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4b6ab94eab
Move the subcommand-related files from perf to a new library named libsubcmd.a. Since we're moving files anyway, go ahead and rename 'exec_cmd.*' to 'exec-cmd.*' to be consistent with the naming of all the other files. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/c0a838d4c878ab17fee50998811612b2281355c1.1450193761.git.jpoimboe@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
72 lines
1.2 KiB
C
72 lines
1.2 KiB
C
#include "perf.h"
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#include "util/util.h"
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#include "util/debug.h"
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#include <subcmd/parse-options.h>
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#include "util/parse-regs-options.h"
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int
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parse_regs(const struct option *opt, const char *str, int unset)
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{
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uint64_t *mode = (uint64_t *)opt->value;
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const struct sample_reg *r;
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char *s, *os = NULL, *p;
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int ret = -1;
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if (unset)
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return 0;
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/*
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* cannot set it twice
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*/
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if (*mode)
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return -1;
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/* str may be NULL in case no arg is passed to -I */
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if (str) {
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/* because str is read-only */
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s = os = strdup(str);
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if (!s)
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return -1;
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for (;;) {
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p = strchr(s, ',');
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if (p)
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*p = '\0';
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if (!strcmp(s, "?")) {
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fprintf(stderr, "available registers: ");
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for (r = sample_reg_masks; r->name; r++) {
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fprintf(stderr, "%s ", r->name);
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}
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fputc('\n', stderr);
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/* just printing available regs */
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return -1;
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}
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for (r = sample_reg_masks; r->name; r++) {
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if (!strcasecmp(s, r->name))
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break;
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}
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if (!r->name) {
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ui__warning("unknown register %s,"
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" check man page\n", s);
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goto error;
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}
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*mode |= r->mask;
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if (!p)
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break;
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s = p + 1;
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}
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}
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ret = 0;
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/* default to all possible regs */
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if (*mode == 0)
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*mode = PERF_REGS_MASK;
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error:
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free(os);
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return ret;
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}
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