| 00012345 A dummy_symbol
- Many formats cannot represent arbitary symbol information; for
- instance, the <<a.out>> object format does not allow an
- arbitary number of sections. A symbol pointing to a section
+ Many formats cannot represent arbitrary symbol information; for
+ instance, the <<a.out>> object format does not allow an
+ arbitrary number of sections. A symbol pointing to a section
which is not one of <<.text>>, <<.data>> or <<.bss>> cannot
be described.
*/
-
-
/*
DOCDD
INODE
CODE_FRAGMENT
.
-.typedef struct symbol_cache_entry
+.typedef struct bfd_symbol
.{
-. {* A pointer to the BFD which owns the symbol. This information
-. is necessary so that a back end can work out what additional
-. information (invisible to the application writer) is carried
-. with the symbol.
-.
-. This field is *almost* redundant, since you can use section->owner
-. instead, except that some symbols point to the global sections
-. bfd_{abs,com,und}_section. This could be fixed by making
-. these globals be per-bfd (or per-target-flavor). FIXME. *}
+. {* A pointer to the BFD which owns the symbol. This information
+. is necessary so that a back end can work out what additional
+. information (invisible to the application writer) is carried
+. with the symbol.
.
-. struct _bfd *the_bfd; {* Use bfd_asymbol_bfd(sym) to access this field. *}
+. This field is *almost* redundant, since you can use section->owner
+. instead, except that some symbols point to the global sections
+. bfd_{abs,com,und}_section. This could be fixed by making
+. these globals be per-bfd (or per-target-flavor). FIXME. *}
+. struct bfd *the_bfd; {* Use bfd_asymbol_bfd(sym) to access this field. *}
.
-. {* The text of the symbol. The name is left alone, and not copied; the
-. application may not alter it. *}
-. CONST char *name;
+. {* The text of the symbol. The name is left alone, and not copied; the
+. application may not alter it. *}
+. const char *name;
.
-. {* The value of the symbol. This really should be a union of a
-. numeric value with a pointer, since some flags indicate that
-. a pointer to another symbol is stored here. *}
+. {* The value of the symbol. This really should be a union of a
+. numeric value with a pointer, since some flags indicate that
+. a pointer to another symbol is stored here. *}
. symvalue value;
.
-. {* Attributes of a symbol: *}
+. {* Attributes of a symbol. *}
+.#define BSF_NO_FLAGS 0
.
-.#define BSF_NO_FLAGS 0x00
+. {* The symbol has local scope; <<static>> in <<C>>. The value
+. is the offset into the section of the data. *}
+.#define BSF_LOCAL (1 << 0)
.
-. {* The symbol has local scope; <<static>> in <<C>>. The value
-. is the offset into the section of the data. *}
-.#define BSF_LOCAL 0x01
+. {* The symbol has global scope; initialized data in <<C>>. The
+. value is the offset into the section of the data. *}
+.#define BSF_GLOBAL (1 << 1)
.
-. {* The symbol has global scope; initialized data in <<C>>. The
-. value is the offset into the section of the data. *}
-.#define BSF_GLOBAL 0x02
+. {* The symbol has global scope and is exported. The value is
+. the offset into the section of the data. *}
+.#define BSF_EXPORT BSF_GLOBAL {* No real difference. *}
.
-. {* The symbol has global scope and is exported. The value is
-. the offset into the section of the data. *}
-.#define BSF_EXPORT BSF_GLOBAL {* no real difference *}
+. {* A normal C symbol would be one of:
+. <<BSF_LOCAL>>, <<BSF_UNDEFINED>> or <<BSF_GLOBAL>>. *}
.
-. {* A normal C symbol would be one of:
-. <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
-. <<BSF_GLOBAL>> *}
+. {* The symbol is a debugging record. The value has an arbitrary
+. meaning, unless BSF_DEBUGGING_RELOC is also set. *}
+.#define BSF_DEBUGGING (1 << 2)
.
-. {* The symbol is a debugging record. The value has an arbitary
-. meaning, unless BSF_DEBUGGING_RELOC is also set. *}
-.#define BSF_DEBUGGING 0x08
+. {* The symbol denotes a function entry point. Used in ELF,
+. perhaps others someday. *}
+.#define BSF_FUNCTION (1 << 3)
.
-. {* The symbol denotes a function entry point. Used in ELF,
-. perhaps others someday. *}
-.#define BSF_FUNCTION 0x10
+. {* Used by the linker. *}
+.#define BSF_KEEP (1 << 5)
.
-. {* Used by the linker. *}
-.#define BSF_KEEP 0x20
-.#define BSF_KEEP_G 0x40
+. {* An ELF common symbol. *}
+.#define BSF_ELF_COMMON (1 << 6)
.
-. {* A weak global symbol, overridable without warnings by
-. a regular global symbol of the same name. *}
-.#define BSF_WEAK 0x80
+. {* A weak global symbol, overridable without warnings by
+. a regular global symbol of the same name. *}
+.#define BSF_WEAK (1 << 7)
.
-. {* This symbol was created to point to a section, e.g. ELF's
-. STT_SECTION symbols. *}
-.#define BSF_SECTION_SYM 0x100
+. {* This symbol was created to point to a section, e.g. ELF's
+. STT_SECTION symbols. *}
+.#define BSF_SECTION_SYM (1 << 8)
.
-. {* The symbol used to be a common symbol, but now it is
-. allocated. *}
-.#define BSF_OLD_COMMON 0x200
+. {* The symbol used to be a common symbol, but now it is
+. allocated. *}
+.#define BSF_OLD_COMMON (1 << 9)
.
-. {* The default value for common data. *}
-.#define BFD_FORT_COMM_DEFAULT_VALUE 0
+. {* In some files the type of a symbol sometimes alters its
+. location in an output file - ie in coff a <<ISFCN>> symbol
+. which is also <<C_EXT>> symbol appears where it was
+. declared and not at the end of a section. This bit is set
+. by the target BFD part to convey this information. *}
+.#define BSF_NOT_AT_END (1 << 10)
.
