/* Shared code to pre-read a stab (dbx-style), when building a psymtab.
- Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GDB.
CUR_SYMBOL_TYPE --Type code of current symbol.
CUR_SYMBOL_VALUE --Value field of current symbol. May be adjusted here.
namestring - variable pointing to the name of the stab.
- section_offsets - variable pointing to the section offsets.
pst - the partial symbol table being built.
psymtab_include_list, includes_used, includes_allocated - list of include
switch (CUR_SYMBOL_TYPE)
{
+ static struct complaint function_outside_compilation_unit = {
+ "function `%s' appears to be defined outside of all compilation units", 0, 0
+ };
char *p;
/*
* Standard, external, non-debugger, symbols
case N_TEXT | N_EXT:
case N_NBTEXT | N_EXT:
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
goto record_it;
case N_DATA | N_EXT:
case N_NBDATA | N_EXT:
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
goto record_it;
case N_BSS:
case N_BSS | N_EXT:
case N_NBBSS | N_EXT:
case N_SETV | N_EXT: /* FIXME, is this in BSS? */
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_BSS);
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_BSS (objfile));
goto record_it;
case N_ABS | N_EXT:
case N_FN_SEQ:
case N_TEXT:
#ifdef DBXREAD_ONLY
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
SET_NAMESTRING ();
if ((namestring[0] == '-' && namestring[1] == 'l')
|| (namestring[(nsl = strlen (namestring)) - 1] == 'o'
continue;
case N_DATA:
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
goto record_it;
case N_UNDF | N_EXT:
case N_SO:
{
- unsigned long valu;
+ CORE_ADDR valu;
static int prev_so_symnum = -10;
static int first_so_symnum;
char *p;
int prev_textlow_not_set;
- valu = CUR_SYMBOL_VALUE + ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ valu = CUR_SYMBOL_VALUE + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
prev_textlow_not_set = textlow_not_set;
immediately follow the first. */
if (!pst)
- pst = START_PSYMTAB (objfile, section_offsets,
+ pst = START_PSYMTAB (objfile,
namestring, valu,
first_so_symnum * symbol_size,
objfile->global_psymbols.next,
#ifdef DBXREAD_ONLY
/* See if this is an end of function stab. */
- if (CUR_SYMBOL_TYPE == N_FUN && *namestring == '\000')
+ if (pst && CUR_SYMBOL_TYPE == N_FUN && *namestring == '\000')
{
- unsigned long valu;
+ CORE_ADDR valu;
/* It's value is the size (in bytes) of the function for
function relative stabs, or the address of the function's
switch (p[1])
{
case 'S':
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
#ifdef STATIC_TRANSFORM_NAME
namestring = STATIC_TRANSFORM_NAME (namestring);
#endif
psymtab_language, objfile);
continue;
case 'G':
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
/* The addresses in these entries are reported to be
wrong. See the code that reads 'G's for symtabs. */
add_psymbol_to_list (namestring, p - namestring,
continue;
case 'f':
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ if (! pst)
+ {
+ int name_len = p - namestring;
+ char *name = xmalloc (name_len + 1);
+ memcpy (name, namestring, name_len);
+ name[name_len] = '\0';
+ complain (&function_outside_compilation_unit, name);
+ xfree (name);
+ }
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
#ifdef DBXREAD_ONLY
- /* Keep track of the start of the last function so we
- can handle end of function symbols. */
- last_function_start = CUR_SYMBOL_VALUE;
/* Kludges for ELF/STABS with Sun ACC */
last_function_name = namestring;
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
value for the bottom of the text seg in those cases. */
