/* ECOFF debugging support.
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file was put together by Ian Lance Taylor <ian@cygnus.com>. A
good deal of it comes directly from mips-tfile.c, by Michael
#include "as.h"
/* This file is compiled conditionally for those targets which use
- ECOFF debugging information (e.g., MIPS ECOFF, MIPS ELF, Alpha
- ECOFF). */
+ ECOFF debugging information (e.g., MIPS ELF, Alpha ECOFF). */
#include "ecoff.h"
Each file table has offsets for where the line numbers, local
strings, local symbols, and procedure table starts from within the
- global tables, and the indexs are reset to 0 for each of those
+ global tables, and the indices are reset to 0 for each of those
tables for the file.
The procedure table contains the binary equivalents of the .ent
#26 48 0x00000030 struct no name { ifd = -1, index = 1048575 }
*/
\f
-/* Redefinition of of storage classes as an enumeration for better
+/* Redefinition of storage classes as an enumeration for better
debugging. */
typedef enum sc {
thash_t **hash_tbl);
static tag_t *get_tag (const char *tag, localsym_t *sym, bt_t basic_type);
static void add_unknown_tag (tag_t *ptag);
-static void add_procedure (char *func);
+static void add_procedure (char *func, int aent);
static void add_file (const char *file_name, int indx, int fake);
#ifdef ECOFF_DEBUG
static char *sc_to_string (sc_t storage_class);
const char *str, /* string */
shash_t **ret_hash /* return hash pointer */)
{
- register unsigned long len = strlen (str);
- register shash_t *hash_ptr;
+ unsigned long len = strlen (str);
+ shash_t *hash_ptr;
if (len >= PAGE_USIZE)
as_fatal (_("string too big (%lu bytes)"), len);
hash_ptr = (shash_t *) hash_find (hash_tbl, str);
if (hash_ptr == (shash_t *) NULL)
{
- register const char *err;
+ const char *err;
if (vp->objects_last_page + len >= PAGE_USIZE)
{
symint_t indx /* index to local/aux. syms */)
{
localsym_t *psym;
- register scope_t *pscope;
- register thead_t *ptag_head;
- register tag_t *ptag;
- register tag_t *ptag_next;
- register varray_t *vp;
- register int scope_delta = 0;
+ scope_t *pscope;
+ thead_t *ptag_head;
+ tag_t *ptag;
+ tag_t *ptag_next;
+ varray_t *vp;
+ int scope_delta = 0;
shash_t *hash_ptr = (shash_t *) NULL;
if (cur_file_ptr == (efdr_t *) NULL)
static symint_t
add_aux_sym_symint (symint_t aux_word /* auxiliary information word */)
{
- register varray_t *vp;
- register aux_t *aux_ptr;
+ varray_t *vp;
+ aux_t *aux_ptr;
if (cur_file_ptr == (efdr_t *) NULL)
as_fatal (_("no current file pointer"));
static symint_t
add_aux_sym_rndx (int file_index, symint_t sym_index)
{
- register varray_t *vp;
- register aux_t *aux_ptr;
+ varray_t *vp;
+ aux_t *aux_ptr;
if (cur_file_ptr == (efdr_t *) NULL)
as_fatal (_("no current file pointer"));
hash_state_t state, /* whether to hash type or not */
thash_t **hash_tbl /* pointer to hash table to use */)
{
- register varray_t *vp;
- register aux_t *aux_ptr;
+ varray_t *vp;
+ aux_t *aux_ptr;
static AUXU init_aux;
symint_t ret;
int i;
if (state != hash_no)
{
- register thash_t *hash_ptr;
- register symint_t hi;
+ thash_t *hash_ptr;
+ symint_t hi;
hi = aux.isym & ((1 << HASHBITS) - 1);
hi %= THASH_SIZE;
|| t->basic_type == bt_Union
|| t->basic_type == bt_Enum)
{
- register symint_t file_index = t->tag_ptr->ifd;
- register localsym_t *sym = t->tag_ptr->sym;
- register forward_t *forward_ref = allocate_forward ();
