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authorUlrich Drepper <drepper@redhat.com>2009-01-29 00:17:57 +0000
committerUlrich Drepper <drepper@redhat.com>2009-01-29 00:17:57 +0000
commitfd537e535fe9f4d2b0286cf7a7242ef1e6775e67 (patch)
tree2eed5f293901fe55fc170dd02dd120f92acf1ece /include/alloca.h
parent31d322a214386b20bb82c06d0c436bd0f0e80236 (diff)
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[BZ #9750]
* nscd/mem.c (gc): Use alloca_count to get the real stack usage. * include/alloca.h (alloca_account): Define. * sysdeps/x86_64/stackinfo.h (stackinfo_get_sp): Define. (stackinfo_sub_sp): Define.
Diffstat (limited to 'include/alloca.h')
-rw-r--r--include/alloca.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/alloca.h b/include/alloca.h
index 563d786..7d243fd 100644
--- a/include/alloca.h
+++ b/include/alloca.h
@@ -46,4 +46,17 @@ extern int __libc_alloca_cutoff (size_t size) __attribute__ ((const));
__alloca (((len) = (newlen)))
#endif
+#if defined stackinfo_get_sp && defined stackinfo_sub_sp
+# define alloca_account(size, avar) \
+ ({ void *old__ = stackinfo_get_sp (); \
+ void *m__ = __alloca (size); \
+ avar += stackinfo_sub_sp (old__); \
+ m__; })
+#else
+# define alloca_account(size, avar) \
+ ({ size_t s__ = (size); \
+ avar += size__; \
+ __alloca (size__); })
+#endif
+
#endif