-. {* In some files the type of a symbol sometimes alters its
-. location in an output file - ie in coff a <<ISFCN>> symbol
-. which is also <<C_EXT>> symbol appears where it was
-. declared and not at the end of a section. This bit is set
-. by the target BFD part to convey this information. *}
+. {* Signal that the symbol is the label of constructor section. *}
+.#define BSF_CONSTRUCTOR (1 << 11)
.
-.#define BSF_NOT_AT_END 0x400
+. {* Signal that the symbol is a warning symbol. The name is a
+. warning. The name of the next symbol is the one to warn about;
+. if a reference is made to a symbol with the same name as the next
+. symbol, a warning is issued by the linker. *}
+.#define BSF_WARNING (1 << 12)
.
-. {* Signal that the symbol is the label of constructor section. *}
-.#define BSF_CONSTRUCTOR 0x800
+. {* Signal that the symbol is indirect. This symbol is an indirect
+. pointer to the symbol with the same name as the next symbol. *}
+.#define BSF_INDIRECT (1 << 13)
.
-. {* Signal that the symbol is a warning symbol. The name is a
-. warning. The name of the next symbol is the one to warn about;
-. if a reference is made to a symbol with the same name as the next
-. symbol, a warning is issued by the linker. *}
-.#define BSF_WARNING 0x1000
+. {* BSF_FILE marks symbols that contain a file name. This is used
+. for ELF STT_FILE symbols. *}
+.#define BSF_FILE (1 << 14)
.
-. {* Signal that the symbol is indirect. This symbol is an indirect
-. pointer to the symbol with the same name as the next symbol. *}
-.#define BSF_INDIRECT 0x2000
+. {* Symbol is from dynamic linking information. *}
+.#define BSF_DYNAMIC (1 << 15)
.
-. {* BSF_FILE marks symbols that contain a file name. This is used
-. for ELF STT_FILE symbols. *}
-.#define BSF_FILE 0x4000
+. {* The symbol denotes a data object. Used in ELF, and perhaps
+. others someday. *}
+.#define BSF_OBJECT (1 << 16)
.
-. {* Symbol is from dynamic linking information. *}
-.#define BSF_DYNAMIC 0x8000
+. {* This symbol is a debugging symbol. The value is the offset
+. into the section of the data. BSF_DEBUGGING should be set
+. as well. *}
+.#define BSF_DEBUGGING_RELOC (1 << 17)
.
-. {* The symbol denotes a data object. Used in ELF, and perhaps
-. others someday. *}
-.#define BSF_OBJECT 0x10000
+. {* This symbol is thread local. Used in ELF. *}
+.#define BSF_THREAD_LOCAL (1 << 18)
.
-. {* This symbol is a debugging symbol. The value is the offset
-. into the section of the data. BSF_DEBUGGING should be set
-. as well. *}
-.#define BSF_DEBUGGING_RELOC 0x20000
+. {* This symbol represents a complex relocation expression,
+. with the expression tree serialized in the symbol name. *}
+.#define BSF_RELC (1 << 19)
+.
+. {* This symbol represents a signed complex relocation expression,
+. with the expression tree serialized in the symbol name. *}
+.#define BSF_SRELC (1 << 20)
+.
+. {* This symbol was created by bfd_get_synthetic_symtab. *}
+.#define BSF_SYNTHETIC (1 << 21)
+.
+. {* This symbol is an indirect code object. Unrelated to BSF_INDIRECT.
+. The dynamic linker will compute the value of this symbol by
+. calling the function that it points to. BSF_FUNCTION must
+. also be also set. *}
+.#define BSF_GNU_INDIRECT_FUNCTION (1 << 22)
+. {* This symbol is a globally unique data object. The dynamic linker
+. will make sure that in the entire process there is just one symbol
+. with this name and type in use. BSF_OBJECT must also be set. *}
+.#define BSF_GNU_UNIQUE (1 << 23)
.
. flagword flags;
.
-. {* A pointer to the section to which this symbol is
-. relative. This will always be non NULL, there are special
-. sections for undefined and absolute symbols. *}
-. struct sec *section;
+. {* A pointer to the section to which this symbol is
+. relative. This will always be non NULL, there are special
+. sections for undefined and absolute symbols. *}
+. struct bfd_section *section;
.
-. {* Back end special data. *}
+. {* Back end special data. *}
. union
. {
-. PTR p;
+. void *p;
. bfd_vma i;
-. } udata;
+. }
+. udata;
+.}
+.asymbol;
.
-.} asymbol;
*/
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
+#include "safe-ctype.h"
#include "bfdlink.h"
#include "aout/stab_gnu.h"
-static char coff_section_type PARAMS ((const char *));
-
/*
DOCDD
INODE
the BFD, then return 0. If an error occurs, return -1.
.#define bfd_get_symtab_upper_bound(abfd) \
-. BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
-
+. BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
+.
*/
/*
bfd_is_local_label
SYNOPSIS
- boolean bfd_is_local_label(bfd *abfd, asymbol *sym);
+ bfd_boolean bfd_is_local_label (bfd *abfd, asymbol *sym);
DESCRIPTION
- Return true if the given symbol @var{sym} in the BFD @var{abfd} is
- a compiler generated local label, else return false.
+ Return TRUE if the given symbol @var{sym} in the BFD @var{abfd} is
+ a compiler generated local label, else return FALSE.
*/
-boolean
-bfd_is_local_label (abfd, sym)
- bfd *abfd;
- asymbol *sym;
+bfd_boolean
+bfd_is_local_label (bfd *abfd, asymbol *sym)
{
- if ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0)
- return false;
+ /* The BSF_SECTION_SYM check is needed for IA-64, where every label that
+ starts with '.' is local. This would accidentally catch section names
+ if we didn't reject them here. */
+ if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_FILE | BSF_SECTION_SYM)) != 0)
+ return FALSE;
if (sym->name == NULL)
- return false;
+ return FALSE;
return bfd_is_local_label_name (abfd, sym->name);
}
bfd_is_local_label_name
SYNOPSIS
- boolean bfd_is_local_label_name(bfd *abfd, const char *name);
+ bfd_boolean bfd_is_local_label_name (bfd *abfd, const char *name);
DESCRIPTION
- Return true if a symbol with the name @var{name} in the BFD
+ Return TRUE if a symbol with the name @var{name} in the BFD
@var{abfd} is a compiler generated local label, else return
- false. This just checks whether the name has the form of a
+ FALSE. This just checks whether the name has the form of a
local label.
