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Diffstat (limited to 'arch/arm/src/find_exidx.c')
-rw-r--r--arch/arm/src/find_exidx.c42
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;
-}