Re: [PATCH] perf annotate: Cleanup arch specific stuff

From: Arnaldo Carvalho de Melo
Date: Mon Oct 10 2016 - 12:24:26 EST

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In reply to: Ravi Bangoria: "[PATCH] perf annotate: Cleanup arch specific stuff"
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Em Mon, Oct 10, 2016 at 07:29:02PM +0530, Ravi Bangoria escreveu:
> Move arch specific stuff from util/annotate.c to their respective
> files in util/annotate directory.
>
> No functionality changes.
>
> Signed-off-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxxxxxxx>
> ---
> tools/perf/util/Build | 1 +
> tools/perf/util/annotate.c | 259 +++----------------------------------
> tools/perf/util/annotate.h | 23 ++++
> tools/perf/util/annotate/Build | 3 +
> tools/perf/util/annotate/arm.c | 50 +++++++
> tools/perf/util/annotate/powerpc.c | 63 +++++++++
> tools/perf/util/annotate/x86.c | 107 +++++++++++++++

We already have a per arch area: tools/perf/arch/

- Arnaldo

> 7 files changed, 264 insertions(+), 242 deletions(-)
> create mode 100644 tools/perf/util/annotate/Build
> create mode 100644 tools/perf/util/annotate/arm.c
> create mode 100644 tools/perf/util/annotate/powerpc.c
> create mode 100644 tools/perf/util/annotate/x86.c
>
> diff --git a/tools/perf/util/Build b/tools/perf/util/Build
> index eb60e61..1ee1170 100644
> --- a/tools/perf/util/Build
> +++ b/tools/perf/util/Build
> @@ -1,4 +1,5 @@
> libperf-y += alias.o
> +libperf-y += annotate/
> libperf-y += annotate.o
> libperf-y += block-range.o
> libperf-y += build-id.o
> diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
> index 83d5ac8..a168d1e 100644
> --- a/tools/perf/util/annotate.c
> +++ b/tools/perf/util/annotate.c
> @@ -28,7 +28,6 @@ const char *disassembler_style;
> const char *objdump_path;
> static regex_t file_lineno;
> static char *norm_arch;
> -static regex_t arm_call_insn, arm_jump_insn;
>
> static struct ins *ins__find(const char *name);
> static int disasm_line__parse(char *line, char **namep, char **rawp);
> @@ -110,7 +109,7 @@ static int call__scnprintf(struct ins *ins, char *bf, size_t size,
> return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr);
> }
>
> -static struct ins_ops call_ops = {
> +struct ins_ops call_ops = {
> .parse = call__parse,
> .scnprintf = call__scnprintf,
> };
> @@ -149,7 +148,7 @@ static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
> return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset);
> }
>
> -static struct ins_ops jump_ops = {
> +struct ins_ops jump_ops = {
> .parse = jump__parse,
> .scnprintf = jump__scnprintf,
> };
> @@ -242,7 +241,7 @@ static void lock__delete(struct ins_operands *ops)
> zfree(&ops->target.name);
> }
>
> -static struct ins_ops lock_ops = {
> +struct ins_ops lock_ops = {
> .free = lock__delete,
> .parse = lock__parse,
> .scnprintf = lock__scnprintf,
> @@ -306,7 +305,7 @@ static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
> ops->target.name ?: ops->target.raw);
> }
>
> -static struct ins_ops mov_ops = {
> +struct ins_ops mov_ops = {
> .parse = mov__parse,
> .scnprintf = mov__scnprintf,
> };
> @@ -347,7 +346,7 @@ static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
> ops->target.name ?: ops->target.raw);
> }
>
> -static struct ins_ops dec_ops = {
> +struct ins_ops dec_ops = {
> .parse = dec__parse,
> .scnprintf = dec__scnprintf,
> };
> @@ -358,11 +357,11 @@ static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
> return scnprintf(bf, size, "%-6.6s", "nop");
> }
>
> -static struct ins_ops nop_ops = {
> +struct ins_ops nop_ops = {
> .scnprintf = nop__scnprintf,
> };
>
> -static struct ins_ops ret_ops = {
> +struct ins_ops ret_ops = {