.#define bfd_is_local_label_name(abfd, name) \
-. BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
+. BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
+.
+*/
+
+/*
+FUNCTION
+ bfd_is_target_special_symbol
+
+SYNOPSIS
+ bfd_boolean bfd_is_target_special_symbol (bfd *abfd, asymbol *sym);
+
+DESCRIPTION
+ Return TRUE iff a symbol @var{sym} in the BFD @var{abfd} is something
+ special to the particular target represented by the BFD. Such symbols
+ should normally not be mentioned to the user.
+
+.#define bfd_is_target_special_symbol(abfd, sym) \
+. BFD_SEND (abfd, _bfd_is_target_special_symbol, (abfd, sym))
+.
*/
/*
Return the actual number of symbol pointers, not
including the NULL.
-
.#define bfd_canonicalize_symtab(abfd, location) \
-. BFD_SEND (abfd, _bfd_canonicalize_symtab,\
-. (abfd, location))
-
+. BFD_SEND (abfd, _bfd_canonicalize_symtab, (abfd, location))
+.
*/
-
/*
FUNCTION
bfd_set_symtab
SYNOPSIS
- boolean bfd_set_symtab (bfd *abfd, asymbol **location, unsigned int count);
+ bfd_boolean bfd_set_symtab
+ (bfd *abfd, asymbol **location, unsigned int count);
DESCRIPTION
Arrange that when the output BFD @var{abfd} is closed,
will be written.
*/
-boolean
-bfd_set_symtab (abfd, location, symcount)
- bfd *abfd;
- asymbol **location;
- unsigned int symcount;
+bfd_boolean
+bfd_set_symtab (bfd *abfd, asymbol **location, unsigned int symcount)
{
- if ((abfd->format != bfd_object) || (bfd_read_p (abfd)))
+ if (abfd->format != bfd_object || bfd_read_p (abfd))
{
bfd_set_error (bfd_error_invalid_operation);
- return false;
+ return FALSE;
}
- bfd_get_outsymbols (abfd) = location;
- bfd_get_symcount (abfd) = symcount;
- return true;
+ abfd->outsymbols = location;
+ abfd->symcount = symcount;
+ return TRUE;
}
/*
bfd_print_symbol_vandf
SYNOPSIS
- void bfd_print_symbol_vandf(PTR file, asymbol *symbol);
+ void bfd_print_symbol_vandf (bfd *abfd, void *file, asymbol *symbol);
DESCRIPTION
Print the value and flags of the @var{symbol} supplied to the
stream @var{file}.
*/
void
-bfd_print_symbol_vandf (arg, symbol)
- PTR arg;
- asymbol *symbol;
+bfd_print_symbol_vandf (bfd *abfd, void *arg, asymbol *symbol)
{
FILE *file = (FILE *) arg;
+
flagword type = symbol->flags;
- if (symbol->section != (asection *) NULL)
- {
- fprintf_vma (file, symbol->value + symbol->section->vma);
- }
+
+ if (symbol->section != NULL)
+ bfd_fprintf_vma (abfd, file, symbol->value + symbol->section->vma);
else
- {
- fprintf_vma (file, symbol->value);
- }
+ bfd_fprintf_vma (abfd, file, symbol->value);
/* This presumes that a symbol can not be both BSF_DEBUGGING and
BSF_DYNAMIC, nor more than one of BSF_FUNCTION, BSF_FILE, and
fprintf (file, " %c%c%c%c%c%c%c",
((type & BSF_LOCAL)
? (type & BSF_GLOBAL) ? '!' : 'l'
- : (type & BSF_GLOBAL) ? 'g' : ' '),
+ : (type & BSF_GLOBAL) ? 'g'
+ : (type & BSF_GNU_UNIQUE) ? 'u' : ' '),
(type & BSF_WEAK) ? 'w' : ' ',
(type & BSF_CONSTRUCTOR) ? 'C' : ' ',
(type & BSF_WARNING) ? 'W' : ' ',
- (type & BSF_INDIRECT) ? 'I' : ' ',
+ (type & BSF_INDIRECT) ? 'I' : (type & BSF_GNU_INDIRECT_FUNCTION) ? 'i' : ' ',
(type & BSF_DEBUGGING) ? 'd' : (type & BSF_DYNAMIC) ? 'D' : ' ',
((type & BSF_FUNCTION)
? 'F'
: ((type & BSF_OBJECT) ? 'O' : ' '))));
}
-
/*
FUNCTION
bfd_make_empty_symbol
information, and will cause problems later on.
.#define bfd_make_empty_symbol(abfd) \
-. BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
+. BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
+.
*/
+/*
+FUNCTION
+ _bfd_generic_make_empty_symbol
+
+SYNOPSIS
+ asymbol *_bfd_generic_make_empty_symbol (bfd *);
+
+DESCRIPTION
+ Create a new <<asymbol>> structure for the BFD @var{abfd}
+ and return a pointer to it. Used by core file routines,
+ binary back-end and anywhere else where no private info
+ is needed.
+*/
+
+asymbol *
+_bfd_generic_make_empty_symbol (bfd *abfd)
+{
+ size_t amt = sizeof (asymbol);
+ asymbol *new_symbol = (asymbol *) bfd_zalloc (abfd, amt);
+ if (new_symbol)
+ new_symbol->the_bfd = abfd;
+ return new_symbol;
+}
+
/*
FUNCTION
bfd_make_debug_symbol
yet to be worked out.
.#define bfd_make_debug_symbol(abfd,ptr,size) \
-. BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
+. BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
+.
*/
struct section_to_type
{
- CONST char *section;
+ const char *section;
char type;
};
-/* Map section names to POSIX/BSD single-character symbol types.
+/* Map special section names to POSIX/BSD single-character symbol types.
