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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 /elf/tls-macros.h
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 'elf/tls-macros.h')
-rw-r--r--elf/tls-macros.h51
1 files changed, 48 insertions, 3 deletions
diff --git a/elf/tls-macros.h b/elf/tls-macros.h
index 0ae9e65dc0..37cbe7514f 100644
--- a/elf/tls-macros.h
+++ b/elf/tls-macros.h
@@ -703,6 +703,8 @@ register void *__gp __asm__("$29");
#elif defined __powerpc__ && !defined __powerpc64__
+#include "config.h"
+
# define __TLS_CALL_CLOBBERS \
"0", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", \
"lr", "ctr", "cr0", "cr1", "cr5", "cr6", "cr7"
@@ -715,7 +717,20 @@ register void *__gp __asm__("$29");
__result; })
/* PowerPC32 Initial Exec TLS access. */
-# define TLS_IE(x) \
+# ifdef HAVE_ASM_PPC_REL16
+# define TLS_IE(x) \
+ ({ int *__result; \
+ asm ("bcl 20,31,1f\n1:\t" \
+ "mflr %0\n\t" \
+ "addis %0,%0,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \
+ "addi %0,%0,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \
+ "lwz %0," #x "@got@tprel(%0)\n\t" \
+ "add %0,%0," #x "@tls" \
+ : "=b" (__result) : \
+ : "lr"); \
+ __result; })
+# else
+# define TLS_IE(x) \
({ int *__result; \
asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
"mflr %0\n\t" \
@@ -724,9 +739,24 @@ register void *__gp __asm__("$29");
: "=b" (__result) : \
: "lr"); \
__result; })
+# endif
/* PowerPC32 Local Dynamic TLS access. */
-# define TLS_LD(x) \
+# ifdef HAVE_ASM_PPC_REL16
+# define TLS_LD(x) \
+ ({ int *__result; \
+ asm ("bcl 20,31,1f\n1:\t" \
+ "mflr 3\n\t" \
+ "addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \
+ "addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \
+ "addi 3,3," #x "@got@tlsld\n\t" \
+ "bl __tls_get_addr@plt\n\t" \
+ "addi %0,3," #x "@dtprel" \
+ : "=r" (__result) : \
+ : __TLS_CALL_CLOBBERS); \
+ __result; })
+# else
+# define TLS_LD(x) \
({ int *__result; \
asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
"mflr 3\n\t" \
@@ -736,9 +766,23 @@ register void *__gp __asm__("$29");
: "=r" (__result) : \
: __TLS_CALL_CLOBBERS); \
__result; })
+# endif
/* PowerPC32 General Dynamic TLS access. */
-# define TLS_GD(x) \
+# ifdef HAVE_ASM_PPC_REL16
+# define TLS_GD(x) \
+ ({ register int *__result __asm__ ("r3"); \
+ asm ("bcl 20,31,1f\n1:\t" \
+ "mflr 3\n\t" \
+ "addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \
+ "addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \
+ "addi 3,3," #x "@got@tlsgd\n\t" \
+ "bl __tls_get_addr@plt" \
+ : : \
+ : __TLS_CALL_CLOBBERS); \
+ __result; })
+# else
+# define TLS_GD(x) \
({ register int *__result __asm__ ("r3"); \
asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
"mflr 3\n\t" \
@@ -747,6 +791,7 @@ register void *__gp __asm__("$29");
: : \
: __TLS_CALL_CLOBBERS); \
__result; })
+# endif
#elif defined __powerpc__ && defined __powerpc64__