> .scnprintf = ins__raw_scnprintf,
> };
>
> @@ -371,107 +370,8 @@ bool ins__is_ret(const struct ins *ins)
> return ins->ops == &ret_ops;
> }
>
> -static struct ins instructions_x86[] = {
> - { .name = "add", .ops = &mov_ops, },
> - { .name = "addl", .ops = &mov_ops, },
> - { .name = "addq", .ops = &mov_ops, },
> - { .name = "addw", .ops = &mov_ops, },
> - { .name = "and", .ops = &mov_ops, },
> - { .name = "bts", .ops = &mov_ops, },
> - { .name = "call", .ops = &call_ops, },
> - { .name = "callq", .ops = &call_ops, },
> - { .name = "cmp", .ops = &mov_ops, },
> - { .name = "cmpb", .ops = &mov_ops, },
> - { .name = "cmpl", .ops = &mov_ops, },
> - { .name = "cmpq", .ops = &mov_ops, },
> - { .name = "cmpw", .ops = &mov_ops, },
> - { .name = "cmpxch", .ops = &mov_ops, },
> - { .name = "dec", .ops = &dec_ops, },
> - { .name = "decl", .ops = &dec_ops, },
> - { .name = "imul", .ops = &mov_ops, },
> - { .name = "inc", .ops = &dec_ops, },
> - { .name = "incl", .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 = "jmpq", .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 = "movb", .ops = &mov_ops, },
> - { .name = "movdqa", .ops = &mov_ops, },
> - { .name = "movl", .ops = &mov_ops, },
> - { .name = "movq", .ops = &mov_ops, },
> - { .name = "movslq", .ops = &mov_ops, },
> - { .name = "movzbl", .ops = &mov_ops, },
> - { .name = "movzwl", .ops = &mov_ops, },
> - { .name = "nop", .ops = &nop_ops, },
> - { .name = "nopl", .ops = &nop_ops, },
> - { .name = "nopw", .ops = &nop_ops, },
> - { .name = "or", .ops = &mov_ops, },
> - { .name = "orl", .ops = &mov_ops, },
> - { .name = "test", .ops = &mov_ops, },
> - { .name = "testb", .ops = &mov_ops, },
> - { .name = "testl", .ops = &mov_ops, },
> - { .name = "xadd", .ops = &mov_ops, },
> - { .name = "xbeginl", .ops = &jump_ops, },
> - { .name = "xbeginq", .ops = &jump_ops, },
> - { .name = "retq", .ops = &ret_ops, },
> -};
> -
> -struct instructions_arch {
> - struct ins *ins;
> - struct list_head list;
> -};
> -
> -static int ins__key_cmp(const void *name, const void *insp)
> -{
> - const struct ins *ins = insp;
> -
> - return strcmp(name, ins->name);
> -}
> -
> -static int ins__cmp(const void *a, const void *b)
> -{
> - const struct ins *ia = a;
> - const struct ins *ib = b;
> -
> - return strcmp(ia->name, ib->name);
> -}
> -
> -static struct ins *list_add__ins_arch(struct instructions_arch *head,
> - const char *name, struct ins_ops *ops)
> +struct ins *list_add__ins_arch(struct instructions_arch *head,
> + const char *name, struct ins_ops *ops)
> {
> struct instructions_arch *ins_arch;
> struct ins *ins;
> @@ -501,8 +401,8 @@ static struct ins *list_add__ins_arch(struct instructions_arch *head,
> return NULL;
> }
>
> -static struct ins *list_search__ins_arch(struct instructions_arch *head,
> - const char *name)
> +struct ins *list_search__ins_arch(struct instructions_arch *head,
> + const char *name)
> {
> struct instructions_arch *pos;
>
> @@ -513,106 +413,6 @@ static struct ins *list_search__ins_arch(struct instructions_arch *head,
> return NULL;
> }
>
> -static struct ins *ins__find_powerpc(const char *name)
> -{
> - int i;
> - struct ins *ins;
> - struct ins_ops *ops;
> - static struct instructions_arch head = {
> - .list = LIST_HEAD_INIT(head.list),
> - };
> -
> - /*
> - * - 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;
> -
> - /*
> - * Return if we already have object of 'struct ins' for this instruction
> - */
> - ins = list_search__ins_arch(&head, name);
> - if (ins)
> - return ins;
> -
> - 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;
> -
> - /*
> - * Add instruction to list so next time no need to
> - * allocate memory for it.
