Revision c69806ab
| b/tcg/arm/tcg-target.c | ||
|---|---|---|
| 113 | 113 |
TCG_REG_R0, TCG_REG_R1 |
| 114 | 114 |
}; |
| 115 | 115 |
|
| 116 |
static inline void reloc_abs32(void *code_ptr, tcg_target_long target) |
|
| 117 |
{
|
|
| 118 |
*(uint32_t *) code_ptr = target; |
|
| 119 |
} |
|
| 120 |
|
|
| 121 |
static inline void reloc_pc24(void *code_ptr, tcg_target_long target) |
|
| 122 |
{
|
|
| 123 |
uint32_t offset = ((target - ((tcg_target_long) code_ptr + 8)) >> 2); |
|
| 124 |
|
|
| 125 |
*(uint32_t *) code_ptr = ((*(uint32_t *) code_ptr) & ~0xffffff) |
|
| 126 |
| (offset & 0xffffff); |
|
| 127 |
} |
|
| 128 |
|
|
| 116 | 129 |
static void patch_reloc(uint8_t *code_ptr, int type, |
| 117 | 130 |
tcg_target_long value, tcg_target_long addend) |
| 118 | 131 |
{
|
| 119 | 132 |
switch (type) {
|
| 120 | 133 |
case R_ARM_ABS32: |
| 121 |
*(uint32_t *) code_ptr = value;
|
|
| 134 |
reloc_abs32(code_ptr, value);
|
|
| 122 | 135 |
break; |
| 123 | 136 |
|
| 124 | 137 |
case R_ARM_CALL: |
| ... | ... | |
| 127 | 140 |
tcg_abort(); |
| 128 | 141 |
|
| 129 | 142 |
case R_ARM_PC24: |
| 130 |
*(uint32_t *) code_ptr = ((*(uint32_t *) code_ptr) & 0xff000000) | |
|
| 131 |
(((value - ((tcg_target_long) code_ptr + 8)) >> 2) & 0xffffff); |
|
| 143 |
reloc_pc24(code_ptr, value); |
|
| 132 | 144 |
break; |
| 133 | 145 |
} |
| 134 | 146 |
} |
| ... | ... | |
| 1031 | 1043 |
} |
| 1032 | 1044 |
|
| 1033 | 1045 |
label_ptr = (void *) s->code_ptr; |
| 1034 |
tcg_out_b(s, COND_EQ, 8);
|
|
| 1046 |
tcg_out_b_noaddr(s, COND_EQ);
|
|
| 1035 | 1047 |
|
| 1036 | 1048 |
/* TODO: move this code to where the constants pool will be */ |
| 1037 | 1049 |
if (addr_reg != TCG_REG_R0) {
|
| ... | ... | |
| 1076 | 1088 |
break; |
| 1077 | 1089 |
} |
| 1078 | 1090 |
|
| 1079 |
*label_ptr += ((void *) s->code_ptr - (void *) label_ptr - 8) >> 2;
|
|
| 1091 |
reloc_pc24(label_ptr, (tcg_target_long)s->code_ptr);
|
|
| 1080 | 1092 |
#else /* !CONFIG_SOFTMMU */ |
| 1081 | 1093 |
if (GUEST_BASE) {
|
| 1082 | 1094 |
uint32_t offset = GUEST_BASE; |
| ... | ... | |
| 1245 | 1257 |
} |
| 1246 | 1258 |
|
| 1247 | 1259 |
label_ptr = (void *) s->code_ptr; |
| 1248 |
tcg_out_b(s, COND_EQ, 8);
|
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| 1260 |
tcg_out_b_noaddr(s, COND_EQ);
|
|
| 1249 | 1261 |
|
| 1250 | 1262 |
/* TODO: move this code to where the constants pool will be */ |
| 1251 | 1263 |
tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
| ... | ... | |
| 1317 | 1329 |
if (opc == 3) |
| 1318 | 1330 |
tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R13, TCG_REG_R13, 0x10); |
| 1319 | 1331 |
|
| 1320 |
*label_ptr += ((void *) s->code_ptr - (void *) label_ptr - 8) >> 2;
|
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| 1332 |
reloc_pc24(label_ptr, (tcg_target_long)s->code_ptr);
|
|
| 1321 | 1333 |
#else /* !CONFIG_SOFTMMU */ |
| 1322 | 1334 |
if (GUEST_BASE) {
|
| 1323 | 1335 |
uint32_t offset = GUEST_BASE; |
| ... | ... | |
| 1399 | 1411 |
/* Direct jump method */ |
| 1400 | 1412 |
#if defined(USE_DIRECT_JUMP) |
| 1401 | 1413 |
s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf; |
| 1402 |
tcg_out_b(s, COND_AL, 8);
|
|
| 1414 |
tcg_out_b_noaddr(s, COND_AL);
|
|
| 1403 | 1415 |
#else |
| 1404 | 1416 |
tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4); |
| 1405 | 1417 |
s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf; |
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