зеркало из https://github.com/github/ruby.git
Remove `kprintf` in addr2line.c
According to @naruse, this `kprintf` was to avoid some segfaults, but turned out it seemed another issue after all.
This commit is contained in:
Родитель
31d1226763
Коммит
15b2e91230
485
addr2line.c
485
addr2line.c
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@ -144,7 +144,7 @@ void *alloca();
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#define DW_LNE_define_file 0x03
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#define DW_LNE_set_discriminator 0x04 /* DWARF4 */
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PRINTF_ARGS(static int kprintf(const char *fmt, ...), 1, 2);
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#define kprintf(...) fprintf(stderr, "" __VA_ARGS__)
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typedef struct line_info {
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const char *dirname;
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@ -1358,7 +1358,7 @@ debug_info_reader_read_value(DebugInfoReader *reader, uint64_t form, DebugInfoVa
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return true;
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fail:
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fprintf(stderr, "%d: unsupported form: %#"PRIx64"\n", __LINE__, form);
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kprintf("%d: unsupported form: %#"PRIx64"\n", __LINE__, form);
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return false;
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}
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@ -1377,7 +1377,7 @@ di_find_abbrev(DebugInfoReader *reader, uint64_t abbrev_number)
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di_skip_die_attributes(&p);
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for (uint64_t n = uleb128(&p); abbrev_number != n; n = uleb128(&p)) {
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if (n == 0) {
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fprintf(stderr,"%d: Abbrev Number %"PRId64" not found\n",__LINE__, abbrev_number);
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kprintf("%d: Abbrev Number %"PRId64" not found\n",__LINE__, abbrev_number);
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return NULL;
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}
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uleb128(&p); /* tag */
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@ -1392,22 +1392,22 @@ static void
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hexdump0(const unsigned char *p, size_t n)
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{
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size_t i;
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fprintf(stderr, " 0 1 2 3 4 5 6 7 8 9 A B C D E F\n");
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kprintf(" 0 1 2 3 4 5 6 7 8 9 A B C D E F\n");
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for (i=0; i < n; i++){
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switch (i & 15) {
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case 0:
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fprintf(stderr, "%02" PRIdSIZE ": %02X ", i/16, p[i]);
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kprintf("%02" PRIdSIZE ": %02X ", i/16, p[i]);
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break;
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case 15:
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fprintf(stderr, "%02X\n", p[i]);
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kprintf("%02X\n", p[i]);
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break;
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default:
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fprintf(stderr, "%02X ", p[i]);
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kprintf("%02X ", p[i]);
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break;
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}
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}
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if ((i & 15) != 15) {
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fprintf(stderr, "\n");
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kprintf("\n");
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}
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}
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#define hexdump(p,n) hexdump0((const unsigned char *)p, n)
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@ -1417,16 +1417,16 @@ div_inspect(DebugInfoValue *v)
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{
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switch (v->type) {
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case VAL_uint:
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fprintf(stderr,"%d: type:%d size:%" PRIxSIZE " v:%"PRIx64"\n",__LINE__,v->type,v->size,v->as.uint64);
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kprintf("%d: type:%d size:%" PRIxSIZE " v:%"PRIx64"\n",__LINE__,v->type,v->size,v->as.uint64);
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break;
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case VAL_int:
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fprintf(stderr,"%d: type:%d size:%" PRIxSIZE " v:%"PRId64"\n",__LINE__,v->type,v->size,(int64_t)v->as.uint64);
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kprintf("%d: type:%d size:%" PRIxSIZE " v:%"PRId64"\n",__LINE__,v->type,v->size,(int64_t)v->as.uint64);
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break;
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case VAL_cstr:
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fprintf(stderr,"%d: type:%d size:%" PRIxSIZE " v:'%s'\n",__LINE__,v->type,v->size,v->as.ptr);
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kprintf("%d: type:%d size:%" PRIxSIZE " v:'%s'\n",__LINE__,v->type,v->size,v->as.ptr);
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break;
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case VAL_data:
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fprintf(stderr,"%d: type:%d size:%" PRIxSIZE " v:\n",__LINE__,v->type,v->size);
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kprintf("%d: type:%d size:%" PRIxSIZE " v:\n",__LINE__,v->type,v->size);
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hexdump(v->as.ptr, 16);
