diff options
Diffstat (limited to 'arch/arm/src/find_exidx.c')
-rw-r--r-- | arch/arm/src/find_exidx.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/arm/src/find_exidx.c b/arch/arm/src/find_exidx.c deleted file mode 100644 index 77c4472b..00000000 --- a/arch/arm/src/find_exidx.c +++ /dev/null @@ -1,42 +0,0 @@ -#define _GNU_SOURCE -#include <link.h> -#include <stdint.h> - -struct find_exidx_data { - uintptr_t pc, exidx_start; - int exidx_len; -}; - -static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr) -{ - struct find_exidx_data *data = ptr; - const ElfW(Phdr) *phdr = info->dlpi_phdr; - uintptr_t addr, exidx_start = 0; - int i, match = 0, exidx_len = 0; - - for (i = info->dlpi_phnum; i > 0; i--, phdr++) { - addr = info->dlpi_addr + phdr->p_vaddr; - switch (phdr->p_type) { - case PT_LOAD: - match |= data->pc >= addr && data->pc < addr + phdr->p_memsz; - break; - case PT_ARM_EXIDX: - exidx_start = addr; - exidx_len = phdr->p_memsz; - break; - } - } - data->exidx_start = exidx_start; - data->exidx_len = exidx_len; - return match; -} - -uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount) -{ - struct find_exidx_data data; - data.pc = pc; - if (dl_iterate_phdr(find_exidx, &data) <= 0) - return 0; - *pcount = data.exidx_len / 8; - return data.exidx_start; -} |