diff options
Diffstat (limited to 'gdb/blockframe.c')
| -rw-r--r-- | gdb/blockframe.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/gdb/blockframe.c b/gdb/blockframe.c index 5bc5930..3b546a7 100644 --- a/gdb/blockframe.c +++ b/gdb/blockframe.c @@ -163,6 +163,7 @@ static CORE_ADDR cache_pc_function_low = 0; static CORE_ADDR cache_pc_function_high = 0; static char *cache_pc_function_name = 0; static struct obj_section *cache_pc_function_section = NULL; +static int cache_pc_function_is_gnu_ifunc = 0; /* Clear cache, e.g. when symbol table is discarded. */ @@ -173,6 +174,7 @@ clear_pc_function_cache (void) cache_pc_function_high = 0; cache_pc_function_name = (char *) 0; cache_pc_function_section = NULL; + cache_pc_function_is_gnu_ifunc = 0; } /* Finds the "function" (text symbol) that is smaller than PC but @@ -180,17 +182,19 @@ clear_pc_function_cache (void) *NAME and/or *ADDRESS conditionally if that pointer is non-null. If ENDADDR is non-null, then set *ENDADDR to be the end of the function (exclusive), but passing ENDADDR as non-null means that - the function might cause symbols to be read. This function either - succeeds or fails (not halfway succeeds). If it succeeds, it sets - *NAME, *ADDRESS, and *ENDADDR to real information and returns 1. - If it fails, it sets *NAME, *ADDRESS, and *ENDADDR to zero and - returns 0. */ + the function might cause symbols to be read. If IS_GNU_IFUNC_P is provided + *IS_GNU_IFUNC_P is set to 1 on return if the function is STT_GNU_IFUNC. + This function either succeeds or fails (not halfway succeeds). If it + succeeds, it sets *NAME, *ADDRESS, and *ENDADDR to real information and + returns 1. If it fails, it sets *NAME, *ADDRESS, *ENDADDR and + *IS_GNU_IFUNC_P to zero and returns 0. */ /* Backward compatibility, no section argument. */ int -find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address, - CORE_ADDR *endaddr) +find_pc_partial_function_gnu_ifunc (CORE_ADDR pc, char **name, + CORE_ADDR *address, CORE_ADDR *endaddr, + int *is_gnu_ifunc_p) { struct obj_section *section; struct symbol *f; @@ -240,6 +244,7 @@ find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address, cache_pc_function_high = BLOCK_END (SYMBOL_BLOCK_VALUE (f)); cache_pc_function_name = SYMBOL_LINKAGE_NAME (f); cache_pc_function_section = section; + cache_pc_function_is_gnu_ifunc = TYPE_GNU_IFUNC (SYMBOL_TYPE (f)); goto return_cached_value; } } @@ -262,12 +267,15 @@ find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address, *address = 0; if (endaddr != NULL) *endaddr = 0; + if (is_gnu_ifunc_p != NULL) + *is_gnu_ifunc_p = 0; return 0; } cache_pc_function_low = SYMBOL_VALUE_ADDRESS (msymbol); cache_pc_function_name = SYMBOL_LINKAGE_NAME (msymbol); cache_pc_function_section = section; + cache_pc_function_is_gnu_ifunc = MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc; /* If the minimal symbol has a size, use it for the cache. Otherwise use the lesser of the next minimal symbol in the same @@ -330,9 +338,22 @@ find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address, *endaddr = cache_pc_function_high; } + if (is_gnu_ifunc_p) + *is_gnu_ifunc_p = cache_pc_function_is_gnu_ifunc; + return 1; } +/* See find_pc_partial_function_gnu_ifunc, only the IS_GNU_IFUNC_P parameter + is omitted here for backward API compatibility. */ + +int +find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address, + CORE_ADDR *endaddr) +{ + return find_pc_partial_function_gnu_ifunc (pc, name, address, endaddr, NULL); +} + /* Return the innermost stack frame executing inside of BLOCK, or NULL if there is no such frame. If BLOCK is NULL, just return NULL. */ |