This table is probably incomplete. It is sorted for convenience of
adding entries. Since it is so short, a linear search is used. */
-static CONST struct section_to_type stt[] =
+static const struct section_to_type stt[] =
{
- {"*DEBUG*", 'N'},
- {".bss", 'b'},
- {"zerovars", 'b'}, /* MRI .bss */
- {".data", 'd'},
- {"vars", 'd'}, /* MRI .data */
- {".rdata", 'r'}, /* Read only data. */
- {".rodata", 'r'}, /* Read only data. */
- {".sbss", 's'}, /* Small BSS (uninitialized data). */
- {".scommon", 'c'}, /* Small common. */
- {".sdata", 'g'}, /* Small initialized data. */
- {".text", 't'},
- {"code", 't'}, /* MRI .text */
- {".drectve", 'i'}, /* MSVC's .drective section */
- {".idata", 'i'}, /* MSVC's .idata (import) section */
- {".edata", 'e'}, /* MSVC's .edata (export) section */
- {".pdata", 'p'}, /* MSVC's .pdata (stack unwind) section */
- {".debug", 'N'}, /* MSVC's .debug (non-standard debug syms) */
+ {".drectve", 'i'}, /* MSVC's .drective section */
+ {".edata", 'e'}, /* MSVC's .edata (export) section */
+ {".idata", 'i'}, /* MSVC's .idata (import) section */
+ {".pdata", 'p'}, /* MSVC's .pdata (stack unwind) section */
{0, 0}
};
/* Return the single-character symbol type corresponding to
- section S, or '?' for an unknown COFF section.
+ section S, or '?' for an unknown COFF section.
- Check for any leading string which matches, so .text5 returns
- 't' as well as .text */
+ Check for leading strings which match, followed by a number, '.',
+ or '$' so .idata5 matches the .idata entry. */
static char
-coff_section_type (s)
- const char *s;
+coff_section_type (const char *s)
{
- CONST struct section_to_type *t;
+ const struct section_to_type *t;
- for (t = &stt[0]; t->section; t++)
- if (!strncmp (s, t->section, strlen (t->section)))
- return t->type;
+ for (t = &stt[0]; t->section; t++)
+ {
+ size_t len = strlen (t->section);
+ if (strncmp (s, t->section, len) == 0
+ && memchr (".$0123456789", s[len], 13) != 0)
+ return t->type;
+ }
return '?';
}
-#ifndef islower
-#define islower(c) ((c) >= 'a' && (c) <= 'z')
-#endif
-#ifndef toupper
-#define toupper(c) (islower(c) ? ((c) & ~0x20) : (c))
-#endif
+/* Return the single-character symbol type corresponding to section
+ SECTION, or '?' for an unknown section. This uses section flags to
+ identify sections.
+
+ FIXME These types are unhandled: e, i, p. If we handled these also,
+ we could perhaps obsolete coff_section_type. */
+
+static char
+decode_section_type (const struct bfd_section *section)
+{
+ if (section->flags & SEC_CODE)
+ return 't';
+ if (section->flags & SEC_DATA)
+ {
+ if (section->flags & SEC_READONLY)
+ return 'r';
+ else if (section->flags & SEC_SMALL_DATA)
+ return 'g';
+ else
+ return 'd';
+ }
+ if ((section->flags & SEC_HAS_CONTENTS) == 0)
+ {
+ if (section->flags & SEC_SMALL_DATA)
+ return 's';
+ else
+ return 'b';
+ }
+ if (section->flags & SEC_DEBUGGING)
+ return 'N';
+ if ((section->flags & SEC_HAS_CONTENTS) && (section->flags & SEC_READONLY))
+ return 'n';
+
+ return '?';
+}
/*
FUNCTION
class of @var{symbol}, or '?' for an unknown class.
SYNOPSIS
- int bfd_decode_symclass(asymbol *symbol);
+ int bfd_decode_symclass (asymbol *symbol);
*/
int
-bfd_decode_symclass (symbol)
- asymbol *symbol;
+bfd_decode_symclass (asymbol *symbol)
{
char c;
- if (bfd_is_com_section (symbol->section))
- return 'C';
+ if (symbol->section && bfd_is_com_section (symbol->section))
+ {
+ if (symbol->section == bfd_com_section_ptr)
+ return 'C';
+ else
+ return 'c';
+ }
if (bfd_is_und_section (symbol->section))
{
if (symbol->flags & BSF_WEAK)
}
if (bfd_is_ind_section (symbol->section))
return 'I';
+ if (symbol->flags & BSF_GNU_INDIRECT_FUNCTION)
+ return 'i';
if (symbol->flags & BSF_WEAK)
{
/* If weak, determine if it's specifically an object
else
return 'W';
}
+ if (symbol->flags & BSF_GNU_UNIQUE)
+ return 'u';
if (!(symbol->flags & (BSF_GLOBAL | BSF_LOCAL)))
return '?';
if (bfd_is_abs_section (symbol->section))
c = 'a';
else if (symbol->section)
- c = coff_section_type (symbol->section->name);
+ {
+ c = coff_section_type (symbol->section->name);
+ if (c == '?')
+ c = decode_section_type (symbol->section);
+ }
else
return '?';
if (symbol->flags & BSF_GLOBAL)
- c = toupper (c);
+ c = TOUPPER (c);
return c;
/* We don't have to handle these cases just yet, but we will soon:
/*
FUNCTION
- bfd_is_undefined_symclass
+ bfd_is_undefined_symclass
DESCRIPTION
Returns non-zero if the class symbol returned by
Returns zero otherwise.
SYNOPSIS
- boolean bfd_is_undefined_symclass (int symclass);
+ bfd_boolean bfd_is_undefined_symclass (int symclass);
*/
-boolean
-bfd_is_undefined_symclass (symclass)
- int symclass;
+bfd_boolean
+bfd_is_undefined_symclass (int symclass)
{
return symclass == 'U' || symclass == 'w' || symclass == 'v';
}
calling this function.