> - */
> - return list_add__ins_arch(&head, name, ops);
> -}
> -
> -static struct ins *ins__find_arm(const char *name)
> -{
> - struct ins *ins;
> - struct ins_ops *ops = &mov_ops;
> - regmatch_t match[2];
> - int ret;
> - static struct instructions_arch head = {
> - .list = LIST_HEAD_INIT(head.list),
> - };
> -
> - /*
> - * Return if we already have object of 'struct ins' for this instruction
> - */
> - ins = list_search__ins_arch(&head, name);
> - if (ins)
> - return ins;
> -
> - ret = regexec(&arm_call_insn, name, 2, match, 0);
> - if (!ret) {
> - ops = &call_ops;
> - } else {
> - ret = regexec(&arm_jump_insn, name, 2, match, 0);
> - if (!ret)
> - ops = &jump_ops;
> - }
> -
> - /*
> - * Add instruction to list so next time no need to
> - * allocate memory for it.
> - */
> - return list_add__ins_arch(&head, name, ops);
> -}
> -
> -static void ins__sort(struct ins *instructions, int nmemb)
> -{
> - qsort(instructions, nmemb, sizeof(struct ins), ins__cmp);
> -}
> -
> static const char *annotate__norm_arch(char *arch)
> {
> struct utsname uts;
> @@ -625,43 +425,18 @@ static const char *annotate__norm_arch(char *arch)
> return normalize_arch(arch);
> }
>
> -#define ARM_CONDS "(cc|cs|eq|ge|gt|hi|le|ls|lt|mi|ne|pl|vc|vs)"
> -
> static struct ins *ins__find(const char *name)
> {
> - static bool sorted;
> - struct ins *instructions;
> - int nmemb, ret;
> -
> - if (!sorted) {
> - ins__sort(instructions_x86, ARRAY_SIZE(instructions_x86));
> - if (!strcmp(norm_arch, "arm")) {
> - ret = regcomp(&arm_call_insn,
> - "^blx?" ARM_CONDS "?$", REG_EXTENDED);
> - ret |= regcomp(&arm_jump_insn,
> - "^bx?" ARM_CONDS "?$", REG_EXTENDED);
> - if (ret) {
> - pr_err("regcomp failed\n");
> - return NULL;
> - }
> - }
> - sorted = true;
> - }
> -
> - if (!strcmp(norm_arch, "x86")) {
> - instructions = instructions_x86;
> - nmemb = ARRAY_SIZE(instructions_x86);
> - } else if (!strcmp(norm_arch, "arm")) {
> + if (!strcmp(norm_arch, "x86"))
> + return ins__find_x86(name);
> + else if (!strcmp(norm_arch, "arm"))
> return ins__find_arm(name);
> - } else if (!strcmp(norm_arch, "powerpc")) {
> + else if (!strcmp(norm_arch, "powerpc"))
> return ins__find_powerpc(name);
> - } else {
> + else
> pr_err("perf annotate not supported by %s arch\n", norm_arch);
> - return NULL;
> - }
>
> - return bsearch(name, instructions, nmemb, sizeof(struct ins),
> - ins__key_cmp);
> + return NULL;
> }
>
> int symbol__alloc_hist(struct symbol *sym)
> diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
> index 7ba3579..91b705a 100644
> --- a/tools/perf/util/annotate.h
> +++ b/tools/perf/util/annotate.h
> @@ -42,11 +42,30 @@ struct ins_ops {
> struct ins_operands *ops);
> };
>
> +/* Defined in annotate.c */
> +extern struct ins_ops mov_ops;
> +extern struct ins_ops call_ops;
> +extern struct ins_ops dec_ops;
> +extern struct ins_ops jump_ops;
> +extern struct ins_ops lock_ops;
> +extern struct ins_ops nop_ops;
> +extern struct ins_ops ret_ops;
> +
> struct ins {
> const char *name;
> struct ins_ops *ops;
> };
>
> +struct instructions_arch {
> + struct ins *ins;
> + struct list_head list;
> +};
> +
> +struct ins *list_add__ins_arch(struct instructions_arch *head,
