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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/arch/x86/annotate
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/arch/x86/annotate')
-rw-r--r--tools/perf/arch/x86/annotate/instructions.c205
1 files changed, 205 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c
new file mode 100644
index 0000000000..5f4ac4fc7f
--- /dev/null
+++ b/tools/perf/arch/x86/annotate/instructions.c
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * x86 instruction nmemonic table to parse disasm lines for annotate.
+ * This table is searched twice - one for exact match and another for
+ * match without a size suffix (b, w, l, q) in case of AT&T syntax.
+ *
+ * So this table should not have entries with the suffix unless it's
+ * a complete different instruction than ones without the suffix.
+ */
+static struct ins x86__instructions[] = {
+ { .name = "adc", .ops = &mov_ops, },
+ { .name = "add", .ops = &mov_ops, },
+ { .name = "addsd", .ops = &mov_ops, },
+ { .name = "and", .ops = &mov_ops, },
+ { .name = "andpd", .ops = &mov_ops, },
+ { .name = "andps", .ops = &mov_ops, },
+ { .name = "bsr", .ops = &mov_ops, },
+ { .name = "bt", .ops = &mov_ops, },
+ { .name = "btr", .ops = &mov_ops, },
+ { .name = "bts", .ops = &mov_ops, },
+ { .name = "call", .ops = &call_ops, },
+ { .name = "cmovbe", .ops = &mov_ops, },
+ { .name = "cmove", .ops = &mov_ops, },
+ { .name = "cmovae", .ops = &mov_ops, },
+ { .name = "cmp", .ops = &mov_ops, },
+ { .name = "cmpxch", .ops = &mov_ops, },
+ { .name = "cmpxchg", .ops = &mov_ops, },
+ { .name = "cs", .ops = &mov_ops, },
+ { .name = "dec", .ops = &dec_ops, },
+ { .name = "divsd", .ops = &mov_ops, },
+ { .name = "divss", .ops = &mov_ops, },
+ { .name = "gs", .ops = &mov_ops, },
+ { .name = "imul", .ops = &mov_ops, },
+ { .name = "inc", .ops = &dec_ops, },
+ { .name = "ja", .ops = &jump_ops, },
+ { .name = "jae", .ops = &jump_ops, },
+ { .name = "jb", .ops = &jump_ops, },
+ { .name = "jbe", .ops = &jump_ops, },
+ { .name = "jc", .ops = &jump_ops, },
+ { .name = "jcxz", .ops = &jump_ops, },
+ { .name = "je", .ops = &jump_ops, },
+ { .name = "jecxz", .ops = &jump_ops, },
+ { .name = "jg", .ops = &jump_ops, },
+ { .name = "jge", .ops = &jump_ops, },
+ { .name = "jl", .ops = &jump_ops, },
+ { .name = "jle", .ops = &jump_ops, },
+ { .name = "jmp", .ops = &jump_ops, },
+ { .name = "jna", .ops = &jump_ops, },
+ { .name = "jnae", .ops = &jump_ops, },
+ { .name = "jnb", .ops = &jump_ops, },
+ { .name = "jnbe", .ops = &jump_ops, },
+ { .name = "jnc", .ops = &jump_ops, },
+ { .name = "jne", .ops = &jump_ops, },
+ { .name = "jng", .ops = &jump_ops, },
+ { .name = "jnge", .ops = &jump_ops, },
+ { .name = "jnl", .ops = &jump_ops, },
+ { .name = "jnle", .ops = &jump_ops, },
+ { .name = "jno", .ops = &jump_ops, },
+ { .name = "jnp", .ops = &jump_ops, },
+ { .name = "jns", .ops = &jump_ops, },
+ { .name = "jnz", .ops = &jump_ops, },
+ { .name = "jo", .ops = &jump_ops, },
+ { .name = "jp", .ops = &jump_ops, },
+ { .name = "jpe", .ops = &jump_ops, },
+ { .name = "jpo", .ops = &jump_ops, },
+ { .name = "jrcxz", .ops = &jump_ops, },
+ { .name = "js", .ops = &jump_ops, },
+ { .name = "jz", .ops = &jump_ops, },
+ { .name = "lea", .ops = &mov_ops, },
+ { .name = "lock", .ops = &lock_ops, },
+ { .name = "mov", .ops = &mov_ops, },
+ { .name = "movapd", .ops = &mov_ops, },
+ { .name = "movaps", .ops = &mov_ops, },
+ { .name = "movdqa", .ops = &mov_ops, },
+ { .name = "movdqu", .ops = &mov_ops, },
+ { .name = "movsd", .ops = &mov_ops, },
+ { .name = "movslq", .ops = &mov_ops, },
