diff options
| -rw-r--r-- | CHANGES | 1 | ||||
| -rw-r--r-- | toolchain/uClibc/uClibc-0.9.31-more-workarounds-GCC-PR32219.patch | 40 | ||||
| -rw-r--r-- | toolchain/uClibc/uClibc-0.9.31-workaround-GCC-PR32219.patch | 57 |
3 files changed, 98 insertions, 0 deletions
@@ -54,6 +54,7 @@ #2095: make gconfig: undefined reference to symbol 'dlsym@@GLIBC_2.2.5' #2101: blackbox depends on locale support #2119: Tries to build kernel, although disabled in config + #2143: buildroot compiler generates segfaulting statically linked exe.. #2155: Compression lzo don't set for ubifs 2010.05, Released May 30th, 2010: diff --git a/toolchain/uClibc/uClibc-0.9.31-more-workarounds-GCC-PR32219.patch b/toolchain/uClibc/uClibc-0.9.31-more-workarounds-GCC-PR32219.patch new file mode 100644 index 000000000..9e6953224 --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.31-more-workarounds-GCC-PR32219.patch @@ -0,0 +1,40 @@ +From aa67771881d65373da448ad5f7a8393f3a1d9469 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi> +Date: Wed, 30 Jun 2010 14:46:37 +0300 +Subject: [PATCH] more workarounds for GCC PR32219 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Commit 2e53dd645d5348f207cec7f8595969dc566c5a55 workarounds GCC +bug when accessing _locale_init and _stdio_init. We need the same +fix for __errno_location and __h_errno_location otherwise we crash +calling null with static and non-threaded builds. + +Signed-off-by: Timo Teräs <timo.teras@iki.fi> +Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> +--- + libc/misc/internals/__uClibc_main.c | 4 ++-- + 1 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c +index 3f09ad2..58f6643 100644 +--- a/libc/misc/internals/__uClibc_main.c ++++ b/libc/misc/internals/__uClibc_main.c +@@ -447,11 +447,11 @@ void __uClibc_main(int (*main)(int, char **, char **), int argc, + * have resulted in errno being set nonzero, so set it to 0 before + * we call main. + */ +- if (likely(__errno_location!=NULL)) ++ if (likely(not_null_ptr(__errno_location))) + *(__errno_location()) = 0; + + /* Set h_errno to 0 as well */ +- if (likely(__h_errno_location!=NULL)) ++ if (likely(not_null_ptr(__h_errno_location))) + *(__h_errno_location()) = 0; + + #if defined HAVE_CLEANUP_JMP_BUF && defined __UCLIBC_HAS_THREADS_NATIVE__ +-- +1.7.1 + diff --git a/toolchain/uClibc/uClibc-0.9.31-workaround-GCC-PR32219.patch b/toolchain/uClibc/uClibc-0.9.31-workaround-GCC-PR32219.patch new file mode 100644 index 000000000..242a5264b --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.31-workaround-GCC-PR32219.patch @@ -0,0 +1,57 @@ +From 2e53dd645d5348f207cec7f8595969dc566c5a55 Mon Sep 17 00:00:00 2001 +From: Denys Vlasenko <vda.linux@googlemail.com> +Date: Mon, 17 May 2010 15:56:19 +0200 +Subject: [PATCH] workaround GCC PR32219 + +we ended up calling 0 +Fixes bug #1033 + +Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> +Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> +--- + libc/misc/internals/__uClibc_main.c | 15 +++++++++++++-- + 1 files changed, 13 insertions(+), 2 deletions(-) + +diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c +index f9e1244..4ee4443 100644 +--- a/libc/misc/internals/__uClibc_main.c ++++ b/libc/misc/internals/__uClibc_main.c +@@ -105,6 +105,17 @@ _pthread_cleanup_pop_restore(struct _pthread_cleanup_buffer *__buffer, + + #endif /* !SHARED */ + ++/* Defeat compiler optimization which assumes function addresses are never NULL */ ++static __always_inline int not_null_ptr(const void *p) ++{ ++ const void *q; ++ __asm__ ("" ++ : "=r" (q) /* output */ ++ : "0" (p) /* input */ ++ ); ++ return q != 0; ++} ++ + /* + * Prototypes. + */ +@@ -254,7 +265,7 @@ void __uClibc_init(void) + + #ifdef __UCLIBC_HAS_LOCALE__ + /* Initialize the global locale structure. */ +- if (likely(_locale_init!=NULL)) ++ if (likely(not_null_ptr(_locale_init))) + _locale_init(); + #endif + +@@ -264,7 +275,7 @@ void __uClibc_init(void) + * Thus we get a nice size savings because the stdio functions + * won't be pulled into the final static binary unless used. + */ +- if (likely(_stdio_init != NULL)) ++ if (likely(not_null_ptr(_stdio_init))) + _stdio_init(); + + } +-- +1.7.1 + |