diff options
author | Dale Rahn <drahn@cvs.openbsd.org> | 2006-11-10 21:19:55 +0000 |
---|---|---|
committer | Dale Rahn <drahn@cvs.openbsd.org> | 2006-11-10 21:19:55 +0000 |
commit | ce8c5f1f3c6b816cb7f5f996cbdf1f1d950a7792 (patch) | |
tree | f17583ed8b27f2ed50079e45cad6c3254c4bd25e | |
parent | ad1e175683d1623277294c81bb4c147ba30a6e82 (diff) |
Getting much closer.
-rw-r--r-- | libexec/ld.so/loader.c | 4 | ||||
-rw-r--r-- | libexec/ld.so/sh/ldasm.S | 71 | ||||
-rw-r--r-- | libexec/ld.so/sh/rtld_machine.c | 543 |
3 files changed, 545 insertions, 73 deletions
diff --git a/libexec/ld.so/loader.c b/libexec/ld.so/loader.c index 09b6add6275..272e6fad18d 100644 --- a/libexec/ld.so/loader.c +++ b/libexec/ld.so/loader.c @@ -1,4 +1,4 @@ -/* $OpenBSD: loader.c,v 1.105 2006/11/10 07:44:58 drahn Exp $ */ +/* $OpenBSD: loader.c,v 1.106 2006/11/10 21:19:54 drahn Exp $ */ /* * Copyright (c) 1998 Per Fogelstrom, Opsycon AB @@ -623,7 +623,7 @@ _dl_boot_bind(const long sp, long *dl_data, Elf_Dyn *dynamicp) #if defined(__alpha__) dynp = (Elf_Dyn *)((long)_DYNAMIC); #elif defined(__sparc__) || defined(__sparc64__) || defined(__powerpc__) || \ - defined(__hppa__) + defined(__hppa__) || defined(__sh__) dynp = dynamicp; #else dynp = (Elf_Dyn *)((long)_DYNAMIC + loff); diff --git a/libexec/ld.so/sh/ldasm.S b/libexec/ld.so/sh/ldasm.S index 7082f02e0d2..ed7ea5674c2 100644 --- a/libexec/ld.so/sh/ldasm.S +++ b/libexec/ld.so/sh/ldasm.S @@ -1,7 +1,7 @@ -/* $OpenBSD: ldasm.S,v 1.1 2006/11/10 07:44:58 drahn Exp $ */ +/* $OpenBSD: ldasm.S,v 1.2 2006/11/10 21:19:54 drahn Exp $ */ /* - * Copyright (c) 2004 Dale Rahn + * Copyright (c) 2006 Dale Rahn * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -26,43 +26,82 @@ * */ -#define DL_DATA_SIZE (16 * 4) /* XXX */ +/* + * correct size is 16 * 4 but the 4096 is because of a stack corruption + * bug that I couldn't find. + */ + +#define DL_DATA_SIZE (4096 + 16 * 4) /* XXX */ #include <machine/asm.h> #include <sys/syscall.h> #include <SYS.h> ENTRY(_dl_start) - mov r15, r8 // save for later - mov r15,r14 - sts pr, r10 + mov r15, r12 // save for later + sts pr, r11 mov r15, r4 // boot_bind(sp, dl_data) (sp) mov.l .L_datasize, r0 sub r0, r15 mov r15, r5 - add #4, r5 - mov r5, r9 + mov r5, r13 + // not trusting register to store the data, push it on the stack. + // callee/caller save questions +// mov.l r13,@-r15 // save dl_data +// mov.l r12,@-r15 // save original sp +// mov.l r11,@-r15 // save pr + + mov r15, r14 + + mova .L_call_boot_bind, r0 + mov #0, r0 + bsrf r0 + nop +.L_offbase: + sts pr, r0 + mov.l .L_dynamic, r6 + add r0, r6 + mov r14, r15 + mov r15, r14 mov.l .L_boot_bind, r0 bsrf r0 nop .L_call_boot_bind: - mov r8, r4 +// mov.l @r15+, r11 +// mov.l @r15+, r12 +// mov.l @r15+, r13 + mov r12, r4 add #4, r4 - mov.l @r8, r5 //loads argc + mov.l @r12, r5 //loads argc add #2, r5 shll2 r5 - add r8, r5 - mov r9, r6 + add r12, r5 // calc argv + +#if 0 + mov r13, r7 + mov #24, r0 // WTF? + sub r0, r7 +#else + mov r13, r7 +#endif + mov r7, r6 mov.l .L_loff, r0 add r0, r6 + mov.l @r6, r6 + mov.l .L_boot, r0 - mov r9, r7 - mov r8, r15 +// mov.l r13,@-r15 // save dl_data +// mov.l r12,@-r15 // save original sp +// mov.l r11,@-r15 // save pr + mov r12, r15 bsrf r0 nop .L_call_boot: mov r14, r15 - lds r10, pr +// mov.l @r15+, r11 +// mov.l @r15+, r12 +// mov.l @r15+, r13 + lds r11, pr jmp @r0 .align 2 @@ -72,6 +111,8 @@ ENTRY(_dl_start) .long _dl_boot-.L_call_boot .L_datasize: .long 4+4+DL_DATA_SIZE +.L_dynamic: + .long _DYNAMIC-.L_offbase .L_loff: .long 7*4 .size _dl_start, .-dl_start diff --git a/libexec/ld.so/sh/rtld_machine.c b/libexec/ld.so/sh/rtld_machine.c index 5922ddd73fd..fed80751f66 100644 --- a/libexec/ld.so/sh/rtld_machine.c +++ b/libexec/ld.so/sh/rtld_machine.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rtld_machine.c,v 1.1 2006/11/10 07:44:58 drahn Exp $ */ +/* $OpenBSD: rtld_machine.c,v 1.2 2006/11/10 21:19:54 drahn Exp $ */ /* * Copyright (c) 2004 Dale Rahn @@ -27,6 +27,7 @@ */ #define _DYN_LOADER +#define LDSO_ARCH_IS_RELA_ #include <sys/types.h> #include <sys/mman.h> @@ -51,6 +52,7 @@ Elf_Addr _dl_bind(elf_object_t *object, int reloff); #define _RF_SZ(s) (((s) & 0xff) << 8) /* memory target size */ #define _RF_RS(s) ((s) & 0xff) /* right shift */ static int reloc_target_flags[] = { +#if 0 0, /* 0 NONE */ _RF_S|_RF_P|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 1 PC24 */ _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 2 ABS32 */ @@ -94,6 +96,267 @@ static int reloc_target_flags[] = { _RF_E, /* 40 V4BX */ _RF_E, /* 41 STKCHK */ _RF_E /* 42 TSTKCHK */ + +#endif + 0, /* 0 R_SH_NONE */ + _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 1 R_SH_DIR32 */ + _RF_S|_RF_P|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 2 REL32 */ + _RF_E, /* 3 R_SH_DIR8WPN */ + _RF_E, /* 4 R_SH_IND12W */ + _RF_E, /* 5 R_SH_DIR8WPL */ + _RF_E, /* 6 R_SH_DIR8WPZ */ + _RF_E, /* 7 R_SH_DIR8BP */ + _RF_E, /* 8 R_SH_DIR8W */ + _RF_E, /* 9 R_SH_DIR8L */ + _RF_E, /* 10 R_SH_LOOP_START */ + _RF_E, /* 11 R_SH_LOOP_END */ + _RF_E, /* 12 Unused */ + _RF_E, /* 13 Unused */ + _RF_E, /* 14 Unused */ + _RF_E, /* 15 Unused */ + _RF_E, /* 16 Unused */ + _RF_E, /* 17 Unused */ + _RF_E, /* 18 Unused */ + _RF_E, /* 19 Unused */ + _RF_E, /* 20 Unused */ + _RF_E, /* 21 Unused */ + _RF_E, /* 22 R_SH_GNU_VTINHERIT */ + _RF_E, /* 23 R_SH_GNU_VTENTRY */ + _RF_E, /* 24 R_SH_SWITCH8 */ + _RF_E, /* 25 R_SH_SWITCH16 */ + _RF_E, /* 26 R_SH_SWITCH32 */ + _RF_E, /* 27 R_SH_USES */ + _RF_E, /* 28 R_SH_COUNT */ + _RF_E, /* 29 R_SH_ALIGN */ + _RF_E, /* 30 R_SH_CODE */ + _RF_E, /* 31 R_SH_DATA */ + _RF_E, /* 32 R_SH_LABEL */ + _RF_E, /* 33 R_SH_DIR16 */ + _RF_E, /* 34 R_SH_DIR8 */ + _RF_E, /* 35 R_SH_DIR8UL */ + _RF_E, /* 36 R_SH_DIR8UW */ + _RF_E, /* 37 R_SH_DIR8U */ + _RF_E, /* 38 R_SH_DIR8SW */ + _RF_E, /* 39 R_SH_DIR8S */ + _RF_E, /* 40 R_SH_DIR4UL */ + _RF_E, /* 41 R_SH_DIR4UW */ + _RF_E, /* 42 R_SH_DIR4U */ + _RF_E, /* 43 R_SH_PSHA */ + _RF_E, /* 44 R_SH_PSHL */ + _RF_E, /* 45 R_SH_DIR5U */ + _RF_E, /* 46 R_SH_DIR6U */ + _RF_E, /* 47 R_SH_DIR6S */ + _RF_E, /* 48 R_SH_DIR10S */ + _RF_E, /* 49 R_SH_DIR10SW */ + _RF_E, /* 50 R_SH_DIR10SL */ + _RF_E, /* 51 R_SH_DIR10SQ */ + _RF_E, /* 52 XXXX */ + _RF_E, /* 53 R_SH_DIR16S */ + _RF_E, /* 54 Unused */ + _RF_E, /* 55 Unused */ + _RF_E, /* 56 Unused */ + _RF_E, /* 57 Unused */ + _RF_E, /* 58 Unused */ + _RF_E, /* 59 Unused */ + _RF_E, /* 60 Unused */ + _RF_E, /* 61 Unused */ + _RF_E, /* 62 Unused */ + _RF_E, /* 63 Unused */ + _RF_E, /* 64 Unused */ + _RF_E, /* 65 Unused */ + _RF_E, /* 66 Unused */ + _RF_E, /* 67 Unused */ + _RF_E, /* 68 Unused */ + _RF_E, /* 69 Unused */ + _RF_E, /* 70 Unused */ + _RF_E, /* 71 Unused */ + _RF_E, /* 72 Unused */ + _RF_E, /* 73 Unused */ + _RF_E, /* 74 Unused */ + _RF_E, /* 75 Unused */ + _RF_E, /* 76 Unused */ + _RF_E, /* 77 Unused */ + _RF_E, /* 78 Unused */ + _RF_E, /* 79 Unused */ + _RF_E, /* 80 Unused */ + _RF_E, /* 81 Unused */ + _RF_E, /* 82 Unused */ + _RF_E, /* 83 Unused */ + _RF_E, /* 84 Unused */ + _RF_E, /* 85 Unused */ + _RF_E, /* 86 Unused */ + _RF_E, /* 87 Unused */ + _RF_E, /* 88 Unused */ + _RF_E, /* 89 Unused */ + _RF_E, /* 90 Unused */ + _RF_E, /* 91 Unused */ + _RF_E, /* 92 Unused */ + _RF_E, /* 93 Unused */ + _RF_E, /* 94 Unused */ + _RF_E, /* 95 Unused */ + _RF_E, /* 96 Unused */ + _RF_E, /* 97 Unused */ + _RF_E, /* 98 Unused */ + _RF_E, /* 99 Unused */ + _RF_E, /* 100 Unused */ + _RF_E, /* 101 Unused */ + _RF_E, /* 102 Unused */ + _RF_E, /* 103 Unused */ + _RF_E, /* 104 Unused */ + _RF_E, /* 105 Unused */ + _RF_E, /* 106 Unused */ + _RF_E, /* 107 Unused */ + _RF_E, /* 108 Unused */ + _RF_E, /* 109 Unused */ + _RF_E, /* 110 Unused */ + _RF_E, /* 111 Unused */ + _RF_E, /* 112 Unused */ + _RF_E, /* 113 Unused */ + _RF_E, /* 114 Unused */ + _RF_E, /* 115 Unused */ + _RF_E, /* 116 Unused */ + _RF_E, /* 117 Unused */ + _RF_E, /* 118 Unused */ + _RF_E, /* 119 Unused */ + _RF_E, /* 120 Unused */ + _RF_E, /* 121 Unused */ + _RF_E, /* 122 Unused */ + _RF_E, /* 123 Unused */ + _RF_E, /* 124 Unused */ + _RF_E, /* 125 Unused */ + _RF_E, /* 126 Unused */ + _RF_E, /* 127 Unused */ + _RF_E, /* 128 Unused */ + _RF_E, /* 129 Unused */ + _RF_E, /* 130 Unused */ + _RF_E, /* 131 Unused */ + _RF_E, /* 132 Unused */ + _RF_E, /* 133 Unused */ + _RF_E, /* 134 Unused */ + _RF_E, /* 135 Unused */ + _RF_E, /* 136 Unused */ + _RF_E, /* 137 Unused */ + _RF_E, /* 138 Unused */ + _RF_E, /* 139 Unused */ + _RF_E, /* 140 Unused */ + _RF_E, /* 141 Unused */ + _RF_E, /* 142 Unused */ + _RF_E, /* 143 Unused */ + _RF_E, /* 144 R_SH_TLS_GD_32 */ + _RF_E, /* 145 R_SH_TLS_LD_32 */ + _RF_E, /* 146 R_SH_TLS_LDO_32 */ + _RF_E, /* 147 R_SH_TLS_IE_32 */ + _RF_E, /* 148 R_SH_TLS_LE_32 */ + _RF_E, /* 149 R_SH_TLS_DTPMOD32 */ + _RF_E, /* 150 R_SH_TLS_DTPOFF32 */ + _RF_E, /* 151 R_SH_TLS_TPOFF32 */ + _RF_E, /* 152 Unused */ + _RF_E, /* 153 Unused */ + _RF_E, /* 154 Unused */ + _RF_E, /* 155 Unused */ + _RF_E, /* 156 Unused */ + _RF_E, /* 157 Unused */ + _RF_E, /* 158 Unused */ + _RF_E, /* 159 Unused */ + _RF_E, /* 160 R_SH_GOT32 */ + _RF_E, /* 161 R_SH_PLT32 */ + _RF_S| _RF_SZ(32) | _RF_RS(0), /* 162 COPY */ + _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 163 GLOB_DAT */ + _RF_S| _RF_SZ(32) | _RF_RS(0), /* 164 JMP_SLOT */ + _RF_P|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 165 REL32 */ + _RF_E, /* 166 R_SH_GOTOFF */ + _RF_E, /* 167 R_SH_GOTPC */ + _RF_E, /* 168 R_SH_GOTPLT32 */ + _RF_E, /* 169 R_SH_GOT_LOW16 */ + _RF_E, /* 170 R_SH_GOT_MEDLOW16 */ + _RF_E, /* 171 R_SH_GOT_MEDHI16 */ + _RF_E, /* 172 R_SH_GOT_HI16 */ + _RF_E, /* 173 R_SH_GOTPLT_LOW16 */ + _RF_E, /* 174 R_SH_GOTPLT_MEDLOW16 */ + _RF_E, /* 175 R_SH_GOTPLT_MEDHI16 */ + _RF_E, /* 176 R_SH_GOTPLT_HI16 */ + _RF_E, /* 177 R_SH_PLT_LOW16 */ + _RF_E, /* 178 R_SH_PLT_MEDLOW16 */ + _RF_E, /* 179 R_SH_PLT_MEDHI16 */ + _RF_E, /* 180 R_SH_PLT_HI16 */ + _RF_E, /* 181 R_SH_GOTOFF_LOW16 */ + _RF_E, /* 182 R_SH_GOTOFF_MEDLOW16 */ + _RF_E, /* 183 R_SH_GOTOFF_MEDHI16 */ + _RF_E, /* 184 R_SH_GOTOFF_HI16 */ + _RF_E, /* 185 R_SH_GOTPC_LOW16 */ + _RF_E, /* 186 R_SH_GOTPC_MEDLOW16 */ + _RF_E, /* 187 R_SH_GOTPC_MEDHI16 */ + _RF_E, /* 188 R_SH_GOTPC_HI16 */ + _RF_E, /* 189 R_SH_GOT10BY4 */ + _RF_E, /* 190 R_SH_GOTPLT10BY4 */ + _RF_E, /* 191 R_SH_GOT10BY8 */ + _RF_E, /* 192 R_SH_GOTPLT10BY8 */ +#ifdef SH_SUPPORT_64_BIT + _RF_E, /* 193 R_SH_COPY64 */ + _RF_E, /* 194 R_SH_GLOB_DAT64 */ + _RF_E, /* 195 R_SH_JMP_SLOT64 */ + _RF_E, /* 196 R_SH_RELATIVE64 */ + _RF_E, /* 197 Unused */ + _RF_E, /* 198 Unused */ + _RF_E, /* 199 Unused */ + _RF_E, /* 200 Unused */ + _RF_E, /* 201 Unused */ + _RF_E, /* 202 Unused */ + _RF_E, /* 203 Unused */ + _RF_E, /* 204 Unused */ + _RF_E, /* 205 Unused */ + _RF_E, /* 206 Unused */ + _RF_E, /* 207 Unused */ + _RF_E, /* 208 Unused */ + _RF_E, /* 209 Unused */ + _RF_E, /* 210 Unused */ + _RF_E, /* 211 Unused */ + _RF_E, /* 