From: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
To: igt-dev@lists.freedesktop.org
Subject: [igt-dev] [PATCH i-g-t 1/5] meson/cc: Disable memory-allocating builtins
Date: Thu, 9 May 2019 13:03:22 +0300 [thread overview]
Message-ID: <20190509100326.29224-1-arkadiusz.hiler@intel.com> (raw)
Disable the memory allocating builtins as they may cause unexpected behavior
with our framework. They *may* get optimized out in favor of a register or
stack variable, making them effectively local.
Local variables do not play well with longjmp, which we use for fixtures
and subtests.
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
---
meson.build | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/meson.build b/meson.build
index 8196ab63..2d54c28f 100644
--- a/meson.build
+++ b/meson.build
@@ -62,6 +62,12 @@ cc_args = [
'-Werror=sequence-point',
'-Werror=trigraphs',
'-Werror=write-strings',
+# Disable the memory allocating builtins as they may cause unexpected behavior
+# with our framework. They *may* get optimized out in favor of a register or
+# stack variable, making them effectively local. Local variables do not play
+# well with longjmp which is heavily used by IGT framework.
+ '-fno-builtin-malloc',
+ '-fno-builtin-calloc',
]
foreach cc_arg : cc_args
--
2.20.1
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next reply other threads:[~2019-05-09 10:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-09 10:03 Arkadiusz Hiler [this message]
2019-05-09 10:03 ` [igt-dev] [PATCH i-g-t 2/5] lib/tests/igt_subtest_group: Operate within defined behavior Arkadiusz Hiler
2019-05-09 10:31 ` Ser, Simon
2019-05-09 11:11 ` Arkadiusz Hiler
2019-05-09 11:30 ` Ser, Simon
2019-05-09 10:03 ` [igt-dev] [PATCH i-g-t 3/5] runner_tests: " Arkadiusz Hiler
2019-05-09 10:43 ` Petri Latvala
2019-05-09 10:03 ` [igt-dev] [PATCH i-g-t 4/5] meson: Change the default build type to debugoptimized Arkadiusz Hiler
2019-05-09 10:03 ` [igt-dev] [PATCH i-g-t 5/5] meson: Use -D_FORTIFY_SOURCE=2 on optimized builds Arkadiusz Hiler
2019-05-09 11:37 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [i-g-t,1/5] meson/cc: Disable memory-allocating builtins Patchwork
2019-05-09 14:54 ` [igt-dev] ✗ Fi.CI.IGT: failure " Patchwork
2019-05-10 5:07 ` Arkadiusz Hiler
2019-05-09 20:35 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [i-g-t,1/5] meson/cc: Disable memory-allocating builtins (rev2) Patchwork
2019-05-10 4:46 ` [igt-dev] ✓ Fi.CI.IGT: " Patchwork
2019-05-10 8:28 ` [igt-dev] [PATCH i-g-t 1/5] meson/cc: Disable memory-allocating builtins Daniel Vetter
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