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authorIan Rogers <irogers@google.com>2026-01-22 13:35:12 -0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2026-01-23 16:58:38 -0300
commit07b972ff09f45cfb7acd20cd9b3769c6975bc434 (patch)
treef8cecf6a6a63113dd96b4305a42ef5af5eecef2b /tools/perf/util/annotate-arch/annotate-s390.c
parent9273085273103e5994952dc2725f1f0109af97d1 (diff)
downloadlinux-next-07b972ff09f45cfb7acd20cd9b3769c6975bc434.tar.gz
linux-next-07b972ff09f45cfb7acd20cd9b3769c6975bc434.zip
perf disasm: Don't include C files from the arch directory
Move the arch instructions.c files into appropriately named files in annotate-arch in the util directory. Don't #include to compile the code, switch to building the files and fix up the #includes accordingly. Move powerpc specific disasm code out of disasm.c and into annotate-powerpc.c. Declarations and static removed as appropriate for the code to compile as separate compilation units. The e_machine and e_flags set up is moved to the disasm.c architectures array so that later patches can sort by them. Reviewed-by: James Clark <james.clark@linaro.org> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Aditya Bodkhe <aditya.b1@linux.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Ghiti <alex@ghiti.fr> Cc: Athira Rajeev <atrajeev@linux.ibm.com> Cc: Bill Wendling <morbo@google.com> Cc: Dr. David Alan Gilbert <linux@treblig.org> Cc: Guo Ren <guoren@kernel.org> Cc: Howard Chu <howardchu95@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Julia Lawall <Julia.Lawall@inria.fr> Cc: Justin Stitt <justinstitt@google.com> Cc: Krzysztof Łopatowski <krzysztof.m.lopatowski@gmail.com> Cc: Leo Yan <leo.yan@linux.dev> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <nick.desaulniers+lkml@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <pjw@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sergei Trofimovich <slyich@gmail.com> Cc: Shimin Guo <shimin.guo@skydio.com> Cc: Suchit Karunakaran <suchitkarunakaran@gmail.com> Cc: Thomas Falcon <thomas.falcon@intel.com> Cc: Tianyou Li <tianyou.li@intel.com> Cc: Will Deacon <will@kernel.org> Cc: Zecheng Li <zecheng@google.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/annotate-arch/annotate-s390.c')
-rw-r--r--tools/perf/util/annotate-arch/annotate-s390.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/tools/perf/util/annotate-arch/annotate-s390.c b/tools/perf/util/annotate-arch/annotate-s390.c
new file mode 100644
index 000000000000..81db102b3e15
--- /dev/null
+++ b/tools/perf/util/annotate-arch/annotate-s390.c
@@ -0,0 +1,185 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include <linux/compiler.h>
+#include "../debug.h"
+#include "../disasm.h"
+#include "../map.h"
+#include "../maps.h"
+#include "../symbol.h"
+#include "../annotate.h"
+#include "../annotate-data.h"
+
+static int s390_call__parse(const struct arch *arch, struct ins_operands *ops,
+ struct map_symbol *ms,
+ struct disasm_line *dl __maybe_unused)
+{
+ char *endptr, *tok, *name;
+ struct map *map = ms->map;
+ struct addr_map_symbol target;
+
+ tok = strchr(ops->raw, ',');
+ if (!tok)
+ return -1;
+
+ ops->target.addr = strtoull(tok + 1, &endptr, 16);
+
+ name = strchr(endptr, '<');
+ if (name == NULL)
+ return -1;
+
+ name++;
+
+ if (arch->objdump.skip_functions_char &&
+ strchr(name, arch->objdump.skip_functions_char))
