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Side by Side Diff: fusl/src/ldso/dl_iterate_phdr.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 #include <elf.h> 1 #include <elf.h>
2 #include <link.h> 2 #include <link.h>
3 #include "libc.h" 3 #include "libc.h"
4 4
5 #define AUX_CNT 38 5 #define AUX_CNT 38
6 6
7 static int static_dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size _t size, void *data), void *data) 7 static int static_dl_iterate_phdr(int (*callback)(struct dl_phdr_info* info,
8 { 8 size_t size,
9 » unsigned char *p; 9 void* data),
10 » ElfW(Phdr) *phdr, *tls_phdr=0; 10 void* data) {
11 » size_t base = 0; 11 unsigned char* p;
12 » size_t n; 12 ElfW(Phdr) * phdr, *tls_phdr = 0;
13 » struct dl_phdr_info info; 13 size_t base = 0;
14 » size_t i, aux[AUX_CNT]; 14 size_t n;
15 struct dl_phdr_info info;
16 size_t i, aux[AUX_CNT];
15 17
16 » for (i=0; libc.auxv[i]; i+=2) 18 for (i = 0; libc.auxv[i]; i += 2)
17 » » if (libc.auxv[i]<AUX_CNT) aux[libc.auxv[i]] = libc.auxv[i+1]; 19 if (libc.auxv[i] < AUX_CNT)
20 aux[libc.auxv[i]] = libc.auxv[i + 1];
18 21
19 » for (p=(void *)aux[AT_PHDR],n=aux[AT_PHNUM]; n; n--,p+=aux[AT_PHENT]) { 22 for (p = (void*)aux[AT_PHDR], n = aux[AT_PHNUM]; n; n--, p += aux[AT_PHENT]) {
20 » » phdr = (void *)p; 23 phdr = (void*)p;
21 » » if (phdr->p_type == PT_PHDR) 24 if (phdr->p_type == PT_PHDR)
22 » » » base = aux[AT_PHDR] - phdr->p_vaddr; 25 base = aux[AT_PHDR] - phdr->p_vaddr;
23 » » if (phdr->p_type == PT_TLS) 26 if (phdr->p_type == PT_TLS)
24 » » » tls_phdr = phdr; 27 tls_phdr = phdr;
25 » } 28 }
26 » info.dlpi_addr = base; 29 info.dlpi_addr = base;
27 » info.dlpi_name = "/proc/self/exe"; 30 info.dlpi_name = "/proc/self/exe";
28 » info.dlpi_phdr = (void *)aux[AT_PHDR]; 31 info.dlpi_phdr = (void*)aux[AT_PHDR];
29 » info.dlpi_phnum = aux[AT_PHNUM]; 32 info.dlpi_phnum = aux[AT_PHNUM];
30 » info.dlpi_adds = 0; 33 info.dlpi_adds = 0;
31 » info.dlpi_subs = 0; 34 info.dlpi_subs = 0;
32 » if (tls_phdr) { 35 if (tls_phdr) {
33 » » info.dlpi_tls_modid = 1; 36 info.dlpi_tls_modid = 1;
34 » » info.dlpi_tls_data = (void *)(base + tls_phdr->p_vaddr); 37 info.dlpi_tls_data = (void*)(base + tls_phdr->p_vaddr);
35 » } else { 38 } else {
36 » » info.dlpi_tls_modid = 0; 39 info.dlpi_tls_modid = 0;
37 » » info.dlpi_tls_data = 0; 40 info.dlpi_tls_data = 0;
38 » } 41 }
39 » return (callback)(&info, sizeof (info), data); 42 return (callback)(&info, sizeof(info), data);
40 } 43 }
41 44
42 weak_alias(static_dl_iterate_phdr, dl_iterate_phdr); 45 weak_alias(static_dl_iterate_phdr, dl_iterate_phdr);
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