SYNOPSIS
- void bfd_symbol_info(asymbol *symbol, symbol_info *ret);
+ void bfd_symbol_info (asymbol *symbol, symbol_info *ret);
*/
void
-bfd_symbol_info (symbol, ret)
- asymbol *symbol;
- symbol_info *ret;
+bfd_symbol_info (asymbol *symbol, symbol_info *ret)
{
ret->type = bfd_decode_symclass (symbol);
-
+
if (bfd_is_undefined_symclass (ret->type))
ret->value = 0;
else
ret->value = symbol->value + symbol->section->vma;
-
+
ret->name = symbol->name;
}
bfd_copy_private_symbol_data
SYNOPSIS
- boolean bfd_copy_private_symbol_data(bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym);
+ bfd_boolean bfd_copy_private_symbol_data
+ (bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym);
DESCRIPTION
Copy private symbol information from @var{isym} in the BFD
@var{ibfd} to the symbol @var{osym} in the BFD @var{obfd}.
- Return <<true>> on success, <<false>> on error. Possible error
+ Return <<TRUE>> on success, <<FALSE>> on error. Possible error
returns are:
o <<bfd_error_no_memory>> -
Not enough memory exists to create private data for @var{osec}.
.#define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
-. BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
-. (ibfd, isymbol, obfd, osymbol))
-
+. BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
+. (ibfd, isymbol, obfd, osymbol))
+.
*/
/* The generic version of the function which returns mini symbols.
version. It just uses BFD asymbol structures as mini symbols. */
long
-_bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep)
- bfd *abfd;
- boolean dynamic;
- PTR *minisymsp;
- unsigned int *sizep;
+_bfd_generic_read_minisymbols (bfd *abfd,
+ bfd_boolean dynamic,
+ void **minisymsp,
+ unsigned int *sizep)
{
long storage;
asymbol **syms = NULL;
storage = bfd_get_symtab_upper_bound (abfd);
if (storage < 0)
goto error_return;
+ if (storage == 0)
+ return 0;
- syms = (asymbol **) bfd_malloc ((size_t) storage);
+ syms = (asymbol **) bfd_malloc (storage);
if (syms == NULL)
goto error_return;
if (symcount < 0)
goto error_return;
- *minisymsp = (PTR) syms;
- *sizep = sizeof (asymbol *);
+ if (symcount == 0)
+ /* We return 0 above when storage is 0. Exit in the same state
+ here, so as to not complicate callers with having to deal with
+ freeing memory for zero symcount. */
+ free (syms);
+ else
+ {
+ *minisymsp = syms;
+ *sizep = sizeof (asymbol *);
+ }
return symcount;
error_return:
- if (syms != NULL)
- free (syms);
+ bfd_set_error (bfd_error_no_symbols);
+ free (syms);
return -1;
}
an asymbol. We don't worry about the sym argument we are passed;
we just return the asymbol the minisymbol points to. */
-/*ARGSUSED*/
asymbol *
-_bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym)
- bfd *abfd ATTRIBUTE_UNUSED;
- boolean dynamic ATTRIBUTE_UNUSED;
- const PTR minisym;
- asymbol *sym ATTRIBUTE_UNUSED;
+_bfd_generic_minisymbol_to_symbol (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ const void *minisym,
+ asymbol *sym ATTRIBUTE_UNUSED)
{
return *(asymbol **) minisym;
}
/* Look through stabs debugging information in .stab and .stabstr
sections to find the source file and line closest to a desired
location. This is used by COFF and ELF targets. It sets *pfound
- to true if it finds some information. The *pinfo field is used to
+ to TRUE if it finds some information. The *pinfo field is used to
pass cached information in and out of this routine; this first time
the routine is called for a BFD, *pinfo should be NULL. The value
placed in *pinfo should be saved with the BFD, and passed back each
char *directory_name;
char *file_name;
char *function_name;
+ int idx;
};
/* Compare two indexentry structures. This is called via qsort. */
static int
-cmpindexentry (a, b)
- const PTR *a;
- const PTR *b;
+cmpindexentry (const void *a, const void *b)
{
const struct indexentry *contestantA = (const struct indexentry *) a;
const struct indexentry *contestantB = (const struct indexentry *) b;
if (contestantA->val < contestantB->val)
return -1;
- else if (contestantA->val > contestantB->val)
+ if (contestantA->val > contestantB->val)
return 1;
- else
- return 0;
+ return contestantA->idx - contestantB->idx;
}
/* A pointer to this structure is stored in *pinfo. */
char *filename;
};
-boolean
-_bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, pfound,
- pfilename, pfnname, pline, pinfo)
- bfd *abfd;
- asymbol **symbols;
- asection *section;
- bfd_vma offset;
- boolean *pfound;
- const char **pfilename;
- const char **pfnname;
- unsigned int *pline;
- PTR *pinfo;
+bfd_boolean
+_bfd_stab_section_find_nearest_line (bfd *abfd,
+ asymbol **symbols,
+ asection *section,
+ bfd_vma offset,
+ bfd_boolean *pfound,
+ const char **pfilename,
+ const char **pfnname,
+ unsigned int *pline,
+ void **pinfo)
{
struct stab_find_info *info;
bfd_size_type stabsize, strsize;
bfd_byte *stab, *str;
- bfd_byte *last_stab = NULL;
+ bfd_byte *nul_fun, *nul_str;
bfd_size_type stroff;
struct indexentry *indexentry;
- char *directory_name, *file_name;
- int saw_fun;
+ char *file_name;
+ char *directory_name;
+ bfd_boolean saw_line, saw_func;
- *pfound = false;
+ *pfound = FALSE;
*pfilename = bfd_get_filename (abfd);
*pfnname = NULL;
*pline = 0;
if (info->stabsec == NULL || info->strsec == NULL)
{
/* No stabs debugging information. */
- return true;
+ return TRUE;
}
- stabsize = info->stabsec->_raw_size;
- strsize = info->strsec->_raw_size;
+ stabsize = (info->stabsec->rawsize
+ ? info->stabsec->rawsize
+ : info->stabsec->size);
+ strsize = (info->strsec->rawsize
+ ? info->strsec->rawsize
+ : info->strsec->size);
}
else
{
long reloc_size, reloc_count;
arelent **reloc_vector;
int i;
- char *name;
- char *file_name;
- char *directory_name;
char *function_name;
+ bfd_size_type amt = sizeof *info;
- info = (struct stab_find_info *) bfd_zalloc (abfd, sizeof *info);
+ info = (struct stab_find_info *) bfd_zalloc (abfd, amt);