> + const char *name, struct ins_ops *ops);
> +struct ins *list_search__ins_arch(struct instructions_arch *head,
> + const char *name);
> +
> bool ins__is_jump(const struct ins *ins);
> bool ins__is_call(const struct ins *ins);
> bool ins__is_ret(const struct ins *ins);
> @@ -210,4 +229,8 @@ static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
>
> extern const char *disassembler_style;
>
> +struct ins *ins__find_x86(const char *name);
> +struct ins *ins__find_arm(const char *name);
> +struct ins *ins__find_powerpc(const char *name);
> +
> #endif /* __PERF_ANNOTATE_H */
> diff --git a/tools/perf/util/annotate/Build b/tools/perf/util/annotate/Build
> new file mode 100644
> index 0000000..ed87f1c
> --- /dev/null
> +++ b/tools/perf/util/annotate/Build
> @@ -0,0 +1,3 @@
> +libperf-y += x86.o
> +libperf-y += arm.o
> +libperf-y += powerpc.o
> diff --git a/tools/perf/util/annotate/arm.c b/tools/perf/util/annotate/arm.c
> new file mode 100644
> index 0000000..6bfc866
> --- /dev/null
> +++ b/tools/perf/util/annotate/arm.c
> @@ -0,0 +1,50 @@
> +#include "../annotate.h"
> +
> +static regex_t arm_call_insn, arm_jump_insn;
> +
> +#define ARM_CONDS "(cc|cs|eq|ge|gt|hi|le|ls|lt|mi|ne|pl|vc|vs)"
> +
> +static __attribute__((constructor)) void init_regex(void)
> +{
> + int ret;
> +
> + ret = regcomp(&arm_call_insn, "^blx?" ARM_CONDS "?$", REG_EXTENDED);
> + ret |= regcomp(&arm_jump_insn, "^bx?" ARM_CONDS "?$", REG_EXTENDED);
> +
> + if (ret)
> + pr_err("regcomp failed\n");
> +}
> +
> +struct ins *ins__find_arm(const char *name)
> +{
> + struct ins *ins;
> + struct ins_ops *ops = &mov_ops;
> + regmatch_t match[2];
> + int ret;
> + static struct instructions_arch head = {
> + .list = LIST_HEAD_INIT(head.list),
> + };
> +
> + /*
> + * Return if we already have object of 'struct ins' for this instruction
> + */
> + ins = list_search__ins_arch(&head, name);
> + if (ins)
> + return ins;
> +
> + ret = regexec(&arm_call_insn, name, 2, match, 0);
> + if (!ret) {
> + ops = &call_ops;
> + } else {
> + ret = regexec(&arm_jump_insn, name, 2, match, 0);
> + if (!ret)
> + ops = &jump_ops;
> + }
> +
> + /*
> + * Add instruction to list so next time no need to
> + * allocate memory for it.
> + */
> + return list_add__ins_arch(&head, name, ops);
> +
> +}
> diff --git a/tools/perf/util/annotate/powerpc.c b/tools/perf/util/annotate/powerpc.c
> new file mode 100644
> index 0000000..6088ce2
> --- /dev/null
> +++ b/tools/perf/util/annotate/powerpc.c
> @@ -0,0 +1,63 @@
> +#include "../annotate.h"
> +
> +struct ins *ins__find_powerpc(const char *name)
> +{
> + int i;
> + struct ins *ins;
> + struct ins_ops *ops;
> + static struct instructions_arch head = {
> + .list = LIST_HEAD_INIT(head.list),
> + };
> +
> + /*
> + * - 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;
> +
> + /*
> + * Return if we already have object of 'struct ins' for this instruction
> + */
> + ins = list_search__ins_arch(&head, name);
> + if (ins)
> + return ins;
> +
> + 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;
> +
> + /*
> + * Add instruction to list so next time no need to
> + * allocate memory for it.
