aboutsummaryrefslogtreecommitdiff
path: root/target-i386/arch_dump.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-i386/arch_dump.c')
-rw-r--r--target-i386/arch_dump.c233
1 files changed, 233 insertions, 0 deletions
diff --git a/target-i386/arch_dump.c b/target-i386/arch_dump.c
new file mode 100644
index 0000000000..d55c2ce8c7
--- /dev/null
+++ b/target-i386/arch_dump.c
@@ -0,0 +1,233 @@
+/*
+ * i386 memory mapping
+ *
+ * Copyright Fujitsu, Corp. 2011, 2012
+ *
+ * Authors:
+ * Wen Congyang <wency@cn.fujitsu.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "cpu.h"
+#include "cpu-all.h"
+#include "elf.h"
+
+#ifdef TARGET_X86_64
+typedef struct {
+ target_ulong r15, r14, r13, r12, rbp, rbx, r11, r10;
+ target_ulong r9, r8, rax, rcx, rdx, rsi, rdi, orig_rax;
+ target_ulong rip, cs, eflags;
+ target_ulong rsp, ss;
+ target_ulong fs_base, gs_base;
+ target_ulong ds, es, fs, gs;
+} x86_64_user_regs_struct;
+
+typedef struct {
+ char pad1[32];
+ uint32_t pid;
+ char pad2[76];
+ x86_64_user_regs_struct regs;
+ char pad3[8];
+} x86_64_elf_prstatus;
+
+static int x86_64_write_elf64_note(write_core_dump_function f,
+ CPUArchState *env, int id,
+ void *opaque)
+{
+ x86_64_user_regs_struct regs;
+ Elf64_Nhdr *note;
+ char *buf;
+ int descsz, note_size, name_size = 5;
+ const char *name = "CORE";
+ int ret;
+
+ regs.r15 = env->regs[15];
+ regs.r14 = env->regs[14];
+ regs.r13 = env->regs[13];
+ regs.r12 = env->regs[12];
+ regs.r11 = env->regs[11];
+ regs.r10 = env->regs[10];
+ regs.r9 = env->regs[9];
+ regs.r8 = env->regs[8];
+ regs.rbp = env->regs[R_EBP];
+ regs.rsp = env->regs[R_ESP];
+ regs.rdi = env->regs[R_EDI];
+ regs.rsi = env->regs[R_ESI];
+ regs.rdx = env->regs[R_EDX];
+ regs.rcx = env->regs[R_ECX];
+ regs.rbx = env->regs[R_EBX];
+ regs.rax = env->regs[R_EAX];
+ regs.rip = env->eip;
+ regs.eflags = env->eflags;
+
+ regs.orig_rax = 0; /* FIXME */
+ regs.cs = env->segs[R_CS].selector;
+ regs.ss = env->segs[R_SS].selector;
+ regs.fs_base = env->segs[R_FS].base;
+ regs.gs_base = env->segs[R_GS].base;
+ regs.ds = env->segs[R_DS].selector;
+ regs.es = env->segs[R_ES].selector;
+ regs.fs = env->segs[R_FS].selector;
+ regs.gs = env->segs[R_GS].selector;
+
+ descsz = sizeof(x86_64_elf_prstatus);
+ note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
+ (descsz + 3) / 4) * 4;
+ note = g_malloc(note_size);
+
+ memset(note, 0, note_size);
+ note->n_namesz = cpu_to_le32(name_size);
+ note->n_descsz = cpu_to_le32(descsz);
+ note->n_type = cpu_to_le32(NT_PRSTATUS);
+ buf = (char *)note;
+ buf += ((sizeof(Elf64_Nhdr) + 3) / 4) * 4;
+ memcpy(buf, name, name_size);
+ buf += ((name_size + 3) / 4) * 4;
+ memcpy(buf + 32, &id, 4); /* pr_pid */
+ buf += descsz - sizeof(x86_64_user_regs_struct)-sizeof(target_ulong);
+ memcpy(buf, &regs, sizeof(x86_64_user_regs_struct));
+
+ ret = f(note, note_size, opaque);
+ g_free(note);
+ if (ret < 0) {
+ return -1;
+ }
+
+ return 0;
+}
+#endif
+
+typedef struct {
+ uint32_t ebx, ecx, edx, esi, edi, ebp, eax;
+ unsigned short ds, __ds, es, __es;
+ unsigned short fs, __fs, gs, __gs;
+ uint32_t orig_eax, eip;
+ unsigned short cs, __cs;
+ uint32_t eflags, esp;
+ unsigned short ss, __ss;
+} x86_user_regs_struct;
+
+typedef struct {
+ char pad1[24];
+ uint32_t pid;
+ char pad2[44];
+ x86_user_regs_struct regs;