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break;
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}
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@ -1506,7 +1506,7 @@ addr_header_init(obj_info_t *obj, addr_header_t *header) {
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p += 2; /* version */
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header->address_size = *p++;
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if (header->address_size != 4 && header->address_size != 8) {
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fprintf(stderr,"unknown address_size:%d", header->address_size);
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kprintf("unknown address_size:%d", header->address_size);
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return false;
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}
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p++; /* segment_selector_size */
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@ -1549,7 +1549,7 @@ rnglists_header_init(obj_info_t *obj, rnglists_header_t *header) {
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p += 2; /* version */
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header->address_size = *p++;
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if (header->address_size != 4 && header->address_size != 8) {
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fprintf(stderr,"unknown address_size:%d", header->address_size);
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kprintf("unknown address_size:%d", header->address_size);
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return false;
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}
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p++; /* segment_selector_size */
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@ -1709,27 +1709,27 @@ ranges_inspect(DebugInfoReader *reader, ranges_t *ptr)
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{
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if (ptr->high_pc_set) {
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if (ptr->ranges_set || !ptr->low_pc_set) {
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fprintf(stderr,"low_pc_set:%d high_pc_set:%d ranges_set:%d\n",ptr->low_pc_set,ptr->high_pc_set,ptr->ranges_set);
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kprintf("low_pc_set:%d high_pc_set:%d ranges_set:%d\n",ptr->low_pc_set,ptr->high_pc_set,ptr->ranges_set);
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return;
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}
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fprintf(stderr,"low_pc:%"PRIx64" high_pc:%"PRIx64"\n",ptr->low_pc,ptr->high_pc);
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kprintf("low_pc:%"PRIx64" high_pc:%"PRIx64"\n",ptr->low_pc,ptr->high_pc);
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}
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else if (ptr->ranges_set) {
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char *p = reader->obj->debug_ranges.ptr + ptr->ranges;
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fprintf(stderr,"low_pc:%"PRIx64" ranges:%"PRIx64" %lx ",ptr->low_pc,ptr->ranges, p-reader->obj->mapped);
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kprintf("low_pc:%"PRIx64" ranges:%"PRIx64" %lx ",ptr->low_pc,ptr->ranges, p-reader->obj->mapped);
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for (;;) {
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uintptr_t from = read_uintptr(&p);
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uintptr_t to = read_uintptr(&p);
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if (!from && !to) break;
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fprintf(stderr,"%"PRIx64"-%"PRIx64" ",ptr->low_pc+from,ptr->low_pc+to);
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kprintf("%"PRIx64"-%"PRIx64" ",ptr->low_pc+from,ptr->low_pc+to);
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}
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fprintf(stderr,"\n");
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kprintf("\n");
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}
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else if (ptr->low_pc_set) {
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fprintf(stderr,"low_pc:%"PRIx64"\n",ptr->low_pc);
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kprintf("low_pc:%"PRIx64"\n",ptr->low_pc);
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}
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else {
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fprintf(stderr,"empty\n");
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kprintf("empty\n");
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}
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}
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#endif
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@ -1763,7 +1763,7 @@ di_read_cu(DebugInfoReader *reader)
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reader->address_size = read_uint8(&reader->p);
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}
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if (reader->address_size != 4 && reader->address_size != 8) {
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fprintf(stderr,"unknown address_size:%d", reader->address_size);
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kprintf("unknown address_size:%d", reader->address_size);
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return -1;
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}
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reader->q0 = reader->obj->debug_abbrev.ptr + debug_abbrev_offset;
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@ -1887,7 +1887,7 @@ debug_info_read(DebugInfoReader *reader, int num_traces, void **traces,
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line_info_t line = {};
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if (!di_read_die(reader, &die)) continue;
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/* fprintf(stderr,"%d:%tx: <%d>\n",__LINE__,die.pos,reader->level,die.tag); */
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/* kprintf("%d:%tx: <%d>\n",__LINE__,die.pos,reader->level,die.tag); */
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if (die.tag != DW_TAG_subprogram && die.tag != DW_TAG_inlined_subroutine) {
