projects / wasi-libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 320054e8 DG |
1 | #ifndef _INTERNAL_RELOC_H |
| 2 | #define _INTERNAL_RELOC_H | |
| 3 | ||
| 4 | #include <features.h> | |
| 5 | #include <elf.h> | |
| 6 | #include <stdint.h> | |
| 7 | #include <stddef.h> | |
| 8 | #include <stdarg.h> | |
| 9 | ||
| 10 | #if UINTPTR_MAX == 0xffffffff | |
| 11 | typedef Elf32_Ehdr Ehdr; | |
| 12 | typedef Elf32_Phdr Phdr; | |
| 13 | typedef Elf32_Sym Sym; | |
| 14 | #define R_TYPE(x) ((x)&255) | |
| 15 | #define R_SYM(x) ((x)>>8) | |
| 16 | #define R_INFO ELF32_R_INFO | |
| 17 | #else | |
| 18 | typedef Elf64_Ehdr Ehdr; | |
| 19 | typedef Elf64_Phdr Phdr; | |
| 20 | typedef Elf64_Sym Sym; | |
| 21 | #define R_TYPE(x) ((x)&0x7fffffff) | |
| 22 | #define R_SYM(x) ((x)>>32) | |
| 23 | #define R_INFO ELF64_R_INFO | |
| 24 | #endif | |
| 25 | ||
| 26 | /* These enum constants provide unmatchable default values for | |
| 27 | * any relocation type the arch does not use. */ | |
| 28 | enum { | |
| 29 | REL_NONE = 0, | |
| 30 | REL_SYMBOLIC = -100, | |
| 79a9b408 | 31 | REL_USYMBOLIC, |
| 320054e8 DG |
32 | REL_GOT, |
| 33 | REL_PLT, | |
| 34 | REL_RELATIVE, | |
| 35 | REL_OFFSET, | |
| 36 | REL_OFFSET32, | |
| 37 | REL_COPY, | |
| 38 | REL_SYM_OR_REL, | |
| 39 | REL_DTPMOD, | |
| 40 | REL_DTPOFF, | |
| 41 | REL_TPOFF, | |
| 42 | REL_TPOFF_NEG, | |
| 43 | REL_TLSDESC, | |
| 44 | REL_FUNCDESC, | |
| 45 | REL_FUNCDESC_VAL, | |
| 46 | }; | |
| 47 | ||
| 48 | struct fdpic_loadseg { | |
| 49 | uintptr_t addr, p_vaddr, p_memsz; | |
| 50 | }; | |
| 51 | ||
| 52 | struct fdpic_loadmap { | |
| 53 | unsigned short version, nsegs; | |
| 54 | struct fdpic_loadseg segs[]; | |
| 55 | }; | |
| 56 | ||
| 57 | struct fdpic_dummy_loadmap { | |
| 58 | unsigned short version, nsegs; | |
| 59 | struct fdpic_loadseg segs[1]; | |
| 60 | }; | |
| 61 | ||
| 62 | #include "reloc.h" | |
| 63 | ||
| 64 | #ifndef FDPIC_CONSTDISP_FLAG | |
| 65 | #define FDPIC_CONSTDISP_FLAG 0 | |
| 66 | #endif | |
| 67 | ||
| 68 | #ifndef DL_FDPIC | |
| 69 | #define DL_FDPIC 0 | |
| 70 | #endif | |
| 71 | ||
| 72 | #ifndef DL_NOMMU_SUPPORT | |
| 73 | #define DL_NOMMU_SUPPORT 0 | |
| 74 | #endif | |
| 75 | ||
| 76 | #if !DL_FDPIC | |
| 77 | #define IS_RELATIVE(x,s) ( \ | |
| 78 | (R_TYPE(x) == REL_RELATIVE) || \ | |
| 79 | (R_TYPE(x) == REL_SYM_OR_REL && !R_SYM(x)) ) | |
| 80 | #else | |
| 81 | #define IS_RELATIVE(x,s) ( ( \ | |
| 82 | (R_TYPE(x) == REL_FUNCDESC_VAL) || \ | |
| 83 | (R_TYPE(x) == REL_SYMBOLIC) ) \ | |
| 84 | && (((s)[R_SYM(x)].st_info & 0xf) == STT_SECTION) ) | |
| 85 | #endif | |
| 86 | ||
| 87 | #ifndef NEED_MIPS_GOT_RELOCS | |
| 88 | #define NEED_MIPS_GOT_RELOCS 0 | |
| 89 | #endif | |
| 90 | ||
| 91 | #ifndef DT_DEBUG_INDIRECT | |
| 92 | #define DT_DEBUG_INDIRECT 0 | |
| 93 | #endif | |
| 94 | ||
| 95 | #define AUX_CNT 32 | |
| 96 | #define DYN_CNT 32 | |
| 97 | ||
| 98 | typedef void (*stage2_func)(unsigned char *, size_t *); | |
| d4db3fa2 | 99 | typedef void (*stage3_func)(size_t *); |
| 320054e8 DG |
100 | |
| 101 | hidden void *__dlsym(void *restrict, const char *restrict, void *restrict); | |
| 102 | ||
| 103 | hidden void __dl_seterr(const char *, ...); | |
| 104 | hidden int __dl_invalid_handle(void *); | |
| 105 | hidden void __dl_vseterr(const char *, va_list); | |
| 106 | ||
| 107 | hidden ptrdiff_t __tlsdesc_static(), __tlsdesc_dynamic(); | |
| 108 | ||
| 109 | #endif |