diff options
Diffstat (limited to 'gdbstub.c')
| -rw-r--r-- | gdbstub.c | 203 |
1 files changed, 1 insertions, 202 deletions
diff --git a/gdbstub.c b/gdbstub.c index 4879055c60..5a2320420c 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -520,208 +520,7 @@ static int put_packet(GDBState *s, const char *buf) #if defined(TARGET_I386) -#ifdef TARGET_X86_64 -static const int gpr_map[16] = { - R_EAX, R_EBX, R_ECX, R_EDX, R_ESI, R_EDI, R_EBP, R_ESP, - 8, 9, 10, 11, 12, 13, 14, 15 -}; -#else -#define gpr_map gpr_map32 -#endif -static const int gpr_map32[8] = { 0, 1, 2, 3, 4, 5, 6, 7 }; - -#define IDX_IP_REG CPU_NB_REGS -#define IDX_FLAGS_REG (IDX_IP_REG + 1) -#define IDX_SEG_REGS (IDX_FLAGS_REG + 1) -#define IDX_FP_REGS (IDX_SEG_REGS + 6) -#define IDX_XMM_REGS (IDX_FP_REGS + 16) -#define IDX_MXCSR_REG (IDX_XMM_REGS + CPU_NB_REGS) - -static int cpu_gdb_read_register(CPUX86State *env, uint8_t *mem_buf, int n) -{ - if (n < CPU_NB_REGS) { - if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { - GET_REG64(env->regs[gpr_map[n]]); - } else if (n < CPU_NB_REGS32) { - GET_REG32(env->regs[gpr_map32[n]]); - } - } else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) { -#ifdef USE_X86LDOUBLE - /* FIXME: byteswap float values - after fixing fpregs layout. */ - memcpy(mem_buf, &env->fpregs[n - IDX_FP_REGS], 10); -#else - memset(mem_buf, 0, 10); -#endif - return 10; - } else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) { - n -= IDX_XMM_REGS; - if (n < CPU_NB_REGS32 || - (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK)) { - stq_p(mem_buf, env->xmm_regs[n].XMM_Q(0)); - stq_p(mem_buf + 8, env->xmm_regs[n].XMM_Q(1)); - return 16; - } - } else { - switch (n) { - case IDX_IP_REG: - if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { - GET_REG64(env->eip); - } else { - GET_REG32(env->eip); - } - case IDX_FLAGS_REG: - GET_REG32(env->eflags); - - case IDX_SEG_REGS: - GET_REG32(env->segs[R_CS].selector); - case IDX_SEG_REGS + 1: - GET_REG32(env->segs[R_SS].selector); - case IDX_SEG_REGS + 2: - GET_REG32(env->segs[R_DS].selector); - case IDX_SEG_REGS + 3: - GET_REG32(env->segs[R_ES].selector); - case IDX_SEG_REGS + 4: - GET_REG32(env->segs[R_FS].selector); - case IDX_SEG_REGS + 5: - GET_REG32(env->segs[R_GS].selector); - - case IDX_FP_REGS + 8: - GET_REG32(env->fpuc); - case IDX_FP_REGS + 9: - GET_REG32((env->fpus & ~0x3800) | - (env->fpstt & 0x7) << 11); - case IDX_FP_REGS + 10: - GET_REG32(0); /* ftag */ - case IDX_FP_REGS + 11: - GET_REG32(0); /* fiseg */ - case IDX_FP_REGS + 12: - GET_REG32(0); /* fioff */ - case IDX_FP_REGS + 13: - GET_REG32(0); /* foseg */ - case IDX_FP_REGS + 14: - GET_REG32(0); /* fooff */ - case IDX_FP_REGS + 15: - GET_REG32(0); /* fop */ - - case IDX_MXCSR_REG: - GET_REG32(env->mxcsr); - } - } - return 0; -} - -static int cpu_x86_gdb_load_seg(CPUX86State *env, int sreg, uint8_t *mem_buf) -{ - uint16_t selector = ldl_p(mem_buf); - - if (selector != env->segs[sreg].selector) { -#if defined(CONFIG_USER_ONLY) - cpu_x86_load_seg(env, sreg, selector); -#else - unsigned int limit, flags; - target_ulong base; - - if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { - base = selector << 4; - limit = 0xffff; - flags = 0; - } else { - if (!cpu_x86_get_descr_debug(env, selector, &base, &limit, - &flags)) { - return 4; - } - } - cpu_x86_load_seg_cache(env, sreg, selector, base, limit, flags); -#endif - } - return 4; -} - -static int cpu_gdb_write_register(CPUX86State *env, uint8_t *mem_buf, int n) -{ - uint32_t tmp; - - if (n < CPU_NB_REGS) { - if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { - env->regs[gpr_map[n]] = ldtul_p(mem_buf); - return sizeof(target_ulong); - } else if (n < CPU_NB_REGS32) { - n = gpr_map32[n]; - env->regs[n] &= ~0xffffffffUL; - env->regs[n] |= (uint32_t)ldl_p(mem_buf); - return 4; - } - } else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) { -#ifdef USE_X86LDOUBLE - /* FIXME: byteswap float values - after fixing fpregs layout. */ - memcpy(&env->fpregs[n - IDX_FP_REGS], mem_buf, 10); -#endif - return 10; - } else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) { - n -= IDX_XMM_REGS; - if (n < CPU_NB_REGS32 || - (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK)) { - env->xmm_regs[n].XMM_Q(0) = ldq_p(mem_buf); - env->xmm_regs[n].XMM_Q(1) = ldq_p(mem_buf + 8); - return 16; - } - } else { - switch (n) { - case IDX_IP_REG: - if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { - env->eip = ldq_p(mem_buf); - return 8; - } else { - env->eip &= ~0xffffffffUL; - env->eip |= (uint32_t)ldl_p(mem_buf); - return 4; - } - case IDX_FLAGS_REG: - env->eflags = ldl_p(mem_buf); - return 4; - - case IDX_SEG_REGS: - return cpu_x86_gdb_load_seg(env, R_CS, mem_buf); - case IDX_SEG_REGS + 1: - return cpu_x86_gdb_load_seg(env, R_SS, mem_buf); - case IDX_SEG_REGS + 2: - return cpu_x86_gdb_load_seg(env, R_DS, mem_buf); - case IDX_SEG_REGS + 3: - return cpu_x86_gdb_load_seg(env, R_ES, mem_buf); - case IDX_SEG_REGS + 4: - return cpu_x86_gdb_load_seg(env, R_FS, mem_buf); - case IDX_SEG_REGS + 5: - return cpu_x86_gdb_load_seg(env, R_GS, mem_buf); - - case IDX_FP_REGS + 8: - env->fpuc = ldl_p(mem_buf); - return 4; - case IDX_FP_REGS + 9: - tmp = ldl_p(mem_buf); - env->fpstt = (tmp >> 11) & 7; - env->fpus = tmp & ~0x3800; - return 4; - case IDX_FP_REGS + 10: /* ftag */ - return 4; - case IDX_FP_REGS + 11: /* fiseg */ - return 4; - case IDX_FP_REGS + 12: /* fioff */ - return 4; - case IDX_FP_REGS + 13: /* foseg */ - return 4; - case IDX_FP_REGS + 14: /* fooff */ - return 4; - case IDX_FP_REGS + 15: /* fop */ - return 4; - - case IDX_MXCSR_REG: - env->mxcsr = ldl_p(mem_buf); - return 4; - } - } - /* Unrecognised register. */ - return 0; -} +#include "target-i386/gdbstub.c" #elif defined (TARGET_PPC) |