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skip_die:
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@ -1900,7 +1900,7 @@ debug_info_read(DebugInfoReader *reader, int num_traces, void **traces,
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DebugInfoValue v = {{}};
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/* ptrdiff_t pos = reader->p - reader->p0; */
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if (!di_read_record(reader, &v)) break;
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/* fprintf(stderr,"\n%d:%tx: AT:%lx FORM:%lx\n",__LINE__,pos,v.at,v.form); */
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/* kprintf("\n%d:%tx: AT:%lx FORM:%lx\n",__LINE__,pos,v.at,v.form); */
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/* div_inspect(&v); */
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switch (v.at) {
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case DW_AT_name:
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@ -1928,7 +1928,7 @@ debug_info_read(DebugInfoReader *reader, int num_traces, void **traces,
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}
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}
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/* ranges_inspect(reader, &ranges); */
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/* fprintf(stderr,"%d:%tx: %x ",__LINE__,diepos,die.tag); */
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/* kprintf("%d:%tx: %x ",__LINE__,diepos,die.tag); */
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for (int i=offset; i < num_traces; i++) {
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uintptr_t addr = (uintptr_t)traces[i];
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uintptr_t offset = addr - reader->obj->base_addr + reader->obj->vmaddr;
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@ -2196,7 +2196,7 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
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debug_info_reader_init(&reader, obj);
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i = 0;
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while (reader.p < reader.pend) {
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/* fprintf(stderr, "%d:%tx: CU[%d]\n", __LINE__, reader.p - reader.obj->debug_info.ptr, i++); */
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/* kprintf("%d:%tx: CU[%d]\n", __LINE__, reader.p - reader.obj->debug_info.ptr, i++); */
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if (di_read_cu(&reader)) goto use_symtab;
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if (!debug_info_read(&reader, num_traces, traces, lines, offset))
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goto use_symtab;
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@ -2345,13 +2345,13 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
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struct fat_header *fat = (struct fat_header *)file;
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char *q = file + sizeof(*fat);
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uint32_t nfat_arch = __builtin_bswap32(fat->nfat_arch);
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/* fprintf(stderr,"%d: fat:%s %d\n",__LINE__, binary_filename,nfat_arch); */
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/* kprintf("%d: fat:%s %d\n",__LINE__, binary_filename,nfat_arch); */
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for (uint32_t i = 0; i < nfat_arch; i++) {
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struct fat_arch *arch = (struct fat_arch *)q;
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cpu_type_t cputype = __builtin_bswap32(arch->cputype);
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cpu_subtype_t cpusubtype = __builtin_bswap32(arch->cpusubtype);
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uint32_t offset = __builtin_bswap32(arch->offset);
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/* fprintf(stderr,"%d: fat %d %x/%x %x/%x\n",__LINE__, i, mhp->cputype,mhp->cpusubtype, cputype,cpusubtype); */
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/* kprintf("%d: fat %d %x/%x %x/%x\n",__LINE__, i, mhp->cputype,mhp->cpusubtype, cputype,cpusubtype); */
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if (mhp->cputype == cputype &&
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(cpu_subtype_t)(mhp->cpusubtype & ~CPU_SUBTYPE_MASK) == cpusubtype) {
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p = file + offset;
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@ -2686,435 +2686,8 @@ next_line:
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free(dladdr_fbases);
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}
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/* From FreeBSD's lib/libstand/printf.c */
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/*-
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* Copyright (c) 1986, 1988, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
|
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* to the University of California by American Telephone and Telegraph
|
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)subr_prf.c 8.3 (Berkeley) 1/21/94
|
||||
*/
|
||||
#undef kprintf
|
||||
|
||||
#include <stdarg.h>
|
||||
#define MAXNBUF (sizeof(intmax_t) * CHAR_BIT + 1)
|
||||
static inline int toupper(int c) { return ('A' <= c && c <= 'Z') ? (c&0x5f) : c; }
|
||||
#define hex2ascii(hex) (hex2ascii_data[hex])
|
||||
static const char hex2ascii_data[] = "0123456789abcdefghijklmnopqrstuvwxyz";
|
||||
static inline int imax(int a, int b) { return (a > b ? a : b); }
|
||||
static int kvprintf(char const *fmt, void (*func)(int), void *arg, int radix, va_list ap);
|
||||
|
||||
static void putce(int c)
|
||||
{
|
||||
char s[1];
|
||||
ssize_t ret;
|
||||
|
||||
s[0] = (char)c;
|
||||
ret = write(2, s, 1);
|
||||
(void)ret;
|
||||
}
|
||||
|
||||
static int
|
||||
kprintf(const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
int retval;
|
||||
|
||||
va_start(ap, fmt);
|
||||
retval = kvprintf(fmt, putce, NULL, 10, ap);
|
||||
va_end(ap);
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* Put a NUL-terminated ASCII number (base <= 36) in a buffer in reverse
|
||||
* order; return an optional length and a pointer to the last character
|
||||
* written in the buffer (i.e., the first character of the string).
