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authorMark Kettenis <kettenis@gnu.org>2000-08-07 10:56:22 +0000
committerMark Kettenis <kettenis@gnu.org>2000-08-07 10:56:22 +0000
commit8554b7d530743b6f61cf27f58167e1a8d6699f43 (patch)
tree83e5a536011715d99d9732e15cee41842e18a36c
parent89727b6fbf33f119332b50e906fde555716ac51a (diff)
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* solib.c (bfd_lookup_symbol): Fall back on the dynamic symbol
table if the symbol couldn't be found in the normal symbol table (i.e. if the shared object in question was stripped).
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/solib.c32
2 files changed, 36 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0c47be7..aad8daa 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2000-05-21 Mark Kettenis <kettenis@gnu.org>
+
+ * solib.c (bfd_lookup_symbol): Fall back on the dynamic symbol
+ table if the symbol couldn't be found in the normal symbol table
+ (i.e. if the shared object in question was stripped).
+
2000-08-06 Kevin Buettner <kevinb@redhat.com>
* ch-exp.c (parse_opt_name_string): Protoize. [Thanks to Eli
diff --git a/gdb/solib.c b/gdb/solib.c
index b6cfcaa..a957411 100644
--- a/gdb/solib.c
+++ b/gdb/solib.c
@@ -1,5 +1,5 @@
/* Handle SunOS and SVR4 shared libraries for GDB, the GNU Debugger.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 98, 1999
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 98, 1999, 2000
Free Software Foundation, Inc.
This file is part of GDB.
@@ -528,7 +528,35 @@ bfd_lookup_symbol (bfd *abfd, char *symname)
}
do_cleanups (back_to);
}
- return (symaddr);
+
+ if (symaddr)
+ return symaddr;
+
+ /* On FreeBSD, the dynamic linker is stripped by default. So we'll
+ have to check 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 (free, (PTR) symbol_table);
+ number_of_symbols = bfd_canonicalize_dynamic_symtab (abfd, symbol_table);
+
+ for (i = 0; i < number_of_symbols; i++)
+ {
+ sym = *symbol_table++;
+ if (STREQ (sym->name, symname))
+ {
+ /* Bfd symbols are section relative. */
+ symaddr = sym->value + sym->section->vma;
+ break;
+ }
+ }
+ do_cleanups (back_to);
+ }
+
+ return symaddr;
}
#ifdef HANDLE_SVR4_EXEC_EMULATORS