+ { .name = "movss", .ops = &mov_ops, },
+ { .name = "movupd", .ops = &mov_ops, },
+ { .name = "movups", .ops = &mov_ops, },
+ { .name = "movzbl", .ops = &mov_ops, },
+ { .name = "movzwl", .ops = &mov_ops, },
+ { .name = "mulsd", .ops = &mov_ops, },
+ { .name = "mulss", .ops = &mov_ops, },
+ { .name = "nop", .ops = &nop_ops, },
+ { .name = "or", .ops = &mov_ops, },
+ { .name = "orps", .ops = &mov_ops, },
+ { .name = "pand", .ops = &mov_ops, },
+ { .name = "paddq", .ops = &mov_ops, },
+ { .name = "pcmpeqb", .ops = &mov_ops, },
+ { .name = "por", .ops = &mov_ops, },
+ { .name = "rcl", .ops = &mov_ops, },
+ { .name = "ret", .ops = &ret_ops, },
+ { .name = "sbb", .ops = &mov_ops, },
+ { .name = "sete", .ops = &mov_ops, },
+ { .name = "sub", .ops = &mov_ops, },
+ { .name = "subsd", .ops = &mov_ops, },
+ { .name = "test", .ops = &mov_ops, },
+ { .name = "tzcnt", .ops = &mov_ops, },
+ { .name = "ucomisd", .ops = &mov_ops, },
+ { .name = "ucomiss", .ops = &mov_ops, },
+ { .name = "vaddsd", .ops = &mov_ops, },
+ { .name = "vandpd", .ops = &mov_ops, },
+ { .name = "vmovdqa", .ops = &mov_ops, },
+ { .name = "vmovq", .ops = &mov_ops, },
+ { .name = "vmovsd", .ops = &mov_ops, },
+ { .name = "vmulsd", .ops = &mov_ops, },
+ { .name = "vorpd", .ops = &mov_ops, },
+ { .name = "vsubsd", .ops = &mov_ops, },
+ { .name = "vucomisd", .ops = &mov_ops, },
+ { .name = "xadd", .ops = &mov_ops, },
+ { .name = "xbegin", .ops = &jump_ops, },
+ { .name = "xchg", .ops = &mov_ops, },
+ { .name = "xor", .ops = &mov_ops, },
+ { .name = "xorpd", .ops = &mov_ops, },
+ { .name = "xorps", .ops = &mov_ops, },
+};
+
+static bool amd__ins_is_fused(struct arch *arch, const char *ins1,
+ const char *ins2)
+{
+ if (strstr(ins2, "jmp"))
+ return false;
+
+ /* Family >= 15h supports cmp/test + branch fusion */
+ if (arch->family >= 0x15 && (strstarts(ins1, "test") ||
+ (strstarts(ins1, "cmp") && !strstr(ins1, "xchg")))) {
+ return true;
+ }
+
+ /* Family >= 19h supports some ALU + branch fusion */
+ if (arch->family >= 0x19 && (strstarts(ins1, "add") ||
+ strstarts(ins1, "sub") || strstarts(ins1, "and") ||
+ strstarts(ins1, "inc") || strstarts(ins1, "dec") ||
+ strstarts(ins1, "or") || strstarts(ins1, "xor"))) {
+ return true;
+ }
+
+ return false;
+}
+
+static bool intel__ins_is_fused(struct arch *arch, const char *ins1,
+ const char *ins2)
+{
+ if (arch->family != 6 || arch->model < 0x1e || strstr(ins2, "jmp"))
+ return false;
+
+ if (arch->model == 0x1e) {
+ /* Nehalem */
+ if ((strstr(ins1, "cmp") && !strstr(ins1, "xchg")) ||
+ strstr(ins1, "test")) {
+ return true;
+ }
+ } else {
+ /* Newer platform */
+ if ((strstr(ins1, "cmp") && !strstr(ins1, "xchg")) ||
+ strstr(ins1, "test") ||
+ strstr(ins1, "add") ||
+ strstr(ins1, "sub") ||
+ strstr(ins1, "and") ||
+ strstr(ins1, "inc") ||
+ strstr(ins1, "dec")) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static int x86__cpuid_parse(struct arch *arch, char *cpuid)
+{
+ unsigned int family, model, stepping;
+ int ret;
+
+ /*
+ * cpuid = "GenuineIntel,family,model,stepping"
+ */
+ ret = sscanf(cpuid, "%*[^,],%u,%u,%u", &family, &model, &stepping);
+ if (ret == 3) {
+ arch->family = family;
+ arch->model = model;
+ arch->ins_is_fused = strstarts(cpuid, "AuthenticAMD") ?
+ amd__ins_is_fused :
+ intel__ins_is_fused;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int x86__annotate_init(struct arch *arch, char *cpuid)
+{
+ int err = 0;
+
+ if (arch->initialized)
+ return 0;
+
+ if (cpuid) {
+ if (x86__cpuid_parse(arch, cpuid))
+ err = SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING;
+ }
+
+ arch->initialized = true;
+ return err;
+}