|
||||
* The buffer pointed to by `nbuf' must have length >= MAXNBUF.
|
||||
*/
|
||||
static char *
|
||||
ksprintn(char *nbuf, uintmax_t num, int base, int *lenp, int upper)
|
||||
{
|
||||
char *p, c;
|
||||
|
||||
p = nbuf;
|
||||
*p = '\0';
|
||||
do {
|
||||
c = hex2ascii(num % base);
|
||||
*++p = upper ? toupper(c) : c;
|
||||
} while (num /= base);
|
||||
if (lenp)
|
||||
*lenp = (int)(p - nbuf);
|
||||
return (p);
|
||||
}
|
||||
|
||||
/*
|
||||
* Scaled down version of printf(3).
|
||||
*
|
||||
* Two additional formats:
|
||||
*
|
||||
* The format %b is supported to decode error registers.
|
||||
* Its usage is:
|
||||
*
|
||||
* printf("reg=%b\n", regval, "<base><arg>*");
|
||||
*
|
||||
* where <base> is the output base expressed as a control character, e.g.
|
||||
* \10 gives octal; \20 gives hex. Each arg is a sequence of characters,
|
||||
* the first of which gives the bit number to be inspected (origin 1), and
|
||||
* the next characters (up to a control character, i.e. a character <= 32),
|
||||
* give the name of the register. Thus:
|
||||
*
|
||||
* kvprintf("reg=%b\n", 3, "\10\2BITTWO\1BITONE\n");
|
||||
*
|
||||
* would produce output:
|
||||
*
|
||||
* reg=3<BITTWO,BITONE>
|
||||
*
|
||||
* XXX: %D -- Hexdump, takes pointer and separator string:
|
||||
* ("%6D", ptr, ":") -> XX:XX:XX:XX:XX:XX
|
||||
* ("%*D", len, ptr, " " -> XX XX XX XX ...
|
||||
*/
|
||||
static int
|
||||
kvprintf(char const *fmt, void (*func)(int), void *arg, int radix, va_list ap)
|
||||
{
|
||||
#define PCHAR(c) {int cc=(c); if (func) (*func)(cc); else *d++ = cc; retval++; }
|
||||
char nbuf[MAXNBUF];
|
||||
char *d;
|
||||
const char *p, *percent, *q;
|
||||
unsigned char *up;
|
||||
int ch, n;
|
||||
uintmax_t num;
|
||||
int base, lflag, qflag, tmp, width, ladjust, sharpflag, neg, sign, dot;
|
||||
int cflag, hflag, jflag, tflag, zflag;
|
||||
int dwidth, upper;
|
||||
char padc;
|
||||
int stop = 0, retval = 0;
|
||||
|
||||
num = 0;
|
||||
if (!func)
|
||||
d = (char *) arg;
|
||||
else
|
||||
d = NULL;
|
||||
|
||||
if (fmt == NULL)
|
||||
fmt = "(fmt null)\n";
|
||||
|
||||
if (radix < 2 || radix > 36)
|
||||
radix = 10;
|
||||
|
||||
for (;;) {
|
||||
padc = ' ';
|
||||
width = 0;
|
||||
while ((ch = (unsigned char)*fmt++) != '%' || stop) {
|
||||
if (ch == '\0')
|
||||
return (retval);
|
||||
PCHAR(ch);
|
||||
}
|
||||
percent = fmt - 1;
|
||||
qflag = 0; lflag = 0; ladjust = 0; sharpflag = 0; neg = 0;
|
||||
sign = 0; dot = 0; dwidth = 0; upper = 0;
|
||||
cflag = 0; hflag = 0; jflag = 0; tflag = 0; zflag = 0;
|
||||
reswitch: switch (ch = (unsigned char)*fmt++) {
|
||||
case '.':
|
||||
dot = 1;
|
||||
goto reswitch;
|
||||
case '#':
|
||||
sharpflag = 1;
|
||||
goto reswitch;
|
||||
case '+':
|
||||
sign = 1;
|
||||
goto reswitch;
|
||||
case '-':
|
||||
ladjust = 1;
|
||||
goto reswitch;
|
||||
case '%':
|
||||
PCHAR(ch);
|
||||
break;
|
||||
case '*':
|
||||
if (!dot) {
|
||||
width = va_arg(ap, int);
|
||||
