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* addr2line.c: apply a patch from shinichiro.h.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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naruse 2010-11-26 04:39:23 +00:00
parent 086301ac73
commit 39e7b2fb94
2 changed files with 15 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Fri Nov 26 13:33:24 2010 NARUSE, Yui <naruse@ruby-lang.org>
* addr2line.c: apply a patch from shinichiro.h.
Fri Nov 26 12:21:20 2010 NARUSE, Yui <naruse@ruby-lang.org>
* addr2line.c: added to show source filename and line number of

13
addr2line.c
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@ -51,11 +51,13 @@
#define DW_LNE_define_file 0x03
#define DW_LNE_set_discriminator 0x04 /* DWARF4 */
#ifndef ElfW
# if SIZEOF_VOIDP == 8
# define ElfW(x) Elf64##_##x
# else
# define ElfW(x) Elf32##_##x
# endif
#endif
typedef struct {
const char *dirname;
@ -210,7 +212,7 @@ parse_debug_line_cu(int num_traces, void **traces,
unsigned int file = 1;
unsigned int line = 1;
unsigned int column = 0;
int is_stmt = default_is_stmt;
int is_stmt;
int basic_block = 0;
int end_sequence = 0;
int prologue_end = 0;
@ -239,7 +241,7 @@ parse_debug_line_cu(int num_traces, void **traces,
minimum_instruction_length = *(unsigned char *)p;
p++;
default_is_stmt = *(unsigned char *)p;
is_stmt = default_is_stmt = *(unsigned char *)p;
p++;
line_base = *(char *)p;
@ -489,10 +491,17 @@ rb_dump_backtrace_with_lines(int num_traces, void **trace, char **syms)
binary_filename[len] = '\0';
fd = open(binary_filename, O_RDONLY);
if (fd < 0) {
continue;
}
filesize = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
/* async-signal unsafe */
file = (char *)mmap(NULL, filesize, PROT_READ, MAP_SHARED, fd, 0);
if (file == MAP_FAILED) {
perror("mmap");
continue;
}
lines[i].fd = fd;
lines[i].mapped = file;