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-rw-r--r--qemu/target-i386/gdbstub.c233
1 files changed, 0 insertions, 233 deletions
diff --git a/qemu/target-i386/gdbstub.c b/qemu/target-i386/gdbstub.c
deleted file mode 100644
index 4b5071398..000000000
--- a/qemu/target-i386/gdbstub.c
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
- * x86 gdb server stub
- *
- * Copyright (c) 2003-2005 Fabrice Bellard
- * Copyright (c) 2013 SUSE LINUX Products GmbH
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "exec/gdbstub.h"
-
-#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)
-
-int x86_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
-{
- X86CPU *cpu = X86_CPU(cs);
- CPUX86State *env = &cpu->env;
-
- if (n < CPU_NB_REGS) {
- if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) {
- return gdb_get_reg64(mem_buf, env->regs[gpr_map[n]]);
- } else if (n < CPU_NB_REGS32) {
- return gdb_get_reg32(mem_buf, 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].ZMM_Q(0));
- stq_p(mem_buf + 8, env->xmm_regs[n].ZMM_Q(1));
- return 16;
- }
- } else {
- switch (n) {
- case IDX_IP_REG:
- if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) {
- return gdb_get_reg64(mem_buf, env->eip);
- } else {
- return gdb_get_reg32(mem_buf, env->eip);
- }
- case IDX_FLAGS_REG:
- return gdb_get_reg32(mem_buf, env->eflags);
-
- case IDX_SEG_REGS:
- return gdb_get_reg32(mem_buf, env->segs[R_CS].selector);
- case IDX_SEG_REGS + 1:
- return gdb_get_reg32(mem_buf, env->segs[R_SS].selector);
- case IDX_SEG_REGS + 2:
- return gdb_get_reg32(mem_buf, env->segs[R_DS].selector);
- case IDX_SEG_REGS + 3:
- return gdb_get_reg32(mem_buf, env->segs[R_ES].selector);
- case IDX_SEG_REGS + 4:
- return gdb_get_reg32(mem_buf, env->segs[R_FS].selector);
- case IDX_SEG_REGS + 5:
- return gdb_get_reg32(mem_buf, env->segs[R_GS].selector);
-
- case IDX_FP_REGS + 8:
- return gdb_get_reg32(mem_buf, env->fpuc);
- case IDX_FP_REGS + 9:
- return gdb_get_reg32(mem_buf, (env->fpus & ~0x3800) |
- (env->fpstt & 0x7) << 11);
- case IDX_FP_REGS + 10:
- return gdb_get_reg32(mem_buf, 0); /* ftag */
- case IDX_FP_REGS + 11:
- return gdb_get_reg32(mem_buf, 0); /* fiseg */
- case IDX_FP_REGS + 12:
- return gdb_get_reg32(mem_buf, 0); /* fioff */
- case IDX_FP_REGS + 13:
- return gdb_get_reg32(mem_buf, 0); /* foseg */
- case IDX_FP_REGS + 14:
- return gdb_get_reg32(mem_buf, 0); /* fooff */
- case IDX_FP_REGS + 15:
- return gdb_get_reg32(mem_buf, 0); /* fop */
-
- case IDX_MXCSR_REG:
- return gdb_get_reg32(mem_buf, env->mxcsr);
- }
- }
- return 0;
-}
-
-static int x86_cpu_gdb_load_seg(X86CPU *cpu, int sreg, uint8_t *mem_buf)
-{
- CPUX86State *env = &cpu->env;
- 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)) {
- int dpl = (env->eflags & VM_MASK) ? 3 : 0;
- base = selector << 4;
- limit = 0xffff;
- flags = DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
- DESC_A_MASK | (dpl << DESC_DPL_SHIFT);
- } 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;
-}
-
-int x86_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
-{
- X86CPU *cpu = X86_CPU(cs);
- CPUX86State *env = &cpu->env;
- 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].ZMM_Q(0) = ldq_p(mem_buf);
- env->xmm_regs[n].ZMM_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 x86_cpu_gdb_load_seg(cpu, R_CS, mem_buf);
- case IDX_SEG_REGS + 1:
- return x86_cpu_gdb_load_seg(cpu, R_SS, mem_buf);
- case IDX_SEG_REGS + 2:
- return x86_cpu_gdb_load_seg(cpu, R_DS, mem_buf);
- case IDX_SEG_REGS + 3:
- return x86_cpu_gdb_load_seg(cpu, R_ES, mem_buf);
- case IDX_SEG_REGS + 4:
- return x86_cpu_gdb_load_seg(cpu, R_FS, mem_buf);
- case IDX_SEG_REGS + 5:
- return x86_cpu_gdb_load_seg(cpu, R_GS, mem_buf);
-
- case IDX_FP_REGS + 8:
- cpu_set_fpuc(env, 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:
- cpu_set_mxcsr(env, ldl_p(mem_buf));
- return 4;
- }
- }
- /* Unrecognised register. */
- return 0;
-}