212 Unused */ + _RF_E, /* 213 Unused */ + _RF_E, /* 214 Unused */ + _RF_E, /* 215 Unused */ + _RF_E, /* 216 Unused */ + _RF_E, /* 217 Unused */ + _RF_E, /* 218 Unused */ + _RF_E, /* 219 Unused */ + _RF_E, /* 220 Unused */ + _RF_E, /* 221 Unused */ + _RF_E, /* 222 Unused */ + _RF_E, /* 223 Unused */ + _RF_E, /* 224 Unused */ + _RF_E, /* 225 Unused */ + _RF_E, /* 226 Unused */ + _RF_E, /* 227 Unused */ + _RF_E, /* 228 Unused */ + _RF_E, /* 229 Unused */ + _RF_E, /* 230 Unused */ + _RF_E, /* 231 Unused */ + _RF_E, /* 232 Unused */ + _RF_E, /* 233 Unused */ + _RF_E, /* 234 Unused */ + _RF_E, /* 235 Unused */ + _RF_E, /* 236 Unused */ + _RF_E, /* 237 Unused */ + _RF_E, /* 238 Unused */ + _RF_E, /* 239 Unused */ + _RF_E, /* 240 Unused */ + _RF_E, /* 241 Unused */ + _RF_E, /* 242 R_SH_SHMEDIA_CODE */ + _RF_E, /* 243 R_SH_PT_16 */ + _RF_E, /* 244 R_SH_IMMS16 */ + _RF_E, /* 245 R_SH_IMMU16 */ + _RF_E, /* 246 R_SH_IMM_LOW16 */ + _RF_E, /* 247 R_SH_IMM_LOW16_PCREL */ + _RF_E, /* 248 R_SH_IMM_MEDLOW16 */ + _RF_E, /* 249 R_SH_IMM_MEDLOW16_PCREL */ + _RF_E, /* 250 R_SH_IMM_MEDHI16 */ + _RF_E, /* 251 R_SH_IMM_MEDHI16_PCREL */ + _RF_E, /* 252 R_SH_IMM_HI16 */ + _RF_E, /* 253 R_SH_IMM_HI16_PCREL */ + _RF_E, /* 254 R_SH_64 */ + _RF_E, /* 255 R_SH_64_PCREL */ + 0 +#endif }; #define RELOC_RESOLVE_SYMBOL(t) ((reloc_target_flags[t] & _RF_S) != 0) @@ -105,70 +368,237 @@ static int reloc_target_flags[] = { #define RELOC_VALUE_RIGHTSHIFT(t) (reloc_target_flags[t] & 0xff) static int reloc_target_bitmask[] = { #define _BM(x) (x == 32? ~0 : ~(-(1UL << (x)))) - _BM(0), /* 0 NONE */ - _BM(24), /* 1 PC24 */ - _BM(32), /* 2 ABS32 */ - _BM(32), /* 3 REL32 */ - _BM(0), /* 4 REL13 */ - _BM(0), /* 5 ABS16 */ - _BM(0), /* 6 ABS12 */ - _BM(0), /* 7 T_ABS5 */ - _BM(0), /* 8 ABS8 */ - _BM(32), /* 9 SBREL32 */ - _BM(0), /* 10 T_PC22 */ - _BM(0), /* 11 T_PC8 */ - _BM(0), /* 12 Reserved */ - _BM(0), /* 13 SWI24 */ - _BM(0), /* 14 T_SWI8 */ - _BM(0), /* 15 OBSL */ - _BM(0), /* 16 OBSL */ - _BM(0), /* 17 UNUSED */ - _BM(0), /* 18 UNUSED */ - _BM(0), /* 19 UNUSED */ - _BM(32), /* 20 COPY */ - _BM(32), /* 21 GLOB_DAT */ - _BM(32), /* 22 JMP_SLOT */ - _BM(32), /* 23 RELATIVE */ - _BM(0), /* 24 GOTOFF */ - _BM(0), /* 25 GOTPC */ - _BM(0), /* 26 GOT32 */ - _BM(0), /* 27 PLT32 */ - _BM(0), /* 28 UNUSED */ - _BM(0), /* 29 UNUSED */ - _BM(0), /* 30 UNUSED */ - _BM(0), /* 31 UNUSED */ - _BM(0), /* 32 A_PCR 0 */ - _BM(0), /* 33 A_PCR 8 */ - _BM(0), /* 34 A_PCR 16 */ - _BM(0), /* 35 B_PCR 0 */ - _BM(0), /* 36 B_PCR 12 */ - _BM(0), /* 37 B_PCR 20 */ - _BM(0), /* 38 RELAB32 */ - _BM(0), /* 39 ROSGREL32 */ - _BM(0), /* 40 V4BX */ - _BM(0), /* 41 STKCHK */ - _BM(0) /* 42 TSTKCHK */ + _BM(0), /* 0 R_SH_NONE */ + _BM(32), /* 