diff options
Diffstat (limited to 'tools/perf/jvmti/jvmti_agent.c')
| -rw-r--r-- | tools/perf/jvmti/jvmti_agent.c | 38 |
1 files changed, 1 insertions, 37 deletions
diff --git a/tools/perf/jvmti/jvmti_agent.c b/tools/perf/jvmti/jvmti_agent.c index 55daefff0d54..e9651a9d670e 100644 --- a/tools/perf/jvmti/jvmti_agent.c +++ b/tools/perf/jvmti/jvmti_agent.c @@ -44,11 +44,6 @@ static char jit_path[PATH_MAX]; static void *marker_addr; -/* - * padding buffer - */ -static const char pad_bytes[7]; - static inline pid_t gettid(void) { return (pid_t)syscall(__NR_gettid); @@ -230,7 +225,6 @@ init_arch_timestamp(void) void *jvmti_open(void) { - int pad_cnt; char dump_path[PATH_MAX]; struct jitheader header; int fd; @@ -288,10 +282,6 @@ void *jvmti_open(void) header.total_size = sizeof(header); header.pid = getpid(); - /* calculate amount of padding '\0' */ - pad_cnt = PADDING_8ALIGNED(header.total_size); - header.total_size += pad_cnt; - header.timestamp = perf_get_timestamp(); if (use_arch_timestamp) @@ -301,13 +291,6 @@ void *jvmti_open(void) warn("jvmti: cannot write dumpfile header"); goto error; } - - /* write padding '\0' if necessary */ - if (pad_cnt && !fwrite(pad_bytes, pad_cnt, 1, fp)) { - warn("jvmti: cannot write dumpfile header padding"); - goto error; - } - return fp; error: fclose(fp); @@ -349,7 +332,6 @@ jvmti_write_code(void *agent, char const *sym, static int code_generation = 1; struct jr_code_load rec; size_t sym_len; - size_t padding_count; FILE *fp = agent; int ret = -1; @@ -366,8 +348,6 @@ jvmti_write_code(void *agent, char const *sym, rec.p.id = JIT_CODE_LOAD; rec.p.total_size = sizeof(rec) + sym_len; - padding_count = PADDING_8ALIGNED(rec.p.total_size); - rec.p. total_size += padding_count; rec.p.timestamp = perf_get_timestamp(); rec.code_size = size; @@ -393,9 +373,6 @@ jvmti_write_code(void *agent, char const *sym, ret = fwrite_unlocked(&rec, sizeof(rec), 1, fp); fwrite_unlocked(sym, sym_len, 1, fp); - if (padding_count) - fwrite_unlocked(pad_bytes, padding_count, 1, fp); - if (code) fwrite_unlocked(code, size, 1, fp); @@ -412,7 +389,6 @@ jvmti_write_debug_info(void *agent, uint64_t code, const char *file, { struct jr_code_debug_info rec; size_t sret, len, size, flen; - size_t padding_count; uint64_t addr; const char *fn = file; FILE *fp = agent; @@ -443,16 +419,10 @@ jvmti_write_debug_info(void *agent, uint64_t code, const char *file, * int : line number * int : column discriminator * file[] : source file name - * padding : pad to multiple of 8 bytes */ size += nr_lines * sizeof(struct debug_entry); size += flen * nr_lines; - /* - * pad to 8 bytes - */ - padding_count = PADDING_8ALIGNED(size); - - rec.p.total_size = size + padding_count; + rec.p.total_size = size; /* * If JVM is multi-threaded, nultiple concurrent calls to agent @@ -486,12 +456,6 @@ jvmti_write_debug_info(void *agent, uint64_t code, const char *file, if (sret != 1) goto error; } - if (padding_count) { - sret = fwrite_unlocked(pad_bytes, padding_count, 1, fp); - if (sret != 1) - goto error; - } - funlockfile(fp); return 0; error: |