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Diffstat (limited to 'nptl_db/td_symbol_list.c')
-rw-r--r--nptl_db/td_symbol_list.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/nptl_db/td_symbol_list.c b/nptl_db/td_symbol_list.c
index 061767eb74..5d6c94e5b7 100644
--- a/nptl_db/td_symbol_list.c
+++ b/nptl_db/td_symbol_list.c
@@ -23,6 +23,12 @@
#include "thread_dbP.h"
+#ifdef HAVE_ASM_GLOBAL_DOT_NAME
+# define DOT "." /* PPC64 requires . prefix on code symbols. */
+#else
+# define DOT /* No prefix. */
+#endif
+
static const char *symbol_list_arr[] =
{
# define DB_STRUCT(type) \
@@ -31,11 +37,14 @@ static const char *symbol_list_arr[] =
[SYM_##type##_FIELD_##field] = "_thread_db_" #type "_" #field,
# define DB_SYMBOL(name) \
[SYM_##name] = #name,
+# define DB_FUNCTION(name) \
+ [SYM_##name] = DOT #name,
# define DB_VARIABLE(name) \
[SYM_##name] = #name, \
[SYM_DESC_##name] = "_thread_db_" #name,
# include "structs.def"
# undef DB_STRUCT
+# undef DB_FUNCTION
# undef DB_SYMBOL
# undef DB_VARIABLE
@@ -59,6 +68,18 @@ td_symbol_list (void)
ps_err_e
td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr)
{
+ ps_err_e result;
assert (idx >= 0 && idx < SYM_NUM_MESSAGES);
- return ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx], sym_addr);
+ result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx],
+ sym_addr);
+
+#ifdef HAVE_ASM_GLOBAL_DOT_NAME
+ /* For PowerPC, 64-bit uses dot symbols but 32-bit does not.
+ We could be a 64-bit libthread_db debugging a 32-bit libpthread. */
+ if (result == PS_NOSYM && symbol_list_arr[idx][0] == '.')
+ result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, &symbol_list_arr[idx][1],
+ sym_addr);
+#endif
+
+ return result;
}