if (info == NULL)
- return false;
+ return FALSE;
/* FIXME: When using the linker --split-by-file or
--split-by-reloc options, it is possible for the .stab and
if (info->stabsec == NULL || info->strsec == NULL)
{
- /* No stabs debugging information. Set *pinfo so that we
- can return quickly in the info != NULL case above. */
- *pinfo = (PTR) info;
- return true;
+ /* Try SOM section names. */
+ info->stabsec = bfd_get_section_by_name (abfd, "$GDB_SYMBOLS$");
+ info->strsec = bfd_get_section_by_name (abfd, "$GDB_STRINGS$");
+
+ if (info->stabsec == NULL || info->strsec == NULL)
+ {
+ /* No stabs debugging information. Set *pinfo so that we
+ can return quickly in the info != NULL case above. */
+ *pinfo = info;
+ return TRUE;
+ }
}
- stabsize = info->stabsec->_raw_size;
- strsize = info->strsec->_raw_size;
+ stabsize = (info->stabsec->rawsize
+ ? info->stabsec->rawsize
+ : info->stabsec->size);
+ stabsize = (stabsize / STABSIZE) * STABSIZE;
+ strsize = (info->strsec->rawsize
+ ? info->strsec->rawsize
+ : info->strsec->size);
info->stabs = (bfd_byte *) bfd_alloc (abfd, stabsize);
info->strs = (bfd_byte *) bfd_alloc (abfd, strsize);
if (info->stabs == NULL || info->strs == NULL)
- return false;
+ return FALSE;
- if (! bfd_get_section_contents (abfd, info->stabsec, info->stabs, 0,
- stabsize)
- || ! bfd_get_section_contents (abfd, info->strsec, info->strs, 0,
- strsize))
- return false;
+ if (! bfd_get_section_contents (abfd, info->stabsec, info->stabs,
+ 0, stabsize)
+ || ! bfd_get_section_contents (abfd, info->strsec, info->strs,
+ 0, strsize))
+ return FALSE;
- /* If this is a relocateable object file, we have to relocate
+ /* Stab strings ought to be nul terminated. Ensure the last one
+ is, to prevent running off the end of the buffer. */
+ info->strs[strsize - 1] = 0;
+
+ /* If this is a relocatable object file, we have to relocate
the entries in .stab. This should always be simple 32 bit
relocations against symbols defined in this object file, so
this should be no big deal. */
reloc_size = bfd_get_reloc_upper_bound (abfd, info->stabsec);
if (reloc_size < 0)
- return false;
+ return FALSE;
reloc_vector = (arelent **) bfd_malloc (reloc_size);
if (reloc_vector == NULL && reloc_size != 0)
- return false;
+ return FALSE;
reloc_count = bfd_canonicalize_reloc (abfd, info->stabsec, reloc_vector,
symbols);
if (reloc_count < 0)
{
- if (reloc_vector != NULL)
- free (reloc_vector);
- return false;
+ free (reloc_vector);
+ return FALSE;
}
if (reloc_count > 0)
{
arelent *r;
unsigned long val;
asymbol *sym;
+ bfd_size_type octets;
r = *pr;
+ /* Ignore R_*_NONE relocs. */
+ if (r->howto->dst_mask == 0)
+ continue;
+
+ octets = r->address * bfd_octets_per_byte (abfd, NULL);
if (r->howto->rightshift != 0
|| r->howto->size != 2
|| r->howto->bitsize != 32
|| r->howto->pc_relative
|| r->howto->bitpos != 0
- || r->howto->dst_mask != 0xffffffff)
+ || r->howto->dst_mask != 0xffffffff
+ || octets + 4 > stabsize)
{
- (*_bfd_error_handler)
- (_("Unsupported .stab relocation"));
+ _bfd_error_handler
+ (_("unsupported .stab relocation"));
bfd_set_error (bfd_error_invalid_operation);
- if (reloc_vector != NULL)
- free (reloc_vector);
- return false;
+ free (reloc_vector);
+ return FALSE;
}
- val = bfd_get_32 (abfd, info->stabs + r->address);
+ val = bfd_get_32 (abfd, info->stabs + octets);
val &= r->howto->src_mask;
sym = *r->sym_ptr_ptr;
val += sym->value + sym->section->vma + r->addend;
- bfd_put_32 (abfd, val, info->stabs + r->address);
+ bfd_put_32 (abfd, (bfd_vma) val, info->stabs + octets);
}
}
- if (reloc_vector != NULL)
- free (reloc_vector);
+ free (reloc_vector);
/* First time through this function, build a table matching
function VM addresses to stabs, then sort based on starting
table. */
info->indextablesize = 0;
- saw_fun = 1;
+ nul_fun = NULL;
for (stab = info->stabs; stab < info->stabs + stabsize; stab += STABSIZE)
{
- if (stab[TYPEOFF] == N_SO)
+ if (stab[TYPEOFF] == (bfd_byte) N_SO)
{
- /* N_SO with null name indicates EOF */
- if (bfd_get_32 (abfd, stab + STRDXOFF) == 0)
- continue;
-
- /* if we did not see a function def, leave space for one. */
- if (saw_fun == 0)
+ /* if we did not see a function def, leave space for one. */
+ if (nul_fun != NULL)
++info->indextablesize;
- saw_fun = 0;
-
- /* two N_SO's in a row is a filename and directory. Skip */
- if (stab + STABSIZE < info->stabs + stabsize
- && *(stab + STABSIZE + TYPEOFF) == N_SO)
+ /* N_SO with null name indicates EOF */
+ if (bfd_get_32 (abfd, stab + STRDXOFF) == 0)
+ nul_fun = NULL;
+ else
{
- stab += STABSIZE;
+ nul_fun = stab;
+
+ /* two N_SO's in a row is a filename and directory. Skip */
+ if (stab + STABSIZE + TYPEOFF < info->stabs + stabsize
+ && *(stab + STABSIZE + TYPEOFF) == (bfd_byte) N_SO)
+ stab += STABSIZE;
}
}
- else if (stab[TYPEOFF] == N_FUN)
+ else if (stab[TYPEOFF] == (bfd_byte) N_FUN
+ && bfd_get_32 (abfd, stab + STRDXOFF) != 0)
{
- saw_fun = 1;
+ nul_fun = NULL;
++info->indextablesize;
}
}
- if (saw_fun == 0)
+ if (nul_fun != NULL)
++info->indextablesize;
-
+
if (info->indextablesize == 0)
- return true;
+ return TRUE;
++info->indextablesize;
- info->indextable = ((struct indexentry *)
- bfd_alloc (abfd,
- (sizeof (struct indexentry)
- * info->indextablesize)));
+ amt = info->indextablesize;
+ amt *= sizeof (struct indexentry);
+ info->indextable = (struct indexentry *) bfd_alloc (abfd, amt);
if (info->indextable == NULL)
- return false;
+ return FALSE;
file_name = NULL;
directory_name = NULL;
- saw_fun = 1;
+ nul_fun = NULL;
+ stroff = 0;
- for (i = 0, stroff = 0, stab = info->stabs, str = info->strs;
+ for (i = 0, stab = info->stabs, nul_str = str = info->strs;
i < info->indextablesize && stab < info->stabs + stabsize;
stab += STABSIZE)
{
/* The main file name. */
/* The following code creates a new indextable entry with
- a NULL function name if there were no N_FUNs in a file.
