diff options
Diffstat (limited to 'gdb/minsyms.c')
| -rw-r--r-- | gdb/minsyms.c | 57 |
1 files changed, 40 insertions, 17 deletions
diff --git a/gdb/minsyms.c b/gdb/minsyms.c index 900364a..6a94e11 100644 --- a/gdb/minsyms.c +++ b/gdb/minsyms.c @@ -474,7 +474,7 @@ lookup_minimal_symbol_solib_trampoline (const char *name, there are text and trampoline symbols at the same address. Otherwise prefer mst_text symbols. */ -static struct minimal_symbol * +static struct bound_minimal_symbol lookup_minimal_symbol_by_pc_section_1 (CORE_ADDR pc, struct obj_section *section, int want_trampoline) @@ -485,6 +485,8 @@ lookup_minimal_symbol_by_pc_section_1 (CORE_ADDR pc, struct objfile *objfile; struct minimal_symbol *msymbol; struct minimal_symbol *best_symbol = NULL; + struct objfile *best_objfile = NULL; + struct bound_minimal_symbol result; enum minimal_symbol_type want_type, other_type; want_type = want_trampoline ? mst_solib_trampoline : mst_text; @@ -690,14 +692,18 @@ lookup_minimal_symbol_by_pc_section_1 (CORE_ADDR pc, SYMBOL_VALUE_ADDRESS (&msymbol[hi])))) { best_symbol = &msymbol[hi]; + best_objfile = objfile; } } } } - return (best_symbol); + + result.minsym = best_symbol; + result.objfile = best_objfile; + return result; } -struct minimal_symbol * +struct bound_minimal_symbol lookup_minimal_symbol_by_pc_section (CORE_ADDR pc, struct obj_section *section) { if (section == NULL) @@ -707,17 +713,31 @@ lookup_minimal_symbol_by_pc_section (CORE_ADDR pc, struct obj_section *section) debugging) always returns NULL making the call somewhat useless. */ section = find_pc_section (pc); if (section == NULL) - return NULL; + { + struct bound_minimal_symbol result; + + memset (&result, 0, sizeof (result)); + return result; + } } return lookup_minimal_symbol_by_pc_section_1 (pc, section, 0); } /* See minsyms.h. */ -struct minimal_symbol * +struct bound_minimal_symbol lookup_minimal_symbol_by_pc (CORE_ADDR pc) { - return lookup_minimal_symbol_by_pc_section (pc, NULL); + struct obj_section *section = find_pc_section (pc); + + if (section == NULL) + { + struct bound_minimal_symbol result; + + memset (&result, 0, sizeof (result)); + return result; + } + return lookup_minimal_symbol_by_pc_section_1 (pc, section, 0); } /* Return non-zero iff PC is in an STT_GNU_IFUNC function resolver. */ @@ -725,9 +745,9 @@ lookup_minimal_symbol_by_pc (CORE_ADDR pc) int in_gnu_ifunc_stub (CORE_ADDR pc) { - struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); + struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); - return msymbol && MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc; + return msymbol.minsym && MSYMBOL_TYPE (msymbol.minsym) == mst_text_gnu_ifunc; } /* See elf_gnu_ifunc_resolve_addr for its real implementation. */ @@ -785,10 +805,10 @@ const struct gnu_ifunc_fns *gnu_ifunc_fns_p = &stub_gnu_ifunc_fns; /* See minsyms.h. */ -struct minimal_symbol * -lookup_minimal_symbol_and_objfile (const char *name, - struct objfile **objfile_p) +struct bound_minimal_symbol +lookup_minimal_symbol_and_objfile (const char *name) { + struct bound_minimal_symbol result; struct objfile *objfile; unsigned int hash = msymbol_hash (name) % MINIMAL_SYMBOL_HASH_SIZE; @@ -802,13 +822,15 @@ lookup_minimal_symbol_and_objfile (const char *name, { if (strcmp (SYMBOL_LINKAGE_NAME (msym), name) == 0) { - *objfile_p = objfile; - return msym; + result.minsym = msym; + result.objfile = objfile; + return result; } } } - return 0; + memset (&result, 0, sizeof (result)); + return result; } @@ -1287,14 +1309,15 @@ static struct minimal_symbol * lookup_solib_trampoline_symbol_by_pc (CORE_ADDR pc) { struct obj_section *section = find_pc_section (pc); - struct minimal_symbol *msymbol; + struct bound_minimal_symbol msymbol; if (section == NULL) return NULL; msymbol = lookup_minimal_symbol_by_pc_section_1 (pc, section, 1); - if (msymbol != NULL && MSYMBOL_TYPE (msymbol) == mst_solib_trampoline) - return msymbol; + if (msymbol.minsym != NULL + && MSYMBOL_TYPE (msymbol.minsym) == mst_solib_trampoline) + return msymbol.minsym; return NULL; } |