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authorJim Kingdon <jkingdon@engr.sgi.com>1993-07-15 07:25:58 +0000
committerJim Kingdon <jkingdon@engr.sgi.com>1993-07-15 07:25:58 +0000
commitb5d4d6d7f8324068d711f705c605402e0ce513ac (patch)
tree447a0daba93bf7031bf82152435bc477ed5900ed
parent9adb88b7dec18c3634b468ddd05396795ce06acf (diff)
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* mipsread.c (parse_procedure): Take as argument the symtab to look
the name up in. Look it up with mylookup_symbol, not lookup_symbol. (psymtab_to_symtab_1): For stabs, pass the symtab to parse_procedure.
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/mipsread.c121
2 files changed, 64 insertions, 63 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 91ed0b3..c54436f 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,8 +1,8 @@
Wed Jul 14 17:37:03 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
- * mipsread.c (psymtab_to_symtab_1, parse_procedure): For stabs,
- save the indices of the MIPS_EFI_SYMBOL_NAME symbol rather than
- looking them up by the names of the functions.
+ * mipsread.c (parse_procedure): Take as argument the symtab to look
+ the name up in. Look it up with mylookup_symbol, not lookup_symbol.
+ (psymtab_to_symtab_1): For stabs, pass the symtab to parse_procedure.
* mipsread.c (mylookup_symbol): Use strcmp, not STREQ, as we have
already checked the first characters.
diff --git a/gdb/mipsread.c b/gdb/mipsread.c
index d076699..3a7a807 100644
--- a/gdb/mipsread.c
+++ b/gdb/mipsread.c
@@ -1518,20 +1518,19 @@ upgrade_type (tpp, tq, ax, bigend)
images that have been partially stripped (ld -x) have been deprived
of local symbols, and we have to cope with them here. FIRST_OFF is
the offset of the first procedure for this FDR; we adjust the
- address by this amount, but I don't know why.
+ address by this amount, but I don't know why. SEARCH_SYMTAB is the symtab
+ to look for the function which contains the MIPS_EFI_SYMBOL_NAME symbol
+ in question, or NULL to use top_stack->cur_block. */
- EFI_SYMBOL is the MIPS_EFI_SYMBOL_NAME symbol to use, or NULL which
- means to look up the name using the block in top_stack. */
-
-static void parse_procedure PARAMS ((PDR *, struct symbol *, unsigned long));
+static void parse_procedure PARAMS ((PDR *, struct symtab *, unsigned long));
static void
-parse_procedure (pr, efi_symbol, first_off)
+parse_procedure (pr, search_symtab, first_off)
PDR *pr;
- struct symbol *efi_symbol;
+ struct symtab *search_symtab;
unsigned long first_off;
{
- struct symbol *s;
+ struct symbol *s, *i;
struct block *b;
struct mips_extra_func_info *e;
char *sh_name;
@@ -1569,50 +1568,66 @@ parse_procedure (pr, efi_symbol, first_off)
sh_name = ecoff_data (cur_bfd)->ss + cur_fdr->issBase + sh.iss;
}
- if (efi_symbol == NULL)
+ if (search_symtab != NULL)
{
- /* OK, first find the function. */
-
- s = mylookup_symbol (sh_name, top_stack->cur_block,
- VAR_NAMESPACE, LOC_BLOCK);
+#if 0
+ /* This loses both in the case mentioned (want a static, find a global),
+ but also if we are looking up a non-mangled name which happens to
+ match the name of a mangled function. */
+ /* We have to save the cur_fdr across the call to lookup_symbol.