- Note that a N_SO without a file name is an EOF and
- there could be 2 N_SO following it with the new filename
- and directory. */
- if (saw_fun == 0)
+ a NULL function name if there were no N_FUNs in a file.
+ Note that a N_SO without a file name is an EOF and
+ there could be 2 N_SO following it with the new filename
+ and directory. */
+ if (nul_fun != NULL)
{
- info->indextable[i].val = bfd_get_32 (abfd, last_stab + VALOFF);
- info->indextable[i].stab = last_stab;
- info->indextable[i].str = str;
+ info->indextable[i].val = bfd_get_32 (abfd, nul_fun + VALOFF);
+ info->indextable[i].stab = nul_fun;
+ info->indextable[i].str = nul_str;
info->indextable[i].directory_name = directory_name;
info->indextable[i].file_name = file_name;
info->indextable[i].function_name = NULL;
+ info->indextable[i].idx = i;
++i;
}
- saw_fun = 0;
-
+
+ directory_name = NULL;
file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
- if (*file_name == '\0')
+ if (file_name == (char *) str)
{
- directory_name = NULL;
file_name = NULL;
- saw_fun = 1;
+ nul_fun = NULL;
}
else
{
- last_stab = stab;
- if (stab + STABSIZE >= info->stabs + stabsize
- || *(stab + STABSIZE + TYPEOFF) != N_SO)
- {
- directory_name = NULL;
- }
- else
+ nul_fun = stab;
+ nul_str = str;
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
+ file_name = NULL;
+ if (stab + STABSIZE + TYPEOFF < info->stabs + stabsize
+ && *(stab + STABSIZE + TYPEOFF) == (bfd_byte) N_SO)
{
/* Two consecutive N_SOs are a directory and a
file name. */
directory_name = file_name;
file_name = ((char *) str
+ bfd_get_32 (abfd, stab + STRDXOFF));
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
+ file_name = NULL;
}
}
break;
case N_SOL:
/* The name of an include file. */
file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
+ /* PR 17512: file: 0c680a1f. */
+ /* PR 17512: file: 5da8aec4. */
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
+ file_name = NULL;
break;
case N_FUN:
/* A function name. */
- saw_fun = 1;
- name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
-
- if (*name == '\0')
- name = NULL;
-
- function_name = name;
-
- if (name == NULL)
+ function_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
+ if (function_name == (char *) str)
continue;
+ if (function_name >= (char *) info->strs + strsize
+ || function_name < (char *) str)
+ function_name = NULL;
+ nul_fun = NULL;
info->indextable[i].val = bfd_get_32 (abfd, stab + VALOFF);
info->indextable[i].stab = stab;
info->indextable[i].str = str;
info->indextable[i].directory_name = directory_name;
info->indextable[i].file_name = file_name;
info->indextable[i].function_name = function_name;
+ info->indextable[i].idx = i;
++i;
break;
}
}
- if (saw_fun == 0)
+ if (nul_fun != NULL)
{
- info->indextable[i].val = bfd_get_32 (abfd, last_stab + VALOFF);
- info->indextable[i].stab = last_stab;
- info->indextable[i].str = str;
+ info->indextable[i].val = bfd_get_32 (abfd, nul_fun + VALOFF);
+ info->indextable[i].stab = nul_fun;
+ info->indextable[i].str = nul_str;
info->indextable[i].directory_name = directory_name;
info->indextable[i].file_name = file_name;
info->indextable[i].function_name = NULL;
+ info->indextable[i].idx = i;
++i;
}
info->indextable[i].directory_name = NULL;
info->indextable[i].file_name = NULL;
info->indextable[i].function_name = NULL;
+ info->indextable[i].idx = i;
++i;
info->indextablesize = i;
- qsort (info->indextable, i, sizeof (struct indexentry), cmpindexentry);
+ qsort (info->indextable, (size_t) i, sizeof (struct indexentry),
+ cmpindexentry);
- *pinfo = (PTR) info;
+ *pinfo = info;
}
/* We are passed a section relative offset. The offsets in the
stabs information are absolute. */
- offset += bfd_get_section_vma (abfd, section);
+ offset += bfd_section_vma (section);
#ifdef ENABLE_CACHING
if (info->cached_indexentry != NULL
else
#endif
{
- /* Cache non-existant or invalid. Do binary search on
- indextable. */
-
long low, high;
long mid = -1;
+ /* Cache non-existent or invalid. Do binary search on
+ indextable. */
indexentry = NULL;
low = 0;
}
if (indexentry == NULL)
- return true;
+ return TRUE;
stab = indexentry->stab + STABSIZE;
file_name = indexentry->file_name;
directory_name = indexentry->directory_name;
str = indexentry->str;
+ saw_line = FALSE;
+ saw_func = FALSE;
for (; stab < (indexentry+1)->stab; stab += STABSIZE)
{
- boolean done;
+ bfd_boolean done;
bfd_vma val;
- done = false;
+ done = FALSE;
switch (stab[TYPEOFF])
{
if (val <= offset)
{
file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
+ if (file_name >= (char *) info->strs + strsize
+ || file_name < (char *) str)
+ file_name = NULL;
*pline = 0;
}
break;
case N_SLINE:
case N_DSLINE:
case N_BSLINE:
- /* A line number. The value is relative to the start of the
- current function. */
- val = indexentry->val + bfd_get_32 (abfd, stab + VALOFF);
- if (val <= offset)
+ /* A line number. If the function was specified, then the value