+ if (CUR_SYMBOL_VALUE == ANOFFSET (objfile->section_offsets,
+ SECT_OFF_TEXT (objfile)))
+ {
+ CORE_ADDR minsym_valu =
+ find_stab_function_addr (namestring, pst->filename, objfile);
+ /* find_stab_function_addr will return 0 if the minimal
+ symbol wasn't found. (Unfortunately, this might also
+ be a valid address.) Anyway, if it *does* return 0,
+ it is likely that the value was set correctly to begin
+ with... */
+ if (minsym_valu != 0)
+ CUR_SYMBOL_VALUE = minsym_valu;
+ }
if (pst && textlow_not_set)
{
- pst->textlow =
- find_stab_function_addr (namestring, pst, objfile);
+ pst->textlow = CUR_SYMBOL_VALUE;
textlow_not_set = 0;
}
#endif
/* End kludge. */
+ /* Keep track of the start of the last function so we
+ can handle end of function symbols. */
+ last_function_start = CUR_SYMBOL_VALUE;
+
/* In reordered executables this function may lie outside
the bounds created by N_SO symbols. If that's the case
use the address of this function as the low bound for
the partial symbol table. */
- if (textlow_not_set
- || (CUR_SYMBOL_VALUE < pst->textlow
- && CUR_SYMBOL_VALUE
- != ANOFFSET (section_offsets, SECT_OFF_TEXT)))
+ if (pst
+ && (textlow_not_set
+ || (CUR_SYMBOL_VALUE < pst->textlow
+ && (CUR_SYMBOL_VALUE
+ != ANOFFSET (objfile->section_offsets,
+ SECT_OFF_TEXT (objfile))))))
{
pst->textlow = CUR_SYMBOL_VALUE;
textlow_not_set = 0;
are put into the global psymtab like one would expect.
They're also in the minimal symbol table. */
case 'F':
- CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ if (! pst)
+ {
+ int name_len = p - namestring;
+ char *name = xmalloc (name_len + 1);
+ memcpy (name, namestring, name_len);
+ name[name_len] = '\0';
+ complain (&function_outside_compilation_unit, name);
+ xfree (name);
+ }
+ CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
#ifdef DBXREAD_ONLY
- /* Keep track of the start of the last function so we
- can handle end of function symbols. */
- last_function_start = CUR_SYMBOL_VALUE;
/* Kludges for ELF/STABS with Sun ACC */
last_function_name = namestring;
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
value for the bottom of the text seg in those cases. */
+ if (CUR_SYMBOL_VALUE == ANOFFSET (objfile->section_offsets,
+ SECT_OFF_TEXT (objfile)))
+ {
+ CORE_ADDR minsym_valu =
+ find_stab_function_addr (namestring, pst->filename, objfile);
+ /* find_stab_function_addr will return 0 if the minimal
+ symbol wasn't found. (Unfortunately, this might also
+ be a valid address.) Anyway, if it *does* return 0,
+ it is likely that the value was set correctly to begin
+ with... */
+ if (minsym_valu != 0)
+ CUR_SYMBOL_VALUE = minsym_valu;
+ }
if (pst && textlow_not_set)
{
- pst->textlow =
- find_stab_function_addr (namestring, pst, objfile);
+ pst->textlow = CUR_SYMBOL_VALUE;
textlow_not_set = 0;
}
#endif
/* End kludge. */
+
+ /* Keep track of the start of the last function so we
+ can handle end of function symbols. */
+ last_function_start = CUR_SYMBOL_VALUE;
+
/* In reordered executables this function may lie outside
the bounds created by N_SO symbols. If that's the case
use the address of this function as the low bound for
the partial symbol table. */
- if (textlow_not_set
- || (CUR_SYMBOL_VALUE < pst->textlow
- && CUR_SYMBOL_VALUE
- != ANOFFSET (section_offsets, SECT_OFF_TEXT)))
+ if (pst
+ && (textlow_not_set
+ || (CUR_SYMBOL_VALUE < pst->textlow
+ && (CUR_SYMBOL_VALUE
+ != ANOFFSET (objfile->section_offsets,
+ SECT_OFF_TEXT (objfile))))))
{
pst->textlow = CUR_SYMBOL_VALUE;
textlow_not_set = 0;
projects / deliverable / binutils-gdb.git / blobdiff