+ symint_t file_index = t->tag_ptr->ifd;
+ localsym_t *sym = t->tag_ptr->sym;
+ forward_t *forward_ref = allocate_forward ();
if (sym != (localsym_t *) NULL)
{
}
\f
/* Add a procedure to the current file's list of procedures, and record
- this is the current procedure. */
+ this is the current procedure. If AENT, then only set the requested
+ symbol's function type. */
static void
-add_procedure (char *func /* func name */)
+add_procedure (char *func /* func name */, int aent)
{
- register varray_t *vp;
- register proc_t *new_proc_ptr;
+ varray_t *vp;
+ proc_t *new_proc_ptr;
symbolS *sym;
#ifdef ECOFF_DEBUG
fputc ('\n', stderr);
#endif
+ /* Set the BSF_FUNCTION flag for the symbol. */
+ sym = symbol_find_or_make (func);
+ symbol_get_bfdsym (sym)->flags |= BSF_FUNCTION;
+
+ if (aent)
+ return;
+
if (cur_file_ptr == (efdr_t *) NULL)
as_fatal (_("no current file pointer"));
new_proc_ptr->pdr.lnLow = -1;
new_proc_ptr->pdr.lnHigh = -1;
- /* Set the BSF_FUNCTION flag for the symbol. */
- sym = symbol_find_or_make (func);
- symbol_get_bfdsym (sym)->flags |= BSF_FUNCTION;
-
/* Push the start of the function. */
new_proc_ptr->sym = add_ecoff_symbol ((const char *) NULL, st_Proc, sc_Text,
sym, (bfd_vma) 0, (symint_t) 0,
static void
add_file (const char *file_name, int indx ATTRIBUTE_UNUSED, int fake)
{
- register int first_ch;
- register efdr_t *fil_ptr;
+ int first_ch;
+ efdr_t *fil_ptr;
#ifdef ECOFF_DEBUG
if (debug)
want to use the actual file name. */
if (file_name == (const char *) NULL)
{
- char *file;
-
if (first_file != (efdr_t *) NULL)
as_fatal (_("fake .file after real one"));
- as_where (&file, (unsigned int *) NULL);
- file_name = (const char *) file;
+ file_name = as_where ((unsigned int *) NULL);
/* Automatically generate ECOFF debugging information, since I
think that's what other ECOFF assemblers do. We don't do
if (stabs_seen)
{
(void) add_ecoff_symbol (file_name, st_Nil, sc_Nil,
- symbol_new ("L0\001", now_seg,
+ symbol_new (FAKE_LABEL_NAME, now_seg,
(valueT) frag_now_fix (),
frag_now),
(bfd_vma) 0, 0, ECOFF_MARK_STAB (N_SOL));
return;
}
- name = input_line_pointer;
- name_end = get_symbol_end ();
+ name_end = get_symbol_name (&name);
(void) add_ecoff_symbol ((const char *) NULL, st_Block, sc_Text,
symbol_find_or_make (name),
(bfd_vma) 0, (symint_t) 0, (symint_t) 0);
- *input_line_pointer = name_end;
+ (void) restore_line_pointer (name_end);
/* The line number follows, but we don't use it. */
(void) get_absolute_expression ();
return;
}
- name = input_line_pointer;
- name_end = get_symbol_end ();
+ name_end = get_symbol_name (&name);
/* The value is the distance between the .bend directive and the
corresponding symbol. We fill in the offset when we write out
(void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text, endsym,
(bfd_vma) 0, (symint_t) 0, (symint_t) 0);
- *input_line_pointer = name_end;
+ restore_line_pointer (name_end);
/* The line number follows, but we don't use it. */
(void) get_absolute_expression ();
SKIP_WHITESPACE ();
- name = input_line_pointer;
- name_end = get_symbol_end ();
+ name_end = get_symbol_name (&name);
if (coff_sym_name != (char *) NULL)
as_warn (_(".def pseudo-op used inside of .def/.endef; ignored"));
as_warn (_("empty symbol name in .def; ignored"));
else
{
- if (coff_sym_name != (char *) NULL)
- free (coff_sym_name);
- if (coff_tag != (char *) NULL)
- free (coff_tag);
-
+ free (coff_sym_name);
+ free (coff_tag);
+