+ If the pdr is for a static function and if a global function with
+ the same name exists, lookup_symbol will eventually read in the symtab
+ for the global function and clobber cur_fdr. */
+ FDR *save_cur_fdr = cur_fdr;
+ s = lookup_symbol (sh_name, NULL, VAR_NAMESPACE, 0, NULL);
+ cur_fdr = save_cur_fdr;
+#else
+ s = mylookup_symbol
+ (sh_name,
+ BLOCKVECTOR_BLOCK (BLOCKVECTOR (search_symtab), STATIC_BLOCK),
+ VAR_NAMESPACE,
+ LOC_BLOCK);
+#endif
+ }
+ else
+ s = mylookup_symbol (sh_name, top_stack->cur_block,
+ VAR_NAMESPACE, LOC_BLOCK);
- if (s != 0)
- {
- b = SYMBOL_BLOCK_VALUE (s);
- }
- else
- {
- complain (&pdr_for_nonsymbol_complaint, sh_name);
+ if (s != 0)
+ {
+ b = SYMBOL_BLOCK_VALUE (s);
+ }
+ else
+ {
+ complain (&pdr_for_nonsymbol_complaint, sh_name);
#if 1
- return;
+ return;
#else
/* FIXME -- delete. We can't do symbol allocation now; it's all done. */
- s = new_symbol (sh_name);
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
- SYMBOL_CLASS (s) = LOC_BLOCK;
- /* Donno its type, hope int is ok */
- SYMBOL_TYPE (s) = lookup_function_type (builtin_type_int);
- add_symbol (s, top_stack->cur_block);
- /* Wont have symbols for this one */
- b = new_block (2);
- SYMBOL_BLOCK_VALUE (s) = b;
- BLOCK_FUNCTION (b) = s;
- BLOCK_START (b) = pr->adr;
- /* BOUND used to be the end of procedure's text, but the
- argument is no longer passed in. */
- BLOCK_END (b) = bound;
- BLOCK_SUPERBLOCK (b) = top_stack->cur_block;
- add_block (b, top_stack->cur_st);
+ s = new_symbol (sh_name);
+ SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
+ SYMBOL_CLASS (s) = LOC_BLOCK;
+ /* Donno its type, hope int is ok */
+ SYMBOL_TYPE (s) = lookup_function_type (builtin_type_int);
+ add_symbol (s, top_stack->cur_block);
+ /* Wont have symbols for this one */
+ b = new_block (2);
+ SYMBOL_BLOCK_VALUE (s) = b;
+ BLOCK_FUNCTION (b) = s;
+ BLOCK_START (b) = pr->adr;
+ /* BOUND used to be the end of procedure's text, but the
+ argument is no longer passed in. */
+ BLOCK_END (b) = bound;
+ BLOCK_SUPERBLOCK (b) = top_stack->cur_block;
+ add_block (b, top_stack->cur_st);
#endif
- }
-
- efi_symbol = mylookup_symbol
- (MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, LOC_CONST);
}
- if (efi_symbol)
+ i = mylookup_symbol (MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, LOC_CONST);
+
+ if (i)
{
- e = (struct mips_extra_func_info *) SYMBOL_VALUE (efi_symbol);
+ e = (struct mips_extra_func_info *) SYMBOL_VALUE (i);
e->pdr = *pr;
e->pdr.isym = (long) s;
e->pdr.adr += cur_fdr->adr - first_off;
@@ -2458,23 +2473,12 @@ psymtab_to_symtab_1 (pst, filename)
if (processing_gcc_compilation != 0)
{
- /* This symbol table contains stabs-in-ecoff entries. */
-
struct pdr_ext *pdr_ptr;
struct pdr_ext *pdr_end;
int first_pdr;
unsigned long first_off;
- struct cleanup *old_cleanups;
-
- /* Given a symbol index in the symbol file, find the
- MIPS_EFI_SYMBOL_NAME symbol which goes with it. If this is taking
- up too much memory, we could get fancy with hash tables or some
- such. */
- struct symbol **mips_func_info_by_isym;
- mips_func_info_by_isym = (struct symbol **)
- xmalloc (fh->csym * sizeof (*mips_func_info_by_isym));
- old_cleanups = make_cleanup (free, mips_func_info_by_isym);
+ /* This symbol table contains stabs-in-ecoff entries. */
/* Parse local symbols first */
@@ -2515,7 +2519,6 @@ psymtab_to_symtab_1 (pst, filename)
SYMBOL_TYPE (s) = builtin_type_void;
SYMBOL_VALUE (s) = (int) e;
add_symbol_to_list (s, &local_symbols);
- mips_func_info_by_isym[cur_sdx] = s;
}
}
else if (sh.st == stLabel && sh.index != indexNil)
@@ -2553,10 +2556,8 @@ psymtab_to_symtab_1 (pst, filename)
first_off = pr.adr;
first_pdr = 0;
}
- parse_procedure (&pr, mips_func_info_by_isym [pr.isym], first_off);
+ parse_procedure (&pr, st, first_off);
}
-
- do_cleanups (old_cleanups);
}
else
{
@@ -2825,7 +2826,7 @@ mylookup_symbol (name, block, namespace, class)
if (SYMBOL_NAME (sym)[0] == inc
&& SYMBOL_NAMESPACE (sym) == namespace
&& SYMBOL_CLASS (sym) == class
- && strcmp (SYMBOL_NAME (sym), name) == 0)
+ && STREQ (SYMBOL_NAME (sym), name))
return sym;
bot++;
}