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* addr2line.c (uleb128): cast the value to unsigned long.

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* addr2line.c (fill_lines): print error when lseek fails.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31010 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2011-03-02 16:14:32 +00:00
parent 613861d6c5
commit 6a288deabc
2 changed files with 13 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Thu Mar 3 00:46:51 2011 NARUSE, Yui <naruse@ruby-lang.org>
* addr2line.c (uleb128): cast the value to unsigned long.
* addr2line.c (fill_lines): print error when lseek fails.
Thu Mar 3 00:36:29 2011 NARUSE, Yui <naruse@ruby-lang.org>
* lib/rexml/encoding.rb (REXML::Encoding#encoding=): store @encoding

8
addr2line.c
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@ -85,7 +85,7 @@ uleb128(char **p) {
for (;;) {
unsigned char b = *(unsigned char *)(*p)++;
if (b < 0x80) {
r += b << s;
r += (unsigned long)b << s;
break;
}
r += (b & 0x7f) << s;
@ -442,6 +442,12 @@ fill_lines(int num_traces, void **traces, char **syms, int check_debuglink,
return;
}
filesize = lseek(fd, 0, SEEK_END);
if (filesize < 0) {
int e = errno;
close(fd);
fprintf(stderr, "lseek: %s\n", strerror(e));
return;
}
lseek(fd, 0, SEEK_SET);
/* async-signal unsafe */
file = (char *)mmap(NULL, filesize, PROT_READ, MAP_SHARED, fd, 0);