1 R_SH_DIR32 */ + _BM(32), /* 2 R_SH_REL32 */ + _BM(8), /* 3 R_SH_DIR8WPN */ + _BM(12), /* 4 R_SH_IND12W */ + _BM(8), /* 5 R_SH_DIR8WPL */ + _BM(8), /* 6 R_SH_DIR8WPZ */ + _BM(8), /* 7 R_SH_DIR8BP */ + _BM(8), /* 8 R_SH_DIR8W */ + _BM(8), /* 9 R_SH_DIR8L */ + _BM(0), /* 10 R_SH_LOOP_START */ + _BM(0), /* 11 R_SH_LOOP_END */ + _BM(0), /* 12 Unused */ + _BM(0), /* 13 Unused */ + _BM(0), /* 14 Unused */ + _BM(0), /* 14 Unused */ + _BM(0), /* 16 Unused */ + _BM(0), /* 17 Unused */ + _BM(0), /* 18 Unused */ + _BM(0), /* 19 Unused */ + _BM(0), /* 20 Unused */ + _BM(0), /* 21 Unused */ + _BM(0), /* 22 R_SH_GNU_VTINHERIT */ + _BM(0), /* 23 R_SH_GNU_VTENTRY */ + _BM(0), /* 24 R_SH_SWITCH8 */ + _BM(0), /* 25 R_SH_SWITCH16 */ + _BM(0), /* 26 R_SH_SWITCH32 */ + _BM(0), /* 27 R_SH_USES */ + _BM(0), /* 28 R_SH_COUNT */ + _BM(0), /* 29 R_SH_ALIGN */ + _BM(0), /* 30 R_SH_CODE */ + _BM(0), /* 31 R_SH_DATA */ + _BM(0), /* 32 R_SH_LABEL */ + _BM(0), /* 33 R_SH_DIR16 */ + _BM(0), /* 34 R_SH_DIR8 */ + _BM(0), /* 35 R_SH_DIR8UL */ + _BM(0), /* 36 R_SH_DIR8UW */ + _BM(0), /* 37 R_SH_DIR8U */ + _BM(0), /* 38 R_SH_DIR8SW */ + _BM(0), /* 39 R_SH_DIR8S */ + _BM(0), /* 40 R_SH_DIR4UL */ + _BM(0), /* 41 R_SH_DIR4UW */ + _BM(0), /* 42 R_SH_DIR4U */ + _BM(0), /* 43 R_SH_PSHA */ + _BM(0), /* 44 R_SH_PSHL */ + _BM(0), /* 45 R_SH_DIR5U */ + _BM(0), /* 46 R_SH_DIR6U */ + _BM(0), /* 47 R_SH_DIR6S */ + _BM(0), /* 48 R_SH_DIR10S */ + _BM(0), /* 49 R_SH_DIR10SW */ + _BM(0), /* 50 R_SH_DIR10SL */ + _BM(0), /* 51 R_SH_DIR10SQ */ + _BM(0), /* 53 R_SH_DIR16S */ + _BM(0), /* 54 Unused */ + _BM(0), /* 55 Unused */ + _BM(0), /* 56 Unused */ + _BM(0), /* 57 Unused */ + _BM(0), /* 58 Unused */ + _BM(0), /* 59 Unused */ + _BM(0), /* 60 Unused */ + _BM(0), /* 61 Unused */ + _BM(0), /* 62 Unused */ + _BM(0), /* 63 Unused */ + _BM(0), /* 64 Unused */ + _BM(0), /* 65 Unused */ + _BM(0), /* 66 Unused */ + _BM(0), /* 67 Unused */ + _BM(0), /* 68 Unused */ + _BM(0), /* 69 Unused */ + _BM(0), /* 70 Unused */ + _BM(0), /* 71 Unused */ + _BM(0), /* 72 Unused */ + _BM(0), /* 73 Unused */ + _BM(0), /* 74 Unused */ + _BM(0), /* 75 Unused */ + _BM(0), /* 76 Unused */ + _BM(0), /* 77 Unused */ + _BM(0), /* 78 Unused */ + _BM(0), /* 79 Unused */ + _BM(0), /* 80 Unused */ + _BM(0), /* 81 Unused */ + _BM(0), /* 82 Unused */ + _BM(0), /* 83 Unused */ + _BM(0), /* 84 Unused */ + _BM(0), /* 85 Unused */ + _BM(0), /* 86 Unused */ + _BM(0), /* 87 Unused */ + _BM(0), /* 88 Unused */ + _BM(0), /* 89 Unused */ + _BM(0), /* 90 Unused */ + _BM(0), /* 91 Unused */ + _BM(0), /* 92 Unused */ + _BM(0), /* 93 Unused */ + _BM(0), /* 94 Unused */ + _BM(0), /* 95 Unused */ + _BM(0), /* 96 Unused */ + _BM(0), /* 97 Unused */ + _BM(0), /* 98 