109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
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/*
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* Copyright (c) 2020 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include <debug/coredump.h>
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#define ARCH_HDR_VER 1
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struct x86_64_arch_block {
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uint64_t vector;
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uint64_t code;
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struct {
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uint64_t rax;
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uint64_t rcx;
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uint64_t rdx;
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uint64_t rsi;
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uint64_t rdi;
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uint64_t rsp;
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uint64_t r8;
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uint64_t r9;
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uint64_t r10;
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uint64_t r11;
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uint64_t rip;
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uint64_t eflags;
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uint64_t cs;
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uint64_t ss;
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uint64_t rbp;
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#ifdef CONFIG_EXCEPTION_DEBUG
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uint64_t rbx;
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uint64_t r12;
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uint64_t r13;
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uint64_t r14;
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uint64_t r15;
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#endif
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} r;
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} __packed;
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/*
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* Register block takes up too much stack space
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* if defined within function. So define it here.
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*/
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static struct x86_64_arch_block arch_blk;
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void arch_coredump_info_dump(const z_arch_esf_t *esf)
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{
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struct z_coredump_arch_hdr_t hdr = {
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.id = Z_COREDUMP_ARCH_HDR_ID,
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.hdr_version = ARCH_HDR_VER,
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.num_bytes = sizeof(arch_blk),
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};
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/* Nothing to process */
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if (esf == NULL) {
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return;
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}
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(void)memset(&arch_blk, 0, sizeof(arch_blk));
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arch_blk.vector = esf->vector;
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arch_blk.code = esf->code;
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/*
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* 34 registers expected by GDB.
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* Not all are in ESF but the GDB stub
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* will need to send all 34 as one packet.
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* The stub will need to send undefined
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* for registers not presented in coredump.
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*/
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arch_blk.r.rax = esf->rax;
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arch_blk.r.rcx = esf->rcx;
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arch_blk.r.rdx = esf->rdx;
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arch_blk.r.rsi = esf->rsi;
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arch_blk.r.rdi = esf->rdi;
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arch_blk.r.rsp = esf->rsp;
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arch_blk.r.rip = esf->rip;
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arch_blk.r.r8 = esf->r8;
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arch_blk.r.r9 = esf->r9;
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arch_blk.r.r10 = esf->r10;
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arch_blk.r.r11 = esf->r11;
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arch_blk.r.eflags = esf->rflags;
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arch_blk.r.cs = esf->cs & 0xFFFFU;
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arch_blk.r.ss = esf->ss;
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arch_blk.r.rbp = esf->rbp;
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#ifdef CONFIG_EXCEPTION_DEBUG
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arch_blk.r.rbx = esf->rbx;
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arch_blk.r.r12 = esf->r12;
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arch_blk.r.r13 = esf->r13;
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arch_blk.r.r14 = esf->r14;
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arch_blk.r.r15 = esf->r15;
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#endif
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/* Send for output */
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z_coredump_buffer_output((uint8_t *)&hdr, sizeof(hdr));
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z_coredump_buffer_output((uint8_t *)&arch_blk, sizeof(arch_blk));
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}
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uint16_t arch_coredump_tgt_code_get(void)
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{
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return COREDUMP_TGT_X86_64;
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}
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