> + */
> + return list_add__ins_arch(&head, name, ops);
> +}
> diff --git a/tools/perf/util/annotate/x86.c b/tools/perf/util/annotate/x86.c
> new file mode 100644
> index 0000000..b519197
> --- /dev/null
> +++ b/tools/perf/util/annotate/x86.c
> @@ -0,0 +1,107 @@
> +#include "../annotate.h"
> +
> +static struct ins instructions[] = {
> + { .name = "add", .ops = &mov_ops, },
> + { .name = "addl", .ops = &mov_ops, },
> + { .name = "addq", .ops = &mov_ops, },
> + { .name = "addw", .ops = &mov_ops, },
> + { .name = "and", .ops = &mov_ops, },
> + { .name = "bts", .ops = &mov_ops, },
> + { .name = "call", .ops = &call_ops, },
> + { .name = "callq", .ops = &call_ops, },
> + { .name = "cmp", .ops = &mov_ops, },
> + { .name = "cmpb", .ops = &mov_ops, },
> + { .name = "cmpl", .ops = &mov_ops, },
> + { .name = "cmpq", .ops = &mov_ops, },
> + { .name = "cmpw", .ops = &mov_ops, },
> + { .name = "cmpxch", .ops = &mov_ops, },
> + { .name = "dec", .ops = &dec_ops, },
> + { .name = "decl", .ops = &dec_ops, },
> + { .name = "imul", .ops = &mov_ops, },
> + { .name = "inc", .ops = &dec_ops, },
> + { .name = "incl", .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 = "jmpq", .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 = "movb", .ops = &mov_ops, },
> + { .name = "movdqa", .ops = &mov_ops, },
> + { .name = "movl", .ops = &mov_ops, },
> + { .name = "movq", .ops = &mov_ops, },
> + { .name = "movslq", .ops = &mov_ops, },
> + { .name = "movzbl", .ops = &mov_ops, },
> + { .name = "movzwl", .ops = &mov_ops, },
> + { .name = "nop", .ops = &nop_ops, },
> + { .name = "nopl", .ops = &nop_ops, },
> + { .name = "nopw", .ops = &nop_ops, },
> + { .name = "or", .ops = &mov_ops, },
> + { .name = "orl", .ops = &mov_ops, },
> + { .name = "test", .ops = &mov_ops, },
> + { .name = "testb", .ops = &mov_ops, },
> + { .name = "testl", .ops = &mov_ops, },
> + { .name = "xadd", .ops = &mov_ops, },
> + { .name = "xbeginl", .ops = &jump_ops, },
> + { .name = "xbeginq", .ops = &jump_ops, },
> + { .name = "retq", .ops = &ret_ops, },
> +};
> +
> +static int ins__cmp(const void *a, const void *b)
> +{
> + const struct ins *ia = a;
> + const struct ins *ib = b;
> +
> + return strcmp(ia->name, ib->name);
> +}
> +
> +static __attribute__((constructor)) void ins__sort(void)
> +{
> + qsort(instructions, ARRAY_SIZE(instructions), sizeof(struct ins),
> + ins__cmp);
> +}
> +
> +static int ins__key_cmp(const void *name, const void *insp)
> +{
> + const struct ins *ins = insp;
> +
> + return strcmp(name, ins->name);
> +}
> +
> +struct ins *ins__find_x86(const char *name)
> +{
> + return bsearch(name, instructions, ARRAY_SIZE(instructions),
> + sizeof(struct ins), ins__key_cmp);
> +}
> --
> 2.5.5

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