if (width < 0) {
|
||||
ladjust = !ladjust;
|
||||
width = -width;
|
||||
}
|
||||
} else {
|
||||
dwidth = va_arg(ap, int);
|
||||
}
|
||||
goto reswitch;
|
||||
case '0':
|
||||
if (!dot) {
|
||||
padc = '0';
|
||||
goto reswitch;
|
||||
}
|
||||
case '1': case '2': case '3': case '4':
|
||||
case '5': case '6': case '7': case '8': case '9':
|
||||
for (n = 0;; ++fmt) {
|
||||
n = n * 10 + ch - '0';
|
||||
ch = *fmt;
|
||||
if (ch < '0' || ch > '9')
|
||||
break;
|
||||
}
|
||||
if (dot)
|
||||
dwidth = n;
|
||||
else
|
||||
width = n;
|
||||
goto reswitch;
|
||||
case 'b':
|
||||
num = (unsigned int)va_arg(ap, int);
|
||||
p = va_arg(ap, char *);
|
||||
for (q = ksprintn(nbuf, num, *p++, NULL, 0); *q;)
|
||||
PCHAR(*q--);
|
||||
|
||||
if (num == 0)
|
||||
break;
|
||||
|
||||
for (tmp = 0; *p;) {
|
||||
n = *p++;
|
||||
if (num & (1 << (n - 1))) {
|
||||
PCHAR(tmp ? ',' : '<');
|
||||
for (; (n = *p) > ' '; ++p)
|
||||
PCHAR(n);
|
||||
tmp = 1;
|
||||
} else
|
||||
for (; *p > ' '; ++p)
|
||||
continue;
|
||||
}
|
||||
if (tmp)
|
||||
PCHAR('>');
|
||||
break;
|
||||
case 'c':
|
||||
PCHAR(va_arg(ap, int));
|
||||
break;
|
||||
case 'D':
|
||||
up = va_arg(ap, unsigned char *);
|
||||
p = va_arg(ap, char *);
|
||||
if (!width)
|
||||
width = 16;
|
||||
while(width--) {
|
||||
PCHAR(hex2ascii(*up >> 4));
|
||||
PCHAR(hex2ascii(*up & 0x0f));
|
||||
up++;
|
||||
if (width)
|
||||
for (q=p;*q;q++)
|
||||
PCHAR(*q);
|
||||
}
|
||||
break;
|
||||
case 'd':
|
||||
case 'i':
|
||||
base = 10;
|
||||
sign = 1;
|
||||
goto handle_sign;
|
||||
case 'h':
|
||||
if (hflag) {
|
||||
hflag = 0;
|
||||
cflag = 1;
|
||||
} else
|
||||
hflag = 1;
|
||||
goto reswitch;
|
||||
case 'j':
|
||||
jflag = 1;
|
||||
goto reswitch;
|
||||
case 'l':
|
||||
if (lflag) {
|
||||
lflag = 0;
|
||||
qflag = 1;
|
||||
} else
|
||||
lflag = 1;
|
||||
goto reswitch;
|
||||
case 'n':
|
||||
if (jflag)
|
||||
*(va_arg(ap, intmax_t *)) = retval;
|
||||
else if (qflag)
|
||||
*(va_arg(ap, int64_t *)) = retval;
|
||||
else if (lflag)
|
||||
*(va_arg(ap, long *)) = retval;
|
||||
else if (zflag)
|
||||
*(va_arg(ap, size_t *)) = retval;
|
||||
else if (hflag)
|
||||
*(va_arg(ap, short *)) = retval;
|
||||
else if (cflag)
|
||||
*(va_arg(ap, char *)) = retval;
|
||||
else
|
||||
*(va_arg(ap, int *)) = retval;
|
||||
break;
|
||||
case 'o':
|
||||
base = 8;
|
||||
goto handle_nosign;
|
||||
case 'p':
|
||||
base = 16;
|
||||
sharpflag = (width == 0);
|
||||
sign = 0;
|
||||
num = (uintptr_t)va_arg(ap, void *);
|
||||
goto number;
|
||||
case 'q':
|
||||
qflag = 1;
|
||||
goto reswitch;
|
||||
case 'r':
|
||||
base = radix;
|
||||
if (sign)
|
||||
goto handle_sign;
|
||||
goto handle_nosign;
|
||||
case 's':
|
||||
p = va_arg(ap, char *);
|
||||
if (p == NULL)
|
||||
p = "(null)";
|
||||
if (!dot)
|
||||
n = (int)strlen (p);
|
||||
else
|
||||
for (n = 0; n < dwidth && p[n]; n++)
|
||||
continue;
|
||||
|
||||
width -= n;
|
||||
|
||||
if (!ladjust && width > 0)