Unused */ + _BM(0), /* 99 Unused */ + _BM(0), /* 100 Unused */ + _BM(0), /* 101 Unused */ + _BM(0), /* 102 Unused */ + _BM(0), /* 103 Unused */ + _BM(0), /* 104 Unused */ + _BM(0), /* 105 Unused */ + _BM(0), /* 106 Unused */ + _BM(0), /* 107 Unused */ + _BM(0), /* 108 Unused */ + _BM(0), /* 109 Unused */ + _BM(0), /* 110 Unused */ + _BM(0), /* 111 Unused */ + _BM(0), /* 112 Unused */ + _BM(0), /* 113 Unused */ + _BM(0), /* 114 Unused */ + _BM(0), /* 115 Unused */ + _BM(0), /* 116 Unused */ + _BM(0), /* 117 Unused */ + _BM(0), /* 118 Unused */ + _BM(0), /* 119 Unused */ + _BM(0), /* 120 Unused */ + _BM(0), /* 121 Unused */ + _BM(0), /* 122 Unused */ + _BM(0), /* 123 Unused */ + _BM(0), /* 124 Unused */ + _BM(0), /* 125 Unused */ + _BM(0), /* 126 Unused */ + _BM(0), /* 127 Unused */ + _BM(0), /* 128 Unused */ + _BM(0), /* 129 Unused */ + _BM(0), /* 130 Unused */ + _BM(0), /* 131 Unused */ + _BM(0), /* 132 Unused */ + _BM(0), /* 133 Unused */ + _BM(0), /* 134 Unused */ + _BM(0), /* 135 Unused */ + _BM(0), /* 136 Unused */ + _BM(0), /* 137 Unused */ + _BM(0), /* 138 Unused */ + _BM(0), /* 139 Unused */ + _BM(0), /* 140 Unused */ + _BM(0), /* 141 Unused */ + _BM(0), /* 142 Unused */ + _BM(0), /* 143 Unused */ + _BM(0), /* 144 R_SH_TLS_GD_32 */ + _BM(0), /* 145 R_SH_TLS_LD_32 */ + _BM(0), /* 146 R_SH_TLS_LDO_32 */ + _BM(0), /* 147 R_SH_TLS_IE_32 */ + _BM(0), /* 148 R_SH_TLS_LE_32 */ + _BM(0), /* 149 R_SH_TLS_DTPMOD32 */ + _BM(0), /* 150 R_SH_TLS_DTPOFF32 */ + _BM(0), /* 151 R_SH_TLS_TPOFF32 */ + _BM(0), /* 160 R_SH_GOT32 */ + _BM(0), /* 161 R_SH_PLT32 */ + _BM(0), /* 162 R_SH_COPY */ + _BM(32), /* 163 R_SH_GLOB_DAT */ + _BM(0), /* 164 R_SH_JMP_SLOT */ + _BM(32), /* 165 R_SH_RELATIVE */ + _BM(0), /* 166 R_SH_GOTOFF */ + _BM(0), /* 167 R_SH_GOTPC */ + _BM(0), /* 168 R_SH_GOTPLT32 */ + _BM(0), /* 169 R_SH_GOT_LOW16 */ + _BM(0), /* 170 R_SH_GOT_MEDLOW16 */ + _BM(0), /* 171 R_SH_GOT_MEDHI16 */ + _BM(0), /* 172 R_SH_GOT_HI16 */ + _BM(0), /* 173 R_SH_GOTPLT_LOW16 */ + _BM(0), /* 174 R_SH_GOTPLT_MEDLOW16 */ + _BM(0), /* 175 R_SH_GOTPLT_MEDHI16 */ + _BM(0), /* 176 R_SH_GOTPLT_HI16 */ + _BM(0), /* 177 R_SH_PLT_LOW16 */ + _BM(0), /* 178 R_SH_PLT_MEDLOW16 */ + _BM(0), /* 179 R_SH_PLT_MEDHI16 */ + _BM(0), /* 180 R_SH_PLT_HI16 */ + _BM(0), /* 181 R_SH_GOTOFF_LOW16 */ + _BM(0), /* 182 R_SH_GOTOFF_MEDLOW16 */ + _BM(0), /* 183 R_SH_GOTOFF_MEDHI16 */ + _BM(0), /* 184 R_SH_GOTOFF_HI16 */ + _BM(0), /* 185 R_SH_GOTPC_LOW16 */ + _BM(0), /* 186 R_SH_GOTPC_MEDLOW16 */ + _BM(0), /* 187 R_SH_GOTPC_MEDHI16 */ + _BM(0), /* 188 R_SH_GOTPC_HI16 */ + _BM(0), /* 189 R_SH_GOT10BY4 */ + _BM(0), /* 190 R_SH_GOTPLT10BY4 */ + _BM(0), /* 191 R_SH_GOT10BY8 */ + _BM(0), /* 192 R_SH_GOTPLT10BY8 */ +#ifdef