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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-08-09 06:14:34 +02:00
Ian RogersandArnaldo Carvalho de Melo
c4e16f0543
Avoid string comparisons with perf_env arch, switch to using the more precise ELF machine. Sort header files and fix missing definitions. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Honglei Wang <jameshongleiwang@126.com> Cc: Jan Polensky <japo@linux.ibm.com> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Instruction binary disassembler based on capstone.
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*
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* Author(s): Changbin Du <changbin.du@huawei.com>
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*/
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#include "print_insn.h"
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#include <inttypes.h>
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#include <stdbool.h>
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#include <string.h>
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#include <dwarf-regs.h>
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#include "capstone.h"
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#include "debug.h"
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#include "dso.h"
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#include "dump-insn.h"
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#include "env.h"
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#include "machine.h"
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#include "map.h"
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#include "sample.h"
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#include "symbol.h"
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#include "thread.h"
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size_t sample__fprintf_insn_raw(struct perf_sample *sample, FILE *fp)
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{
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int printed = 0;
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for (int i = 0; i < sample->insn_len; i++) {
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printed += fprintf(fp, "%02x", (unsigned char)sample->insn[i]);
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if (sample->insn_len - i > 1)
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printed += fprintf(fp, " ");
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}
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return printed;
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}
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static bool is64bitip(struct machine *machine, struct addr_location *al)
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{
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const struct dso *dso = al->map ? map__dso(al->map) : NULL;
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uint16_t e_machine;
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if (dso)
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return dso__is_64_bit(dso);
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e_machine = perf_env__e_machine(machine->env, /*e_flags=*/NULL);
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return e_machine == EM_X86_64 || e_machine == EM_AARCH64 || e_machine == EM_S390;
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}
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ssize_t fprintf_insn_asm(struct machine *machine, struct thread *thread, u8 cpumode,
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bool is64bit, const uint8_t *code, size_t code_size,
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uint64_t ip, int *lenp, int print_opts, FILE *fp)
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{
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return capstone__fprintf_insn_asm(machine, thread, cpumode, is64bit, code, code_size,
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ip, lenp, print_opts, fp);
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}
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size_t sample__fprintf_insn_asm(struct perf_sample *sample, struct thread *thread,
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struct machine *machine, FILE *fp,
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struct addr_location *al)
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{
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bool is64bit = is64bitip(machine, al);
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ssize_t printed;
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printed = fprintf_insn_asm(machine, thread, sample->cpumode, is64bit,
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(uint8_t *)sample->insn, sample->insn_len,
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sample->ip, NULL, 0, fp);
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if (printed < 0)
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return sample__fprintf_insn_raw(sample, fp);
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return printed;
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}
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