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author | Yao Qi <yao@codesourcery.com> | 2011-08-30 02:48:05 +0000 |
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committer | Yao Qi <yao@codesourcery.com> | 2011-08-30 02:48:05 +0000 |
commit | cb457ae2842770922180ce15b4885ff7b224bf95 (patch) | |
tree | 5a9c61c90c03d02339fe5a3926632370f9a462be /gdb/solib-frv.c | |
parent | 83d1a36ae4e69a3bc19f9aae6c009e7d91d31ad6 (diff) | |
download | gdb-cb457ae2842770922180ce15b4885ff7b224bf95.zip gdb-cb457ae2842770922180ce15b4885ff7b224bf95.tar.gz gdb-cb457ae2842770922180ce15b4885ff7b224bf95.tar.bz2 |
gdb/
* solib-dsbt.c (bfd_lookup_symbol): Removed.
(cmp_name): New.
(enable_break2): Update caller.
* solib-frv.c (bfd_lookup_symbol): Removed.
(cmp_name): New.
(enable_break2): Update caller.
* solib-pa64.c (bfd_lookup_symbol): Removed.
(cmp_name): New.
* solib-svr4.c (bfd_lookup_symbol): Removed.
(cmp_name_and_sec_flags): New.
(enable_break): Update caller.
* solib.c (gdb_bfd_lookup_symbol_from_symtab): New.
(gdb_bfd_lookup_symbol_from_dyn_symtab): New.
(gdb_bfd_lookup_symbol): New.
* solib.h: Functions declarations.
Diffstat (limited to 'gdb/solib-frv.c')
-rw-r--r-- | gdb/solib-frv.c | 82 |
1 files changed, 10 insertions, 72 deletions
diff --git a/gdb/solib-frv.c b/gdb/solib-frv.c index e1c16d9..acb35a2 100644 --- a/gdb/solib-frv.c +++ b/gdb/solib-frv.c @@ -239,77 +239,6 @@ static void frv_relocate_main_executable (void); static CORE_ADDR main_got (void); static int enable_break2 (void); -/* Lookup the value for a specific symbol. - - An expensive way to lookup the value of a single symbol for - bfd's that are only temporary anyway. This is used by the - shared library support to find the address of the debugger - interface structures in the shared library. - - Note that 0 is specifically allowed as an error return (no - such symbol). */ - -static CORE_ADDR -bfd_lookup_symbol (bfd *abfd, char *symname) -{ - long storage_needed; - asymbol *sym; - asymbol **symbol_table; - unsigned int number_of_symbols; - unsigned int i; - struct cleanup *back_to; - CORE_ADDR symaddr = 0; - - storage_needed = bfd_get_symtab_upper_bound (abfd); - - if (storage_needed > 0) - { - symbol_table = (asymbol **) xmalloc (storage_needed); - back_to = make_cleanup (xfree, symbol_table); - number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table); - - for (i = 0; i < number_of_symbols; i++) - { - sym = *symbol_table++; - if (strcmp (sym->name, symname) == 0) - { - /* Bfd symbols are section relative. */ - symaddr = sym->value + sym->section->vma; - break; - } - } - do_cleanups (back_to); - } - - if (symaddr) - return symaddr; - - /* Look for the symbol in the dynamic string table too. */ - - storage_needed = bfd_get_dynamic_symtab_upper_bound (abfd); - - if (storage_needed > 0) - { - symbol_table = (asymbol **) xmalloc (storage_needed); - back_to = make_cleanup (xfree, symbol_table); - number_of_symbols = bfd_canonicalize_dynamic_symtab (abfd, symbol_table); - - for (i = 0; i < number_of_symbols; i++) - { - sym = *symbol_table++; - if (strcmp (sym->name, symname) == 0) - { - /* Bfd symbols are section relative. */ - symaddr = sym->value + sym->section->vma; - break; - } - } - do_cleanups (back_to); - } - - return symaddr; -} - /* Implement the "open_symbol_file_object" target_so_ops method. */ static int @@ -554,6 +483,14 @@ enable_break_failure_warning (void) "and track explicitly loaded dynamic code.")); } +/* Helper function for gdb_bfd_lookup_symbol. */ + +static int +cmp_name (asymbol *sym, void *data) +{ + return (strcmp (sym->name, (const char *) data) == 0); +} + /* Arrange for dynamic linker to hit breakpoint. The dynamic linkers has, as part of its debugger interface, support @@ -680,7 +617,8 @@ enable_break2 (void) interp_plt_sect_low + bfd_section_size (tmp_bfd, interp_sect); } - addr = bfd_lookup_symbol (tmp_bfd, "_dl_debug_addr"); + addr = gdb_bfd_lookup_symbol (tmp_bfd, cmp_name, "_dl_debug_addr"); + if (addr == 0) { warning (_("Could not find symbol _dl_debug_addr " |