diff options
Diffstat (limited to 'tools/debugger/gdbsx/gx/gx_local.c')
| -rw-r--r-- | tools/debugger/gdbsx/gx/gx_local.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/tools/debugger/gdbsx/gx/gx_local.c b/tools/debugger/gdbsx/gx/gx_local.c new file mode 100644 index 0000000000..c8f0e72a1b --- /dev/null +++ b/tools/debugger/gdbsx/gx/gx_local.c @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2009, Mukesh Rathor, Oracle Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License v2 as published by the Free Software Foundation. + * + * This program 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + + +/* This file to impelement functions that run interactively and don't + * involve remote gdb. Eg, print vcpu context and exit. */ + +#include <stdio.h> +#include <stdint.h> +#include <stdarg.h> +#include <errno.h> + +#include "gx.h" + +extern vcpuid_t max_vcpuid; +extern int guest_bitness; + +static void +prnt_32regs(struct xg_gdb_regs32 *r32p) +{ + printf("eip:%08x esp:%08x flags:%08x\n", r32p->eip, r32p->esp, + r32p->eflags); + printf("eax:%08x ebx:%08x ecx:%08x edx:%08x\n", r32p->eax, + r32p->ebx, r32p->ecx, r32p->edx); + printf("esi:%08x edi:%08x ebp:%08x\n", r32p->esi, r32p->edi, + r32p->ebp); + printf("cs:%x ds:%x fs:%x gs:%x\n", r32p->cs, r32p->ds, r32p->fs, + r32p->gs); + printf("\n"); +} + +static void +prnt_64regs(struct xg_gdb_regs64 *r64p) +{ + printf("rip:"XGF64" rsp:"XGF64" flags:"XGF64"\n", r64p->rip, r64p->rsp, + r64p->rflags); + printf("rax:"XGF64" rbx:"XGF64" rcx:"XGF64"\n", r64p->rax, r64p->rbx, + r64p->rcx); + printf("rdx:"XGF64" rsi:"XGF64" rdi:"XGF64"\n", r64p->rdx, r64p->rsi, + r64p->rdi); + printf("r08:"XGF64" r09:"XGF64" r10:"XGF64"\n", r64p->r8, r64p->r9, + r64p->r10); + printf("r11:"XGF64" r12:"XGF64" r13:"XGF64"\n", r64p->r11, r64p->r12, + r64p->r13); + printf("r14:"XGF64" r15:"XGF64" rbp:"XGF64"\n", r64p->r14, r64p->r15, + r64p->rbp); + printf("cs:"XGF64" ds:"XGF64" fs:"XGF64" gs:"XGF64"\n", r64p->cs, + r64p->ds, r64p->fs, r64p->gs); + printf("\n"); +} + + +static void +prnt_call_trace32(uint32_t ip, uint32_t sp) +{ + int stack_max=10; /* try to print upto 10 entries if possible */ + uint32_t loopmax=0, val; + + printf("Call Trace:\n"); + printf(" [%08x]\n", ip); + + while(stack_max > 0) { + if (xg_read_mem((uint64_t)sp, (char *)&val, sizeof(val),0) != 0) + return; + if (val > 0x0c000000) { /* kernel addr */ + printf(" [%08x]\n", val); + --stack_max; + } + sp += sizeof(sp); + if (++loopmax > 10000) /* don't go forever */ + break; + } +} + +static void +prnt_call_trace64(uint64_t ip, uint64_t sp) +{ + int stack_max=10; /* try to print upto 10 entries if possible */ + uint64_t loopmax=0, val; + + printf("Call Trace:\n"); + printf(" ["XGF64"]\n", ip); + + while(stack_max > 0) { + if (xg_read_mem(sp, (char *)&val, sizeof(val),0) != 0) + return; + if (val > 0xffffffff80000000UL) { /* kernel addr */ + printf(" ["XGF64"]\n", val); + --stack_max; + } + sp += sizeof(sp); + if (++loopmax > 10000) /* don't go forever */ + break; + } +} + +static int +prnt_vcpu_context(vcpuid_t vcpuid) +{ + union xg_gdb_regs gregs; + int rc; + + printf("\n--> VCPU:%d\n", vcpuid); + rc = xg_regs_read(XG_GPRS, vcpuid, &gregs, guest_bitness); + if (rc) { + gxprt("ERROR: failed to read regs. errno:%d\n", errno); + return 1; + } + if (guest_bitness==32) { + prnt_32regs(&gregs.gregs_32); + prnt_call_trace32(gregs.gregs_32.eip, gregs.gregs_32.esp); + } else { + prnt_64regs(&gregs.gregs_64); + prnt_call_trace64(gregs.gregs_64.rip, gregs.gregs_64.rsp); + } + return 0; +} + +/* vcpuid is already checked to be <= max_vcpuid */ +int +gx_local_cmd(domid_t domid, vcpuid_t vcpuid) +{ + printf("===> Context for DOMID:%d\n", domid); + if (vcpuid == -1) { + int i; + for (i=0; i <= max_vcpuid; i++) + prnt_vcpu_context(i); + } else + prnt_vcpu_context(vcpuid); + return 0; +} |