>From cd2b212a947426f9c3f72af8371c5dbd2c3a565e Mon Sep 17 00:00:00 2001 From: qiaonuohan Date: Mon, 16 Jul 2012 05:26:27 +0800 Subject: [PATCH 3/3] display registers stored in qemu note section --- netdump.c | 210 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 210 insertions(+), 0 deletions(-) diff --git a/netdump.c b/netdump.c index db65704..61467b9 100644 --- a/netdump.c +++ b/netdump.c @@ -1715,12 +1715,14 @@ dump_Elf32_Nhdr(Elf32_Off offset, int store) char *ptr; ulong *uptr; int xen_core, vmcoreinfo, eraseinfo; + int qemu_info; uint64_t remaining, notesize; note = (Elf32_Nhdr *)((char *)nd->elf32 + offset); BZERO(buf, BUFSIZE); xen_core = vmcoreinfo = eraseinfo = FALSE; + qemu_info = FALSE; ptr = (char *)note + sizeof(Elf32_Nhdr); if (ptr > (nd->elf_header + nd->header_size)) { @@ -1811,6 +1813,7 @@ dump_Elf32_Nhdr(Elf32_Off offset, int store) xen_core = STRNEQ(buf, "XEN CORE") || STRNEQ(buf, "Xen"); vmcoreinfo = STRNEQ(buf, "VMCOREINFO"); eraseinfo = STRNEQ(buf, "ERASEINFO"); + qemu_info = STRNEQ(buf, "QEMU"); if (xen_core) { netdump_print("(unknown Xen n_type)\n"); if (store) @@ -1904,6 +1907,103 @@ dump_Elf32_Nhdr(Elf32_Off offset, int store) if (xen_core) uptr = (ulong *)roundup((ulong)uptr, 4); + if (CRASHDEBUG(1) & qemu_info) { + netdump_print("version:%08lx size:%08lx\n", + ((QEMUCPUState *)uptr)->version, + ((QEMUCPUState *)uptr)->size); + netdump_print("rax:%016llx rbx:%016llx rcx:%016llx\n", + ((QEMUCPUState *)uptr)->rax, + ((QEMUCPUState *)uptr)->rbx, + ((QEMUCPUState *)uptr)->rcx); + netdump_print("rdx:%016llx rsi:%016llx rdi:%016llx\n", + ((QEMUCPUState *)uptr)->rdx, + ((QEMUCPUState *)uptr)->rsi, + ((QEMUCPUState *)uptr)->rdi); + netdump_print("rsp:%016llx rbp:%016llx\n", + ((QEMUCPUState *)uptr)->rsp, + ((QEMUCPUState *)uptr)->rbp); + netdump_print("rip:%016llx rflags:%016llx\n", + ((QEMUCPUState *)uptr)->rip, + ((QEMUCPUState *)uptr)->rflags); + netdump_print("cs:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->cs.selector, + ((QEMUCPUState *)uptr)->cs.limit, + ((QEMUCPUState *)uptr)->cs.flags, + ((QEMUCPUState *)uptr)->cs.pad, + ((QEMUCPUState *)uptr)->cs.base); + netdump_print("ds:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->ds.selector, + ((QEMUCPUState *)uptr)->ds.limit, + ((QEMUCPUState *)uptr)->ds.flags, + ((QEMUCPUState *)uptr)->ds.pad, + ((QEMUCPUState *)uptr)->ds.base); + netdump_print("es:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->es.selector, + ((QEMUCPUState *)uptr)->es.limit, + ((QEMUCPUState *)uptr)->es.flags, + ((QEMUCPUState *)uptr)->es.pad, + ((QEMUCPUState *)uptr)->es.base); + netdump_print("fs:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->fs.selector, + ((QEMUCPUState *)uptr)->fs.limit, + ((QEMUCPUState *)uptr)->fs.flags, + ((QEMUCPUState *)uptr)->fs.pad, + ((QEMUCPUState *)uptr)->fs.base); + netdump_print("gs:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->gs.selector, + ((QEMUCPUState *)uptr)->gs.limit, + ((QEMUCPUState *)uptr)->gs.flags, + ((QEMUCPUState *)uptr)->gs.pad, + ((QEMUCPUState *)uptr)->gs.base); + netdump_print("ss:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->ss.selector, + ((QEMUCPUState *)uptr)->ss.limit, + ((QEMUCPUState *)uptr)->ss.flags, + ((QEMUCPUState *)uptr)->ss.pad, + ((QEMUCPUState *)uptr)->ss.base); + netdump_print("ldt:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->ldt.selector, + ((QEMUCPUState *)uptr)->ldt.limit, + ((QEMUCPUState *)uptr)->ldt.flags, + ((QEMUCPUState *)uptr)->ldt.pad, + ((QEMUCPUState *)uptr)->ldt.base); + netdump_print("tr:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->tr.selector, + ((QEMUCPUState *)uptr)->tr.limit, + ((QEMUCPUState *)uptr)->tr.flags, + ((QEMUCPUState *)uptr)->tr.pad, + ((QEMUCPUState *)uptr)->tr.base); + netdump_print("gdt:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->gdt.selector, + ((QEMUCPUState *)uptr)->gdt.limit, + ((QEMUCPUState *)uptr)->gdt.flags, + ((QEMUCPUState *)uptr)->gdt.pad, + ((QEMUCPUState *)uptr)->gdt.base); + netdump_print("idt:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->idt.selector, + ((QEMUCPUState *)uptr)->idt.limit, + ((QEMUCPUState *)uptr)->idt.flags, + ((QEMUCPUState *)uptr)->idt.pad, + ((QEMUCPUState *)uptr)->idt.base); + netdump_print("cr[0]:%016llx cr[1]:%016llx cr[2]:%016llx\n", + ((QEMUCPUState *)uptr)->cr[0], + ((QEMUCPUState *)uptr)->cr[1], + ((QEMUCPUState *)uptr)->cr[2]); + netdump_print("cr[3]:%016llx cr[4]:%016llx\n", + ((QEMUCPUState *)uptr)->cr[3], + ((QEMUCPUState *)uptr)->cr[4]); + } + if (vmcoreinfo || eraseinfo) { netdump_print(" "); ptr += note->n_namesz + 1; @@ -1948,6 +2048,7 @@ dump_Elf64_Nhdr(Elf64_Off offset, int store) int *iptr; ulong *up; int xen_core, vmcoreinfo, eraseinfo; + int qemu_info; uint64_t remaining, notesize; note = (Elf64_Nhdr *)((char *)nd->elf64 + offset); @@ -1955,6 +2056,7 @@ dump_Elf64_Nhdr(Elf64_Off offset, int store) BZERO(buf, BUFSIZE); ptr = (char *)note + sizeof(Elf64_Nhdr); xen_core = vmcoreinfo = eraseinfo = FALSE; + qemu_info = FALSE; if (ptr > (nd->elf_header + nd->header_size)) { error(WARNING, @@ -2075,6 +2177,7 @@ dump_Elf64_Nhdr(Elf64_Off offset, int store) xen_core = STRNEQ(buf, "XEN CORE") || STRNEQ(buf, "Xen"); vmcoreinfo = STRNEQ(buf, "VMCOREINFO"); eraseinfo = STRNEQ(buf, "ERASEINFO"); + qemu_info = STRNEQ(buf, "QEMU"); if (xen_core) { netdump_print("(unknown Xen n_type)\n"); if (store) @@ -2180,6 +2283,113 @@ dump_Elf64_Nhdr(Elf64_Off offset, int store) uptr = (ulonglong *)roundup((ulong)uptr, 4); } + if (CRASHDEBUG(1) & qemu_info) { + netdump_print("version:%08lx size:%08lx\n", + ((QEMUCPUState *)uptr)->version, + ((QEMUCPUState *)uptr)->size); + netdump_print("rax:%016llx rbx:%016llx rcx:%016llx\n", + ((QEMUCPUState *)uptr)->rax, + ((QEMUCPUState *)uptr)->rbx, + ((QEMUCPUState *)uptr)->rcx); + netdump_print("rdx:%016llx rsi:%016llx rdi:%016llx\n", + ((QEMUCPUState *)uptr)->rdx, + ((QEMUCPUState *)uptr)->rsi, + ((QEMUCPUState *)uptr)->rdi); + netdump_print("rsp:%016llx rbp:%016llx r8:%016llx\n", + ((QEMUCPUState *)uptr)->rsp, + ((QEMUCPUState *)uptr)->rbp, + ((QEMUCPUState *)uptr)->r8); + netdump_print("r9:%016llx r10:%016llx r11:%016llx\n", + ((QEMUCPUState *)uptr)->r9, + ((QEMUCPUState *)uptr)->r10, + ((QEMUCPUState *)uptr)->r11); + netdump_print("r12:%016llx r13:%016llx r14:%016llx\n", + ((QEMUCPUState *)uptr)->r12, + ((QEMUCPUState *)uptr)->r13, + ((QEMUCPUState *)uptr)->r14); + netdump_print("r15:%016llx rip:%016llx rflags:%016llx\n", + ((QEMUCPUState *)uptr)->r15, + ((QEMUCPUState *)uptr)->rip, + ((QEMUCPUState *)uptr)->rflags); + netdump_print("cs:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->cs.selector, + ((QEMUCPUState *)uptr)->cs.limit, + ((QEMUCPUState *)uptr)->cs.flags, + ((QEMUCPUState *)uptr)->cs.pad, + ((QEMUCPUState *)uptr)->cs.base); + netdump_print("ds:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->ds.selector, + ((QEMUCPUState *)uptr)->ds.limit, + ((QEMUCPUState *)uptr)->ds.flags, + ((QEMUCPUState *)uptr)->ds.pad, + ((QEMUCPUState *)uptr)->ds.base); + netdump_print("es:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->es.selector, + ((QEMUCPUState *)uptr)->es.limit, + ((QEMUCPUState *)uptr)->es.flags, + ((QEMUCPUState *)uptr)->es.pad, + ((QEMUCPUState *)uptr)->es.base); + netdump_print("fs:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->fs.selector, + ((QEMUCPUState *)uptr)->fs.limit, + ((QEMUCPUState *)uptr)->fs.flags, + ((QEMUCPUState *)uptr)->fs.pad, + ((QEMUCPUState *)uptr)->fs.base); + netdump_print("gs:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->gs.selector, + ((QEMUCPUState *)uptr)->gs.limit, + ((QEMUCPUState *)uptr)->gs.flags, + ((QEMUCPUState *)uptr)->gs.pad, + ((QEMUCPUState *)uptr)->gs.base); + netdump_print("ss:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->ss.selector, + ((QEMUCPUState *)uptr)->ss.limit, + ((QEMUCPUState *)uptr)->ss.flags, + ((QEMUCPUState *)uptr)->ss.pad, + ((QEMUCPUState *)uptr)->ss.base); + netdump_print("ldt:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->ldt.selector, + ((QEMUCPUState *)uptr)->ldt.limit, + ((QEMUCPUState *)uptr)->ldt.flags, + ((QEMUCPUState *)uptr)->ldt.pad, + ((QEMUCPUState *)uptr)->ldt.base); + netdump_print("tr:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->tr.selector, + ((QEMUCPUState *)uptr)->tr.limit, + ((QEMUCPUState *)uptr)->tr.flags, + ((QEMUCPUState *)uptr)->tr.pad, + ((QEMUCPUState *)uptr)->tr.base); + netdump_print("gdt:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->gdt.selector, + ((QEMUCPUState *)uptr)->gdt.limit, + ((QEMUCPUState *)uptr)->gdt.flags, + ((QEMUCPUState *)uptr)->gdt.pad, + ((QEMUCPUState *)uptr)->gdt.base); + netdump_print("idt:\n selector:%08lx limit:%08lx flags:%08lx\n\ + pad:%08lx base:%016llx\n", + ((QEMUCPUState *)uptr)->idt.selector, + ((QEMUCPUState *)uptr)->idt.limit, + ((QEMUCPUState *)uptr)->idt.flags, + ((QEMUCPUState *)uptr)->idt.pad, + ((QEMUCPUState *)uptr)->idt.base); + netdump_print("cr[0]:%016llx cr[1]:%016llx cr[2]:%016llx\n", + ((QEMUCPUState *)uptr)->cr[0], + ((QEMUCPUState *)uptr)->cr[1], + ((QEMUCPUState *)uptr)->cr[2]); + netdump_print("cr[3]:%016llx cr[4]:%016llx\n", + ((QEMUCPUState *)uptr)->cr[3], + ((QEMUCPUState *)uptr)->cr[4]); + } + if (BITS32() && (xen_core || (note->n_type == NT_PRSTATUS))) { iptr = (int *)uptr; for (i = lf = 0; i < note->n_descsz/sizeof(ulong); i++) { -- 1.7.1