+ return -1;
+
+ tok = strchr(name, '>');
+ if (tok == NULL)
+ return -1;
+
+ *tok = '\0';
+ ops->target.name = strdup(name);
+ *tok = '>';
+
+ if (ops->target.name == NULL)
+ return -1;
+
+ target = (struct addr_map_symbol) {
+ .ms = { .map = map__get(map), },
+ .addr = map__objdump_2mem(map, ops->target.addr),
+ };
+
+ if (maps__find_ams(ms->maps, &target) == 0 &&
+ map__rip_2objdump(target.ms.map, map__map_ip(target.ms.map, target.addr)) == ops->target.addr)
+ ops->target.sym = target.ms.sym;
+
+ addr_map_symbol__exit(&target);
+ return 0;
+}
+
+const struct ins_ops s390_call_ops = {
+ .parse = s390_call__parse,
+ .scnprintf = call__scnprintf,
+};
+
+static int s390_mov__parse(const struct arch *arch __maybe_unused,
+ struct ins_operands *ops,
+ struct map_symbol *ms __maybe_unused,
+ struct disasm_line *dl __maybe_unused)
+{
+ char *s = strchr(ops->raw, ','), *target, *endptr;
+
+ if (s == NULL)
+ return -1;
+
+ *s = '\0';
+ ops->source.raw = strdup(ops->raw);
+ *s = ',';
+
+ if (ops->source.raw == NULL)
+ return -1;
+
+ target = ++s;
+ ops->target.raw = strdup(target);
+ if (ops->target.raw == NULL)
+ goto out_free_source;
+
+ ops->target.addr = strtoull(target, &endptr, 16);
+ if (endptr == target)
+ goto out_free_target;
+
+ s = strchr(endptr, '<');
+ if (s == NULL)
+ goto out_free_target;
+ endptr = strchr(s + 1, '>');
+ if (endptr == NULL)
+ goto out_free_target;
+
+ *endptr = '\0';
+ ops->target.name = strdup(s + 1);
+ *endptr = '>';
+ if (ops->target.name == NULL)
+ goto out_free_target;
+
+ return 0;
+
+out_free_target:
+ zfree(&ops->target.raw);
+out_free_source:
+ zfree(&ops->source.raw);
+ return -1;
+}
+
+
+static const struct ins_ops s390_mov_ops = {
+ .parse = s390_mov__parse,
+ .scnprintf = mov__scnprintf,
+};
+
+static const struct ins_ops *s390__associate_ins_ops(struct arch *arch, const char *name)
+{
+ const struct ins_ops *ops = NULL;
+
+ /* catch all kind of jumps */
+ if (strchr(name, 'j') ||
+ !strncmp(name, "bct", 3) ||
+ !strncmp(name, "br", 2))
+ ops = &jump_ops;
+ /* override call/returns */
+ if (!strcmp(name, "bras") ||
+ !strcmp(name, "brasl") ||
+ !strcmp(name, "basr"))
+ ops = &s390_call_ops;
+ if (!strcmp(name, "br"))
+ ops = &ret_ops;
+ /* override load/store relative to PC */
+ if (!strcmp(name, "lrl") ||
+ !strcmp(name, "lgrl") ||
+ !strcmp(name, "lgfrl") ||
+ !strcmp(name, "llgfrl") ||
+ !strcmp(name, "strl") ||
+ !strcmp(name, "stgrl"))
+ ops = &s390_mov_ops;
+
+ if (ops)
+ arch__associate_ins_ops(arch, name, ops);
+ return ops;
+}
+
+static int s390__cpuid_parse(struct arch *arch, char *cpuid)
+{
+ unsigned int family;
+ char model[16], model_c[16], cpumf_v[16], cpumf_a[16];
+ int ret;
+
+ /*
+ * cpuid string format:
+ * "IBM,family,model-capacity,model[,cpum_cf-version,cpum_cf-authorization]"
+ */
+ ret = sscanf(cpuid, "%*[^,],%u,%[^,],%[^,],%[^,],%s", &family, model_c,
+ model, cpumf_v, cpumf_a);
+ if (ret >= 2) {
+ arch->family = family;
+ arch->model = 0;
+ return 0;
+ }
+
+ return -1;
+}
+
+int s390__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ int err = 0;
+
+ if (!arch->initialized) {
+ arch->initialized = true;
+ arch->associate_instruction_ops = s390__associate_ins_ops;
+ if (cpuid) {
+ if (s390__cpuid_parse(arch, cpuid))
+ err = SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING;
+ }
+ arch->objdump.comment_char = '#';
+ }
+
+ return err;
+}