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Side by Side Diff: fusl/src/ldso/arm/find_exidx.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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1 #define _GNU_SOURCE 1 #define _GNU_SOURCE
2 #include <link.h> 2 #include <link.h>
3 #include <stdint.h> 3 #include <stdint.h>
4 4
5 struct find_exidx_data { 5 struct find_exidx_data {
6 » uintptr_t pc, exidx_start; 6 uintptr_t pc, exidx_start;
7 » int exidx_len; 7 int exidx_len;
8 }; 8 };
9 9
10 static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr) 10 static int find_exidx(struct dl_phdr_info* info, size_t size, void* ptr) {
11 { 11 struct find_exidx_data* data = ptr;
12 » struct find_exidx_data *data = ptr; 12 const ElfW(Phdr)* phdr = info->dlpi_phdr;
13 » const ElfW(Phdr) *phdr = info->dlpi_phdr; 13 uintptr_t addr, exidx_start = 0;
14 » uintptr_t addr, exidx_start = 0; 14 int i, match = 0, exidx_len = 0;
15 » int i, match = 0, exidx_len = 0;
16 15
17 » for (i = info->dlpi_phnum; i > 0; i--, phdr++) { 16 for (i = info->dlpi_phnum; i > 0; i--, phdr++) {
18 » » addr = info->dlpi_addr + phdr->p_vaddr; 17 addr = info->dlpi_addr + phdr->p_vaddr;
19 » » switch (phdr->p_type) { 18 switch (phdr->p_type) {
20 » » case PT_LOAD: 19 case PT_LOAD:
21 » » » match |= data->pc >= addr && data->pc < addr + phdr->p_m emsz; 20 match |= data->pc >= addr && data->pc < addr + phdr->p_memsz;
22 » » » break; 21 break;
23 » » case PT_ARM_EXIDX: 22 case PT_ARM_EXIDX:
24 » » » exidx_start = addr; 23 exidx_start = addr;
25 » » » exidx_len = phdr->p_memsz; 24 exidx_len = phdr->p_memsz;
26 » » » break; 25 break;
27 » » } 26 }
28 » } 27 }
29 » data->exidx_start = exidx_start; 28 data->exidx_start = exidx_start;
30 » data->exidx_len = exidx_len; 29 data->exidx_len = exidx_len;
31 » return match; 30 return match;
32 } 31 }
33 32
34 uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount) 33 uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int* pcount) {
35 { 34 struct find_exidx_data data;
36 » struct find_exidx_data data; 35 data.pc = pc;
37 » data.pc = pc; 36 if (dl_iterate_phdr(find_exidx, &data) <= 0)
38 » if (dl_iterate_phdr(find_exidx, &data) <= 0) 37 return 0;
39 » » return 0; 38 *pcount = data.exidx_len / 8;
40 » *pcount = data.exidx_len / 8; 39 return data.exidx_start;
41 » return data.exidx_start;
42 } 40 }
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