+ char pad3[4];
+} x86_elf_prstatus;
+
+static void x86_fill_elf_prstatus(x86_elf_prstatus *prstatus, CPUArchState *env,
+ int id)
+{
+ memset(prstatus, 0, sizeof(x86_elf_prstatus));
+ prstatus->regs.ebp = env->regs[R_EBP] & 0xffffffff;
+ prstatus->regs.esp = env->regs[R_ESP] & 0xffffffff;
+ prstatus->regs.edi = env->regs[R_EDI] & 0xffffffff;
+ prstatus->regs.esi = env->regs[R_ESI] & 0xffffffff;
+ prstatus->regs.edx = env->regs[R_EDX] & 0xffffffff;
+ prstatus->regs.ecx = env->regs[R_ECX] & 0xffffffff;
+ prstatus->regs.ebx = env->regs[R_EBX] & 0xffffffff;
+ prstatus->regs.eax = env->regs[R_EAX] & 0xffffffff;
+ prstatus->regs.eip = env->eip & 0xffffffff;
+ prstatus->regs.eflags = env->eflags & 0xffffffff;
+
+ prstatus->regs.cs = env->segs[R_CS].selector;
+ prstatus->regs.ss = env->segs[R_SS].selector;
+ prstatus->regs.ds = env->segs[R_DS].selector;
+ prstatus->regs.es = env->segs[R_ES].selector;
+ prstatus->regs.fs = env->segs[R_FS].selector;
+ prstatus->regs.gs = env->segs[R_GS].selector;
+
+ prstatus->pid = id;
+}
+
+static int x86_write_elf64_note(write_core_dump_function f, CPUArchState *env,
+ int id, void *opaque)
+{
+ x86_elf_prstatus prstatus;
+ Elf64_Nhdr *note;
+ char *buf;
+ int descsz, note_size, name_size = 5;
+ const char *name = "CORE";
+ int ret;
+
+ x86_fill_elf_prstatus(&prstatus, env, id);
+ descsz = sizeof(x86_elf_prstatus);
+ note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
+ (descsz + 3) / 4) * 4;
+ note = g_malloc(note_size);
+
+ memset(note, 0, note_size);
+ note->n_namesz = cpu_to_le32(name_size);
+ note->n_descsz = cpu_to_le32(descsz);
+ note->n_type = cpu_to_le32(NT_PRSTATUS);
+ buf = (char *)note;
+ buf += ((sizeof(Elf64_Nhdr) + 3) / 4) * 4;
+ memcpy(buf, name, name_size);
+ buf += ((name_size + 3) / 4) * 4;
+ memcpy(buf, &prstatus, sizeof(prstatus));
+
+ ret = f(note, note_size, opaque);
+ g_free(note);
+ if (ret < 0) {
+ return -1;
+ }
+
+ return 0;
+}
+
+int cpu_write_elf64_note(write_core_dump_function f, CPUArchState *env,
+ int cpuid, void *opaque)
+{
+ int ret;
+#ifdef TARGET_X86_64
+ bool lma = !!(first_cpu->hflags & HF_LMA_MASK);
+
+ if (lma) {
+ ret = x86_64_write_elf64_note(f, env, cpuid, opaque);
+ } else {
+#endif
+ ret = x86_write_elf64_note(f, env, cpuid, opaque);
+#ifdef TARGET_X86_64
+ }
+#endif
+
+ return ret;
+}
+
+int cpu_write_elf32_note(write_core_dump_function f, CPUArchState *env,
+ int cpuid, void *opaque)
+{
+ x86_elf_prstatus prstatus;
+ Elf32_Nhdr *note;
+ char *buf;
+ int descsz, note_size, name_size = 5;
+ const char *name = "CORE";
+ int ret;
+
+ x86_fill_elf_prstatus(&prstatus, env, cpuid);
+ descsz = sizeof(x86_elf_prstatus);
+ note_size = ((sizeof(Elf32_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
+ (descsz + 3) / 4) * 4;
+ note = g_malloc(note_size);
+
+ memset(note, 0, note_size);
+ note->n_namesz = cpu_to_le32(name_size);
+ note->n_descsz = cpu_to_le32(descsz);
+ note->n_type = cpu_to_le32(NT_PRSTATUS);
+ buf = (char *)note;
+ buf += ((sizeof(Elf32_Nhdr) + 3) / 4) * 4;
+ memcpy(buf, name, name_size);
+ buf += ((name_size + 3) / 4) * 4;
+ memcpy(buf, &prstatus, sizeof(prstatus));
+
+ ret = f(note, note_size, opaque);
+ g_free(note);
+ if (ret < 0) {
+ return -1;
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-25 03:41:34 +0000