diff options
Diffstat (limited to 'gdb/elfread.c')
| -rw-r--r-- | gdb/elfread.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gdb/elfread.c b/gdb/elfread.c index e90466b..84355cf 100644 --- a/gdb/elfread.c +++ b/gdb/elfread.c @@ -46,6 +46,7 @@ #include "gdb_bfd.h" #include "build-id.h" #include "location.h" +#include "auxv.h" extern void _initialize_elfread (void); @@ -860,6 +861,8 @@ elf_gnu_ifunc_resolve_addr (struct gdbarch *gdbarch, CORE_ADDR pc) CORE_ADDR start_at_pc, address; struct type *func_func_type = builtin_type (gdbarch)->builtin_func_func; struct value *function, *address_val; + CORE_ADDR hwcap = 0; + struct value *hwcap_val; /* Try first any non-intrusive methods without an inferior call. */ @@ -875,10 +878,14 @@ elf_gnu_ifunc_resolve_addr (struct gdbarch *gdbarch, CORE_ADDR pc) function = allocate_value (func_func_type); set_value_address (function, pc); - /* STT_GNU_IFUNC resolver functions have no parameters. FUNCTION is the - function entry address. ADDRESS may be a function descriptor. */ + /* STT_GNU_IFUNC resolver functions usually receive the HWCAP vector as + parameter. FUNCTION is the function entry address. ADDRESS may be a + function descriptor. */ - address_val = call_function_by_hand (function, 0, NULL); + target_auxv_search (¤t_target, AT_HWCAP, &hwcap); + hwcap_val = value_from_longest (builtin_type (gdbarch) + ->builtin_unsigned_long, hwcap); + address_val = call_function_by_hand (function, 1, &hwcap_val); address = value_as_address (address_val); address = gdbarch_convert_from_func_ptr_addr (gdbarch, address, ¤t_target); |