coff_sym_name = xstrdup (name);
coff_type = type_info_init;
coff_storage_class = sc_Nil;
coff_sym_addend = 0;
}
- *input_line_pointer = name_end;
+ restore_line_pointer (name_end);
demand_empty_rest_of_line ();
}
return;
}
- name = input_line_pointer;
- name_end = get_symbol_end ();
+ name_end = get_symbol_name (&name);
coff_tag = xstrdup (name);
- *input_line_pointer = name_end;
+ (void) restore_line_pointer (name_end);
demand_empty_rest_of_line ();
}
return;
}
- name = input_line_pointer;
- name_end = get_symbol_end ();
+ name_end = get_symbol_name (&name);
if (name == input_line_pointer)
{
as_warn (_(".end directive has no name"));
- *input_line_pointer = name_end;
+ (void) restore_line_pointer (name_end);
demand_empty_rest_of_line ();
return;
}
as_warn (_(".end directive names unknown symbol"));
else
(void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text,
- symbol_new ("L0\001", now_seg,
+ symbol_new (FAKE_LABEL_NAME, now_seg,
(valueT) frag_now_fix (),
frag_now),
(bfd_vma) 0, (symint_t) 0, (symint_t) 0);
+#ifdef md_flush_pending_output
+ md_flush_pending_output ();
+#endif
+
cur_proc_ptr = (proc_t *) NULL;
- *input_line_pointer = name_end;
+ (void) restore_line_pointer (name_end);
demand_empty_rest_of_line ();
}
\f
/* Parse .ent directives. */
void
-ecoff_directive_ent (int ignore ATTRIBUTE_UNUSED)
+ecoff_directive_ent (int aent)
{
char *name;
char name_end;
if (cur_file_ptr == (efdr_t *) NULL)
add_file ((const char *) NULL, 0, 1);
- if (cur_proc_ptr != (proc_t *) NULL)
+ if (!aent && cur_proc_ptr != (proc_t *) NULL)
{
as_warn (_("second .ent directive found before .end directive"));
demand_empty_rest_of_line ();
return;
}
- name = input_line_pointer;
- name_end = get_symbol_end ();
+ name_end = get_symbol_name (&name);
if (name == input_line_pointer)
{
- as_warn (_(".ent directive has no name"));
- *input_line_pointer = name_end;
+ as_warn (_("%s directive has no name"), aent ? ".aent" : ".ent");
+ (void) restore_line_pointer (name_end);
demand_empty_rest_of_line ();
return;
}
- add_procedure (name);
+ add_procedure (name, aent);
- *input_line_pointer = name_end;
+ (void) restore_line_pointer (name_end);
/* The .ent directive is sometimes followed by a number. I'm not
really sure what the number means. I don't see any way to store
symbolS *symbolp;
valueT size;
- name = input_line_pointer;
- c = get_symbol_end ();
+ c = get_symbol_name (&name);
symbolp = symbol_find_or_make (name);
- *input_line_pointer = c;
+ (void) restore_line_pointer (c);
S_SET_EXTERNAL (symbolp);
if (stabs_seen)
{
(void) add_ecoff_symbol ((char *) NULL, st_Label, sc_Text,
- symbol_new ("L0\001", now_seg,
+ symbol_new (FAKE_LABEL_NAME, now_seg,
(valueT) frag_now_fix (),
frag_now),
(bfd_vma) 0, 0, lineno);
{
if (! stabs_seen)
{
- /* Add a dummy @stabs dymbol. */
+ /* Add a dummy @stabs symbol. */
stabs_seen = 1;
(void) add_ecoff_symbol (stabs_symbol, st_Nil, sc_Info,
(symbolS *) NULL,
symbolS *symbolP;
expressionS exp;
- name = input_line_pointer;
- c = get_symbol_end ();
+ c = get_symbol_name (&name);
symbolP = symbol_find_or_make (name);
- *input_line_pointer = c;
+ (void) restore_line_pointer (c);
SKIP_WHITESPACE ();
return;
}
- name = input_line_pointer;
- name_end = get_symbol_end ();
-
+ name_end = get_symbol_name (&name);
sym = symbol_find_or_make (name);
- *input_line_pointer = name_end;
+ (void) restore_line_pointer (name_end);
value = 0;
addend = 0;
