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b1e693e402
Removed the locale check as it is now irrelevant. Removed the experimental binutils 2.17.50.0.xx: 2.18 is here now.
122 lines
3.9 KiB
Diff
122 lines
3.9 KiB
Diff
Date: 18 May 2005 22:47:59 -0000
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Message-ID: <20050518224759.7352.qmail@sourceware.org>
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From: "hubicka at ucw dot cz" <gcc-bugzilla@gcc.gnu.org>
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To: dank@kegel.com
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References: <20050407215701.20815.dank@kegel.com>
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Reply-To: gcc-bugzilla@gcc.gnu.org
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Subject: [Bug gcov/profile/20815] -fprofile-use barfs with "coverage mismatch for function '...' while reading counter 'arcs'."
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------- Additional Comments From hubicka at ucw dot cz 2005-05-18 22:47 -------
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Subject: Re: [Bug gcov/profile/20815] -fprofile-use barfs with "coverage mismatch for function '...' while reading counter 'arcs'."
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>
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> ------- Additional Comments From hubicka at ucw dot cz 2005-05-18 22:22 -------
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> Subject: Re: [Bug gcov/profile/20815] -fprofile-use barfs with "coverage mismatch for function '...' while reading counter 'arcs'."
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>
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> coverage_checksum_string already knows a bit about ignoring random seed
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> produced mess. It looks like this needs to be extended somehow to
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> handle namespaces too...
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This seems to solve the missmatch. Would it be possible to test it on
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bigger testcase and if it works distile a testcase that don't use
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file IO so it is more suitable for gcc regtesting?
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Index: coverage.c
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===================================================================
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RCS file: /cvs/gcc/gcc/gcc/coverage.c,v
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retrieving revision 1.6.2.12.2.12
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diff -c -3 -p -r1.6.2.12.2.12 coverage.c
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*** gcc-old/gcc/coverage.c 18 May 2005 07:37:31 -0000 1.6.2.12.2.12
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--- gcc/gcc/coverage.c 18 May 2005 22:45:36 -0000
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*************** coverage_checksum_string (unsigned chksu
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*** 471,505 ****
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as the checksums are used only for sanity checking. */
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for (i = 0; string[i]; i++)
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{
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if (!strncmp (string + i, "_GLOBAL__", 9))
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! for (i = i + 9; string[i]; i++)
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! if (string[i]=='_')
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! {
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! int y;
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! unsigned seed;
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! int scan;
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!
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! for (y = 1; y < 9; y++)
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! if (!(string[i + y] >= '0' && string[i + y] <= '9')
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! && !(string[i + y] >= 'A' && string[i + y] <= 'F'))
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! break;
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! if (y != 9 || string[i + 9] != '_')
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! continue;
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! for (y = 10; y < 18; y++)
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! if (!(string[i + y] >= '0' && string[i + y] <= '9')
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! && !(string[i + y] >= 'A' && string[i + y] <= 'F'))
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! break;
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! if (y != 18)
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! continue;
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! scan = sscanf (string + i + 10, "%X", &seed);
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! gcc_assert (scan);
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! if (seed != crc32_string (0, flag_random_seed))
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! continue;
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! string = dup = xstrdup (string);
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! for (y = 10; y < 18; y++)
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! dup[i + y] = '0';
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! break;
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! }
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break;
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}
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--- 471,511 ----
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as the checksums are used only for sanity checking. */
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for (i = 0; string[i]; i++)
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{
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+ int offset = 0;
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+ if (!strncmp (string + i, "_GLOBAL__N_", 11))
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+ offset = 11;
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if (!strncmp (string + i, "_GLOBAL__", 9))
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! offset = 9;
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!
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! /* C++ namespaces do have scheme:
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! _GLOBAL__N_<filename>_<wrongmagicnumber>_<magicnumber>functionname
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! since filename might contain extra underscores there seems
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! to be no better chance then walk all possible offsets looking
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! for magicnuber. */
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! if (offset)
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! for (;string[offset]; offset++)
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! for (i = i + offset; string[i]; i++)
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! if (string[i]=='_')
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! {
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! int y;
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!
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! for (y = 1; y < 9; y++)
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! if (!(string[i + y] >= '0' && string[i + y] <= '9')
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! && !(string[i + y] >= 'A' && string[i + y] <= 'F'))
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! break;
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! if (y != 9 || string[i + 9] != '_')
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! continue;
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! for (y = 10; y < 18; y++)
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! if (!(string[i + y] >= '0' && string[i + y] <= '9')
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! && !(string[i + y] >= 'A' && string[i + y] <= 'F'))
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! break;
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! if (y != 18)
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! continue;
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! if (!dup)
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! string = dup = xstrdup (string);
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! for (y = 10; y < 18; y++)
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! dup[i + y] = '0';
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! }
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break;
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}
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--
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20815
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------- You are receiving this mail because: -------
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You reported the bug, or are watching the reporter.
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