diff options
| author | Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2008-07-28 21:32:33 +0000 |
|---|---|---|
| committer | Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2008-07-28 21:32:33 +0000 |
| commit | 6317df47791e1e35b78dc69a636445dbc22d5c21 (patch) | |
| tree | 5134392c237e9aed62c1b6f7d5620340db781262 /patches/glibc/2.7/210-alpha-ptr_mangle.patch | |
| parent | 3bf3f54ed10aec366066d796186eea63c4169ad2 (diff) | |
| download | crosstool-ng-6317df47791e1e35b78dc69a636445dbc22d5c21.tar.gz crosstool-ng-6317df47791e1e35b78dc69a636445dbc22d5c21.tar.bz2 crosstool-ng-6317df47791e1e35b78dc69a636445dbc22d5c21.zip | |
Fourth step at renaming patches: renumber all patches with a 10-step.
Diffstat (limited to 'patches/glibc/2.7/210-alpha-ptr_mangle.patch')
| -rw-r--r-- | patches/glibc/2.7/210-alpha-ptr_mangle.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/patches/glibc/2.7/210-alpha-ptr_mangle.patch b/patches/glibc/2.7/210-alpha-ptr_mangle.patch new file mode 100644 index 00000000..7f228333 --- /dev/null +++ b/patches/glibc/2.7/210-alpha-ptr_mangle.patch @@ -0,0 +1,94 @@ +--- glibc-2.7.orig/sysdeps/unix/alpha/sysdep.h ++++ glibc-2.7/sysdeps/unix/alpha/sysdep.h +@@ -397,42 +397,4 @@ + _sc_ret = _sc_0, _sc_err = _sc_19; \ + } + +-/* Pointer mangling support. Note that tls access is slow enough that +- we don't deoptimize things by placing the pointer check value there. */ +- +-#include <stdint.h> +- +-#if defined NOT_IN_libc && defined IS_IN_rtld +-# ifdef __ASSEMBLER__ +-# define PTR_MANGLE(dst, src, tmp) \ +- ldah tmp, __pointer_chk_guard_local($29) !gprelhigh; \ +- ldq tmp, __pointer_chk_guard_local(tmp) !gprellow; \ +- xor src, tmp, dst +-# define PTR_MANGLE2(dst, src, tmp) \ +- xor src, tmp, dst +-# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp) +-# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp) +-# else +-extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden; +-# define PTR_MANGLE(var) \ +- (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local) +-# define PTR_DEMANGLE(var) PTR_MANGLE(var) +-# endif +-#elif defined PIC +-# ifdef __ASSEMBLER__ +-# define PTR_MANGLE(dst, src, tmp) \ +- ldq tmp, __pointer_chk_guard; \ +- xor src, tmp, dst +-# define PTR_MANGLE2(dst, src, tmp) \ +- xor src, tmp, dst +-# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp) +-# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp) +-# else +-extern uintptr_t __pointer_chk_guard attribute_relro; +-# define PTR_MANGLE(var) \ +- (var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard) +-# define PTR_DEMANGLE(var) PTR_MANGLE(var) +-# endif +-#endif +- + #endif /* ASSEMBLER */ +--- glibc-2.7.orig/sysdeps/unix/sysv/linux/alpha/sysdep.h ++++ glibc-2.7/sysdeps/unix/sysv/linux/alpha/sysdep.h +@@ -98,4 +98,46 @@ + INTERNAL_SYSCALL1(name, err_out, nr, args); \ + }) + ++/* Pointer mangling support. Note that tls access is slow enough that ++ we don't deoptimize things by placing the pointer check value there. */ ++ ++#if defined NOT_IN_libc && defined IS_IN_rtld ++# ifdef __ASSEMBLER__ ++# define PTR_MANGLE(dst, src, tmp) \ ++ ldah tmp, __pointer_chk_guard_local($29) !gprelhigh; \ ++ ldq tmp, __pointer_chk_guard_local(tmp) !gprellow; \ ++ xor src, tmp, dst ++# define PTR_MANGLE2(dst, src, tmp) \ ++ xor src, tmp, dst ++# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp) ++# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp) ++# else ++extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden; ++# define PTR_MANGLE(var) \ ++ (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local) ++# define PTR_DEMANGLE(var) PTR_MANGLE(var) ++# endif ++#elif defined PIC ++# ifdef __ASSEMBLER__ ++# define PTR_MANGLE(dst, src, tmp) \ ++ ldq tmp, __pointer_chk_guard; \ ++ xor src, tmp, dst ++# define PTR_MANGLE2(dst, src, tmp) \ ++ xor src, tmp, dst ++# define PTR_DEMANGLE(dst, tmp) PTR_MANGLE(dst, dst, tmp) ++# define PTR_DEMANGLE2(dst, tmp) PTR_MANGLE2(dst, dst, tmp) ++# else ++extern uintptr_t __pointer_chk_guard attribute_relro; ++# define PTR_MANGLE(var) \ ++ (var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard) ++# define PTR_DEMANGLE(var) PTR_MANGLE(var) ++# endif ++#else ++/* Pointer mangling is not yet supported for static libc on alpha. */ ++# ifndef __ASSEMBLER__ ++# define PTR_MANGLE(var) (void) (var) ++# define PTR_DEMANGLE(var) (void) (var) ++# endif ++#endif ++ + #endif /* _LINUX_ALPHA_SYSDEP_H */ |