if (need < PAGE_SIZE)
need = PAGE_SIZE;
want = (*bufend - *buf) + need;
- *buf = (char *) xrealloc (*buf, want);
+ *buf = XRESIZEVEC (char, *buf, want);
*bufend = *buf + want;
return *buf + at;
}
long *linecntptr)
{
char *bufptr;
- register lineno_list_t *l;
+ lineno_list_t *l;
lineno_list_t *last;
efdr_t *file;
proc_t *proc;
&& first_proc_ptr != (proc_t *) NULL
&& local_first_lineno != (lineno_list_t *) NULL
&& ((S_GET_VALUE (first_proc_ptr->sym->as_sym)
- + bfd_get_section_vma (stdoutput,
- S_GET_SEGMENT (first_proc_ptr->sym->as_sym)))
+ + bfd_section_vma (S_GET_SEGMENT (first_proc_ptr->sym->as_sym)))
!= 0))
{
first.file = local_first_lineno->file;
else
sym_ptr->ecoff_sym.asym.value =
(S_GET_VALUE (as_sym)
- + bfd_get_section_vma (stdoutput,
- S_GET_SEGMENT (as_sym))
+ + bfd_section_vma (S_GET_SEGMENT (as_sym))
+ sym_ptr->addend);
sym_ptr->ecoff_sym.weakext = S_IS_WEAK (as_sym);
/* If an st_end symbol has an associated gas
symbol, then it is a local label created for
a .bend or .end directive. Stabs line
- numbers will have \001 in the names. */
+ numbers will have FAKE_LABEL_CHAR in the names. */
if (local
&& sym_ptr->ecoff_sym.asym.st != st_End
- && strchr (sym_ptr->name, '\001') == 0)
+ && strchr (sym_ptr->name, FAKE_LABEL_CHAR) == 0)
sym_ptr->ecoff_sym.asym.iss =
add_string (&fil_ptr->strings,
fil_ptr->str_hash,
adr_sym = proc_ptr->sym->as_sym;
adr = (S_GET_VALUE (adr_sym)
- + bfd_get_section_vma (stdoutput,
- S_GET_SEGMENT (adr_sym)));
+ + bfd_section_vma (S_GET_SEGMENT (adr_sym)));
if (first)
{
/* This code used to force the adr of the very
static void
ecoff_setup_ext (void)
{
- register symbolS *sym;
+ symbolS *sym;
for (sym = symbol_rootP; sym != (symbolS *) NULL; sym = symbol_next (sym))
{
/* Build the symbolic information. */
offset = 0;
- buf = (char *) xmalloc (PAGE_SIZE);
+ buf = XNEWVEC (char, PAGE_SIZE);
bufend = buf + PAGE_SIZE;
/* Build the line number information. */
static page_type *
allocate_cluster (unsigned long npages)
{
- register page_type *value = (page_type *) xmalloc (npages * PAGE_USIZE);
+ page_type *value = (page_type *) xmalloc (npages * PAGE_USIZE);
#ifdef ECOFF_DEBUG
if (debug > 3)
static scope_t *
allocate_scope (void)
{
- register scope_t *ptr;
+ scope_t *ptr;
static scope_t initial_scope;
#ifndef MALLOC_CHECK
alloc_counts[(int) alloc_type_scope].free_list.f_scope = ptr->free;
else
{
- register int unallocated = alloc_counts[(int) alloc_type_scope].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_scope].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_scope].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_scope].cur_page;
if (unallocated == 0)
{
#else
- ptr = (scope_t *) xmalloc (sizeof (scope_t));
+ ptr = XNEW (scope_t);
#endif
static vlinks_t *
allocate_vlinks (void)
{
- register vlinks_t *ptr;
+ vlinks_t *ptr;
static vlinks_t initial_vlinks;
#ifndef MALLOC_CHECK
- register int unallocated = alloc_counts[(int) alloc_type_vlinks].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_vlinks].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_vlinks].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_vlinks].cur_page;
if (unallocated == 0)
{
#else
- ptr = (vlinks_t *) xmalloc (sizeof (vlinks_t));
+ ptr = XNEW (vlinks_t);
#endif
static shash_t *
allocate_shash (void)
{
- register shash_t *ptr;
+ shash_t *ptr;
static shash_t initial_shash;
#ifndef MALLOC_CHECK
