diff options
| -rw-r--r-- | tools/perf/arch/powerpc/annotate/instructions.c | 58 | ||||
| -rw-r--r-- | tools/perf/util/annotate.c | 5 |
2 files changed, 63 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/annotate/instructions.c b/tools/perf/arch/powerpc/annotate/instructions.c new file mode 100644 index 000000000000..3c4004db81b9 --- /dev/null +++ b/tools/perf/arch/powerpc/annotate/instructions.c @@ -0,0 +1,58 @@ +static struct ins_ops *powerpc__associate_instruction_ops(struct arch *arch, const char *name) +{ + int i; + struct ins_ops *ops; + + /* + * - Interested only if instruction starts with 'b'. + * - Few start with 'b', but aren't branch instructions. + */ + if (name[0] != 'b' || + !strncmp(name, "bcd", 3) || + !strncmp(name, "brinc", 5) || + !strncmp(name, "bper", 4)) + return NULL; + + ops = &jump_ops; + + i = strlen(name) - 1; + if (i < 0) + return NULL; + + /* ignore optional hints at the end of the instructions */ + if (name[i] == '+' || name[i] == '-') + i--; + + if (name[i] == 'l' || (name[i] == 'a' && name[i-1] == 'l')) { + /* + * if the instruction ends up with 'l' or 'la', then + * those are considered 'calls' since they update LR. + * ... except for 'bnl' which is branch if not less than + * and the absolute form of the same. + */ + if (strcmp(name, "bnl") && strcmp(name, "bnl+") && + strcmp(name, "bnl-") && strcmp(name, "bnla") && + strcmp(name, "bnla+") && strcmp(name, "bnla-")) + ops = &call_ops; + } + if (name[i] == 'r' && name[i-1] == 'l') + /* + * instructions ending with 'lr' are considered to be + * return instructions + */ + ops = &ret_ops; + + arch__associate_ins_ops(arch, name, ops); + return ops; +} + +static int powerpc__annotate_init(struct arch *arch) +{ + if (!arch->initialized) { + arch->initialized = true; + arch->associate_instruction_ops = powerpc__associate_instruction_ops; + arch->objdump.comment_char = '#'; + } + + return 0; +} diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index bad44db7dd67..3e34ee0fde28 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -106,6 +106,7 @@ static int arch__associate_ins_ops(struct arch* arch, const char *name, struct i #include "arch/arm/annotate/instructions.c" #include "arch/x86/annotate/instructions.c" +#include "arch/powerpc/annotate/instructions.c" static struct arch architectures[] = { { @@ -120,6 +121,10 @@ static struct arch architectures[] = { .comment_char = '#', }, }, + { + .name = "powerpc", + .init = powerpc__annotate_init, + }, }; static void ins__delete(struct ins_operands *ops) |