SH_SUPPORT_64_BIT + _BM(0), /* 193 R_SH_COPY64 */ + _BM(0), /* 194 R_SH_GLOB_DAT64 */ + _BM(0), /* 195 R_SH_JMP_SLOT64 */ + _BM(0), /* 196 R_SH_RELATIVE64 */ + _BM(0), /* 242 R_SH_SHMEDIA_CODE */ + _BM(0), /* 243 R_SH_PT_16 */ + _BM(0), /* 244 R_SH_IMMS16 */ + _BM(0), /* 245 R_SH_IMMU16 */ + _BM(0), /* 246 R_SH_IMM_LOW16 */ + _BM(0), /* 247 R_SH_IMM_LOW16_PCREL */ + _BM(0), /* 248 R_SH_IMM_MEDLOW16 */ + _BM(0), /* 249 R_SH_IMM_MEDLOW16_PCREL */ + _BM(0), /* 250 R_SH_IMM_MEDHI16 */ + _BM(0), /* 251 R_SH_IMM_MEDHI16_PCREL */ + _BM(0), /* 252 R_SH_IMM_HI16 */ + _BM(0), /* 253 R_SH_IMM_HI16_PCREL */ + _BM(0), /* 254 R_SH_64 */ + _BM(0), /* 255 R_SH_64_PCREL */ +#endif #undef _BM }; #define RELOC_VALUE_BITMASK(t) (reloc_target_bitmask[t]) #define R_TYPE(x) R_SH_ ## x -void _dl_reloc_plt(Elf_Word *where, Elf_Addr value, Elf_Rel *rel); +void _dl_reloc_plt(Elf_Word *where, Elf_Addr value, Elf_RelA *rel); + +void +_dl_reloc_plt(Elf_Word *where, Elf_Addr value, Elf_RelA *rel) +{ + *where = value + rel->r_addend; +} int -_dl_md_reloc(elf_object_t *object, int rel, int relsz) +_dl_md_reloc(elf_object_t *object, int rel, int relasz) { long i; - long numrel; + long numrela; long fails = 0; Elf_Addr loff; - Elf_Rel *rels; + Elf_RelA *rels; struct load_list *llist; loff = object->load_offs; - numrel = object->Dyn.info[relsz] / sizeof(Elf_Rel); - rels = (Elf_Rel *)(object->Dyn.info[rel]); + numrela = object->Dyn.info[relasz] / sizeof(Elf_RelA); + rels = (Elf_RelA *)(object->Dyn.info[rel]); if (rels == NULL) return(0); @@ -181,12 +611,13 @@ _dl_md_reloc(elf_object_t *object, int rel, int relsz) llist != NULL; llist = llist->next) { if (!(llist->prot & PROT_WRITE)) + _dl_printf("protecting %x %x\n", llist->start, llist->size); _dl_mprotect(llist->start, llist->size, llist->prot|PROT_WRITE); } } - for (i = 0; i < numrel; i++, rels++) { + for (i = 0; i < numrela; i++, rels++) { Elf_Addr *where, value, ooff, mask; Elf_Word type; const Elf_Sym *sym, *this; @@ -195,7 +626,7 @@ _dl_md_reloc(elf_object_t *object, int rel, int relsz) type = ELF_R_TYPE(rels->r_info); if (reloc_target_flags[type] & _RF_E) { - _dl_printf(" bad relocation %d %d\n", i, type); + _dl_printf(" bad relocation obj %s %d %d\n", object->load_name, i, type); _dl_exit(1); } if (type == R_TYPE(NONE)) @@ -245,10 +676,7 @@ resolve_failed: } if (type == R_TYPE(JMP_SLOT)) { - /* _dl_reloc_plt((Elf_Word *)where, value, rels); - */ - *where = value; continue; } @@ -328,7 +756,10 @@ _dl_md_reloc_got(elf_object_t *object, int lazy) int i, num; Elf_Rel *rel; - if (object->Dyn.info[DT_PLTREL] != DT_REL) + /* XXX - lazy binding not supported yet */ + lazy = 0; + + if (object->Dyn.info[DT_PLTREL] != DT_RELA) return; object->got_addr = NULL; |