- register int unallocated = alloc_counts[(int) alloc_type_shash].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_shash].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_shash].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_shash].cur_page;
if (unallocated == 0)
{
#else
- ptr = (shash_t *) xmalloc (sizeof (shash_t));
+ ptr = XNEW (shash_t);
#endif
static thash_t *
allocate_thash (void)
{
- register thash_t *ptr;
+ thash_t *ptr;
static thash_t initial_thash;
#ifndef MALLOC_CHECK
- register int unallocated = alloc_counts[(int) alloc_type_thash].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_thash].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_thash].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_thash].cur_page;
if (unallocated == 0)
{
#else
- ptr = (thash_t *) xmalloc (sizeof (thash_t));
+ ptr = XNEW (thash_t);
#endif
static tag_t *
allocate_tag (void)
{
- register tag_t *ptr;
+ tag_t *ptr;
static tag_t initial_tag;
#ifndef MALLOC_CHECK
alloc_counts[(int) alloc_type_tag].free_list.f_tag = ptr->free;
else
{
- register int unallocated = alloc_counts[(int) alloc_type_tag].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_tag].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_tag].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_tag].cur_page;
if (unallocated == 0)
{
#else
- ptr = (tag_t *) xmalloc (sizeof (tag_t));
+ ptr = XNEW (tag_t);
#endif
static forward_t *
allocate_forward (void)
{
- register forward_t *ptr;
+ forward_t *ptr;
static forward_t initial_forward;
#ifndef MALLOC_CHECK
- register int unallocated = alloc_counts[(int) alloc_type_forward].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_forward].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_forward].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_forward].cur_page;
if (unallocated == 0)
{
#else
- ptr = (forward_t *) xmalloc (sizeof (forward_t));
+ ptr = XNEW (forward_t);
#endif
static thead_t *
allocate_thead (void)
{
- register thead_t *ptr;
+ thead_t *ptr;
static thead_t initial_thead;
#ifndef MALLOC_CHECK
alloc_counts[(int) alloc_type_thead].free_list.f_thead = ptr->free;
else
{
- register int unallocated = alloc_counts[(int) alloc_type_thead].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_thead].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_thead].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_thead].cur_page;
if (unallocated == 0)
{
#else
- ptr = (thead_t *) xmalloc (sizeof (thead_t));
+ ptr = XNEW (thead_t);
#endif
static lineno_list_t *
allocate_lineno_list (void)
{
- register lineno_list_t *ptr;
+ lineno_list_t *ptr;
static lineno_list_t initial_lineno_list;
#ifndef MALLOC_CHECK
- register int unallocated = alloc_counts[(int) alloc_type_lineno].unallocated;
- register page_type *cur_page = alloc_counts[(int) alloc_type_lineno].cur_page;
+ int unallocated = alloc_counts[(int) alloc_type_lineno].unallocated;
+ page_type *cur_page = alloc_counts[(int) alloc_type_lineno].cur_page;
if (unallocated == 0)
{
#else
- ptr = (lineno_list_t *) xmalloc (sizeof (lineno_list_t));
+ ptr = XNEW (lineno_list_t);
#endif
ecoff_generate_asm_lineno (void)
{
unsigned int lineno;
- char *filename;
+ const char *filename;
lineno_list_t *list;
- as_where (&filename, &lineno);
+ filename = as_where (&lineno);
if (current_stabs_filename == (char *) NULL
|| filename_cmp (current_stabs_filename, filename))
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