+ is relative to the start of the function. Otherwise, the
+ value is an absolute address. */
+ val = ((indexentry->function_name ? indexentry->val : 0)
+ + bfd_get_32 (abfd, stab + VALOFF));
+ /* If this line starts before our desired offset, or if it's
+ the first line we've been able to find, use it. The
+ !saw_line check works around a bug in GCC 2.95.3, which emits
+ the first N_SLINE late. */
+ if (!saw_line || val <= offset)
{
*pline = bfd_get_16 (abfd, stab + DESCOFF);
#endif
}
if (val > offset)
- done = true;
+ done = TRUE;
+ saw_line = TRUE;
break;
case N_FUN:
case N_SO:
- done = true;
+ if (saw_func || saw_line)
+ done = TRUE;
+ saw_func = TRUE;
break;
}
break;
}
- *pfound = true;
+ *pfound = TRUE;
- if (IS_ABSOLUTE_PATH(file_name) || directory_name == NULL)
+ if (file_name == NULL || IS_ABSOLUTE_PATH (file_name)
+ || directory_name == NULL)
*pfilename = file_name;
else
{
dirlen = strlen (directory_name);
if (info->filename == NULL
- || strncmp (info->filename, directory_name, dirlen) != 0
- || strcmp (info->filename + dirlen, file_name) != 0)
+ || filename_ncmp (info->filename, directory_name, dirlen) != 0
+ || filename_cmp (info->filename + dirlen, file_name) != 0)
{
- if (info->filename != NULL)
- free (info->filename);
- info->filename = (char *) bfd_malloc (dirlen +
- strlen (file_name)
- + 1);
+ size_t len;
+
+ /* Don't free info->filename here. objdump and other
+ apps keep a copy of a previously returned file name
+ pointer. */
+ len = strlen (file_name) + 1;
+ info->filename = (char *) bfd_alloc (abfd, dirlen + len);
if (info->filename == NULL)
- return false;
- strcpy (info->filename, directory_name);
- strcpy (info->filename + dirlen, file_name);
+ return FALSE;
+ memcpy (info->filename, directory_name, dirlen);
+ memcpy (info->filename + dirlen, file_name, len);
}
*pfilename = info->filename;
char *s;
/* This will typically be something like main:F(0,1), so we want
- to clobber the colon. It's OK to change the name, since the
- string is in our own local storage anyhow. */
-
+ to clobber the colon. It's OK to change the name, since the
+ string is in our own local storage anyhow. */
s = strchr (indexentry->function_name, ':');
if (s != NULL)
*s = '\0';
*pfnname = indexentry->function_name;
}
- return true;
+ return TRUE;
+}
+
+long
+_bfd_nosymbols_canonicalize_symtab (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol **location ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+void
+_bfd_nosymbols_print_symbol (bfd *abfd ATTRIBUTE_UNUSED,
+ void *afile ATTRIBUTE_UNUSED,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ bfd_print_symbol_type how ATTRIBUTE_UNUSED)
+{
+}
+
+void
+_bfd_nosymbols_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol *sym ATTRIBUTE_UNUSED,
+ symbol_info *ret ATTRIBUTE_UNUSED)
+{
+}
+
+const char *
+_bfd_nosymbols_get_symbol_version_string (bfd *abfd,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ bfd_boolean base_p ATTRIBUTE_UNUSED,
+ bfd_boolean *hidden ATTRIBUTE_UNUSED)
+{
+ return (const char *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED)
+{
+ return FALSE;
+}
+
+alent *
+_bfd_nosymbols_get_lineno (bfd *abfd, asymbol *sym ATTRIBUTE_UNUSED)
+{
+ return (alent *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_find_nearest_line
+ (bfd *abfd,
+ asymbol **symbols ATTRIBUTE_UNUSED,
+ asection *section ATTRIBUTE_UNUSED,
+ bfd_vma offset ATTRIBUTE_UNUSED,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ const char **functionname_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED,
+ unsigned int *discriminator_ptr ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_find_line (bfd *abfd,
+ asymbol **symbols ATTRIBUTE_UNUSED,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nosymbols_find_inliner_info
+ (bfd *abfd,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ const char **functionname_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+asymbol *
+_bfd_nosymbols_bfd_make_debug_symbol (bfd *abfd,
+ void *ptr ATTRIBUTE_UNUSED,
+ unsigned long sz ATTRIBUTE_UNUSED)
+{
+ return (asymbol *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+long
+_bfd_nosymbols_read_minisymbols (bfd *abfd,
+ bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ void **minisymsp ATTRIBUTE_UNUSED,
+ unsigned int *sizep ATTRIBUTE_UNUSED)
+{
+ return _bfd_long_bfd_n1_error (abfd);
+}
+
+asymbol *
+_bfd_nosymbols_minisymbol_to_symbol (bfd *abfd,
+ bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ const void *minisym ATTRIBUTE_UNUSED,
+ asymbol *sym ATTRIBUTE_UNUSED)
+{
+ return (asymbol *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+long
+_bfd_nodynamic_get_synthetic_symtab (bfd *abfd,
+ long symcount ATTRIBUTE_UNUSED,
+ asymbol **syms ATTRIBUTE_UNUSED,
+ long dynsymcount ATTRIBUTE_UNUSED,
+ asymbol **dynsyms ATTRIBUTE_UNUSED,
+ asymbol **ret ATTRIBUTE_UNUSED)
+{
+ return _bfd_long_bfd_n1_error (abfd);
}
projects / deliverable / binutils-gdb.git / blobdiff