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authorUlrich Drepper <drepper@redhat.com>2005-06-17 23:11:35 +0000
committerUlrich Drepper <drepper@redhat.com>2005-06-17 23:11:35 +0000
commit99c7f8700ddf5120fe930e0d330f85ad6e421581 (patch)
tree8db86d4d3c7e71c2838810f211f0de6fa9828982 /linuxthreads/sysdeps/unix/sysv/linux
parent7b01092b16c2a8f3d64394ed8d984286fa970ee7 (diff)
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* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_runtime_setup):
Handle prelinked libraries and binaries with new style PLT. 2005-06-07 Jakub Jelinek <jakub@redhat.com> * elf/elf.h (R_PPC_REL16, R_PPC_REL16_LO, R_PPC_REL16_HI, R_PPC_REL16_HA): Define. 2005-06-14 Alan Modra <amodra@bigpond.net.au> * config.h.in (HAVE_ASM_PPC_REL16): Add. * elf/elf.h (DT_PPC_GOT, DT_PPC_NUM): Define. * elf/tls-macros.h (PowerPC32): Include config.h. Add variants of TLS_IE, TLS_LD and TLS_GD for new PLT/GOT layout. * sysdeps/powerpc/powerpc32/configure.in: New file, * sysdeps/powerpc/powerpc32/dl-dtprocnum.h: New file. * sysdeps/powerpc/powerpc32/dl-machine.h (DT_PPC): Define. (ppc_got): New inline function. (elf_machine_dynamic): Use ppc_got. Add attribute const. (elf_machine_load_address): Add attribute const. Don't use int vars. Use bcl rather than bl to save trashing branch target stack. Use elf_machine_dynamic rather than duplicating code here. (elf_machine_runtime_setup): New inline function replacing define. Handle new PLT. (elf_machine_fixup_plt): Handle new PLT. (elf_machine_rela): Likewise. * sysdeps/powerpc/powerpc32/sysdep.h: Include config.h. (CALL_MCOUNT): Don't set up counter vars. * sysdeps/powerpc/powerpc32/ppc-mcount.S: Correct comment. * sysdeps/powerpc/powerpc32/elf/start.S (start_addressesp): Don't define when HAVE_ASM_PPC_REL16. (_start): Add HAVE_ASM_PPC_REL16 code. * sysdeps/powerpc/powerpc32/dl-start.S (_dl_start_user): Don't bl into the GOT when HAVE_ASM_PPC_REL16. * sysdeps/powerpc/powerpc32/memset.S (memset): Likewise. * sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S (__longjmp): Ditto. * sysdeps/powerpc/powerpc32/fpu/s_ceil.S (__ceil): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_ceilf.S (__ceilf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floor.S (__floor): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floorf.S (__floorf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_lround.S (__lround): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rint.S (__rint): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rintf.S (__rintf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_round.S (__round): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S (__roundf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_trunc.S (__trunc): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_truncf.S (__truncf): Likewise. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S (__sigsetjmp): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S (__brk): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S (__getcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S (__setcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S (__swapcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S (stackblock): Comment. (__socket): Bomb if NARGS >= 7. Invoke CGOTSETUP and CGOTRESTORE. 2005-06-17 Ulrich Drepper <drepper@redhat.com> * sysdeps/posix/sigignore.c: Include <string.h> to tell the compiler to use __GI_memset. * sysdeps/posix/signal.c: Likewise. * sysdeps/posix/sigset.c: Likewise. * sysdeps/posix/sysv_signal.c: Likewise. * sysdeps/unix/sysv/linux/sleep.c: Likewise. * sysdeps/unix/sysv/linux/sysctl.c: Likewise. * sysdeps/unix/sysv/linux/system.c: Likewise.
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux')
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h30
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S8
2 files changed, 37 insertions, 1 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
index 2f7c546a4c..865da8e8ca 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
@@ -37,6 +37,7 @@
stwu 1,-48(1); \
mflr 9; \
stw 9,52(1); \
+ CGOTSETUP; \
DOCARGS_##args; /* save syscall args around CENABLE. */ \
CENABLE; \
stw 3,16(1); /* store CENABLE return value (MASK). */ \
@@ -50,6 +51,7 @@
lwz 4,52(1); \
lwz 0,12(1); /* restore CR/R3. */ \
lwz 3,8(1); \
+ CGOTRESTORE; \
mtlr 4; \
mtcr 0; \
addi 1,1,48;
@@ -75,6 +77,9 @@
# define DOCARGS_6 stw 8,40(1); DOCARGS_5
# define UNDOCARGS_6 lwz 8,40(1); UNDOCARGS_5
+# define CGOTSETUP
+# define CGOTRESTORE
+
# ifdef IS_IN_libpthread
# define CENABLE bl __pthread_enable_asynccancel@local
# define CDISABLE bl __pthread_disable_asynccancel@local
@@ -84,6 +89,18 @@
# else
# define CENABLE bl JUMPTARGET(__librt_enable_asynccancel)
# define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel)
+# if defined HAVE_AS_REL16 && defined PIC
+# undef CGOTSETUP
+# define CGOTSETUP \
+ bcl 20,31,1f; \
+ 1: stw 30,44(1); \
+ mflr 30; \
+ addis 30,30,_GLOBAL_OFFSET_TABLE-1b@ha; \
+ addi 30,30,_GLOBAL_OFFSET_TABLE-1b@l
+# undef CGOTRESTORE
+# define CGOTRESTORE \
+ lwz 30,44(1)
+# endif
# endif
# ifdef HAVE_TLS_SUPPORT
@@ -111,7 +128,17 @@ extern int __local_multiple_threads attribute_hidden;
lwz 10,__local_multiple_threads@l(10); \
cmpwi 10,0
# else
-# define SINGLE_THREAD_P \
+# ifdef HAVE_ASM_PPC_REL16
+# define SINGLE_THREAD_P \
+ mflr 9; \
+ bcl 20,31,1f; \
+1:mflr 10; \
+ addis 10,10,__local_multiple_threads-1b@ha; \
+ lwz 10,__local_multiple_threads-1b@l(10); \
+ mtlr 9; \
+ cmpwi 10,0
+# else
+# define SINGLE_THREAD_P \
mflr 9; \
bl _GLOBAL_OFFSET_TABLE_@local-4; \
mflr 10; \
@@ -119,6 +146,7 @@ extern int __local_multiple_threads attribute_hidden;
lwz 10,__local_multiple_threads@got(10); \
lwz 10,0(10); \
cmpwi 10,0
+# endif
# endif
# endif
# endif
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
index 920c45eee2..724d4cc541 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -31,11 +31,19 @@ ENTRY (__vfork)
#ifdef __NR_vfork
# ifdef SHARED
mflr 9
+# ifdef HAVE_ASM_PPC_REL16
+ bcl 20,31,1f
+1: mflr 10
+ addis 10,10,__libc_pthread_functions-1b@ha
+ lwz 10,__libc_pthread_functions-1b@l(10)
+ mtlr 9
+# else
bl _GLOBAL_OFFSET_TABLE_@local-4
mflr 10
mtlr 9
lwz 10,__libc_pthread_functions@got(10)
lwz 10,0(10)
+# endif
# else
.weak pthread_create
lis 10,pthread_create@ha