|
||||
while (width--)
|
||||
PCHAR(padc);
|
||||
while (n--)
|
||||
PCHAR(*p++);
|
||||
if (ladjust && width > 0)
|
||||
while (width--)
|
||||
PCHAR(padc);
|
||||
break;
|
||||
case 't':
|
||||
tflag = 1;
|
||||
goto reswitch;
|
||||
case 'u':
|
||||
base = 10;
|
||||
goto handle_nosign;
|
||||
case 'X':
|
||||
upper = 1;
|
||||
case 'x':
|
||||
base = 16;
|
||||
goto handle_nosign;
|
||||
case 'y':
|
||||
base = 16;
|
||||
sign = 1;
|
||||
goto handle_sign;
|
||||
case 'z':
|
||||
zflag = 1;
|
||||
goto reswitch;
|
||||
handle_nosign:
|
||||
sign = 0;
|
||||
if (jflag)
|
||||
num = va_arg(ap, uintmax_t);
|
||||
else if (qflag)
|
||||
num = va_arg(ap, uint64_t);
|
||||
else if (tflag)
|
||||
num = va_arg(ap, ptrdiff_t);
|
||||
else if (lflag)
|
||||
num = va_arg(ap, unsigned long);
|
||||
else if (zflag)
|
||||
num = va_arg(ap, size_t);
|
||||
else if (hflag)
|
||||
num = (unsigned short)va_arg(ap, int);
|
||||
else if (cflag)
|
||||
num = (unsigned char)va_arg(ap, int);
|
||||
else
|
||||
num = va_arg(ap, unsigned int);
|
||||
goto number;
|
||||
handle_sign:
|
||||
if (jflag)
|
||||
num = va_arg(ap, intmax_t);
|
||||
else if (qflag)
|
||||
num = va_arg(ap, int64_t);
|
||||
else if (tflag)
|
||||
num = va_arg(ap, ptrdiff_t);
|
||||
else if (lflag)
|
||||
num = va_arg(ap, long);
|
||||
else if (zflag)
|
||||
num = va_arg(ap, ssize_t);
|
||||
else if (hflag)
|
||||
num = (short)va_arg(ap, int);
|
||||
else if (cflag)
|
||||
num = (char)va_arg(ap, int);
|
||||
else
|
||||
num = va_arg(ap, int);
|
||||
number:
|
||||
if (sign && (intmax_t)num < 0) {
|
||||
neg = 1;
|
||||
num = -(intmax_t)num;
|
||||
}
|
||||
p = ksprintn(nbuf, num, base, &n, upper);
|
||||
tmp = 0;
|
||||
if (sharpflag && num != 0) {
|
||||
if (base == 8)
|
||||
tmp++;
|
||||
else if (base == 16)
|
||||
tmp += 2;
|
||||
}
|
||||
if (neg)
|
||||
tmp++;
|
||||
|
||||
if (!ladjust && padc == '0')
|
||||
dwidth = width - tmp;
|
||||
width -= tmp + imax(dwidth, n);
|
||||
dwidth -= n;
|
||||
if (!ladjust)
|
||||
while (width-- > 0)
|
||||
PCHAR(' ');
|
||||
if (neg)
|
||||
PCHAR('-');
|
||||
if (sharpflag && num != 0) {
|
||||
if (base == 8) {
|
||||
PCHAR('0');
|
||||
} else if (base == 16) {
|
||||
PCHAR('0');
|
||||
PCHAR('x');
|
||||
}
|
||||
}
|
||||
while (dwidth-- > 0)
|
||||
PCHAR('0');
|
||||
|
||||
while (*p)
|
||||
PCHAR(*p--);
|
||||
|
||||
if (ladjust)
|
||||
while (width-- > 0)
|
||||
PCHAR(' ');
|
||||
|
||||
break;
|
||||
default:
|
||||
while (percent < fmt)
|
||||
PCHAR(*percent++);
|
||||
/*
|
||||
* Since we ignore an formatting argument it is no
|
||||
* longer safe to obey the remaining formatting
|
||||
* arguments as the arguments will no longer match
|
||||
* the format specs.
|
||||
*/
|
||||
stop = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
#undef PCHAR
|
||||
}
|
||||
#else /* defined(USE_ELF) */
|
||||
#error not supported
|
||||
#endif
|
||||
|
|
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Ссылка в новой задаче