From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- tools/perf/arch/arm/annotate/instructions.c | 63 +++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 tools/perf/arch/arm/annotate/instructions.c (limited to 'tools/perf/arch/arm/annotate/instructions.c') diff --git a/tools/perf/arch/arm/annotate/instructions.c b/tools/perf/arch/arm/annotate/instructions.c new file mode 100644 index 000000000..2ff6cedeb --- /dev/null +++ b/tools/perf/arch/arm/annotate/instructions.c @@ -0,0 +1,63 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include +#include + +struct arm_annotate { + regex_t call_insn, + jump_insn; +}; + +static struct ins_ops *arm__associate_instruction_ops(struct arch *arch, const char *name) +{ + struct arm_annotate *arm = arch->priv; + struct ins_ops *ops; + regmatch_t match[2]; + + if (!regexec(&arm->call_insn, name, 2, match, 0)) + ops = &call_ops; + else if (!regexec(&arm->jump_insn, name, 2, match, 0)) + ops = &jump_ops; + else + return NULL; + + arch__associate_ins_ops(arch, name, ops); + return ops; +} + +static int arm__annotate_init(struct arch *arch, char *cpuid __maybe_unused) +{ + struct arm_annotate *arm; + int err; + + if (arch->initialized) + return 0; + + arm = zalloc(sizeof(*arm)); + if (!arm) + return ENOMEM; + +#define ARM_CONDS "(cc|cs|eq|ge|gt|hi|le|ls|lt|mi|ne|pl|vc|vs)" + err = regcomp(&arm->call_insn, "^blx?" ARM_CONDS "?$", REG_EXTENDED); + if (err) + goto out_free_arm; + err = regcomp(&arm->jump_insn, "^bx?" ARM_CONDS "?$", REG_EXTENDED); + if (err) + goto out_free_call; +#undef ARM_CONDS + + arch->initialized = true; + arch->priv = arm; + arch->associate_instruction_ops = arm__associate_instruction_ops; + arch->objdump.comment_char = ';'; + arch->objdump.skip_functions_char = '+'; + return 0; + +out_free_call: + regfree(&arm->call_insn); +out_free_arm: + free(arm); + return SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP; +} -- cgit v1.2.3