From d9038ff837089bcef3623b362cbe8ea5e96b2d87 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 20 Dec 2005 15:28:51 +0000 Subject: [PATCH] * sysdeps/unix/sysv/linux/sh/sysdep.h: Include tls.h. (PTR_MANGLE, PTR_DEMANGLE): Define. (SYSCALL_ERROR_HANDLER): Fix typo. * sysdeps/sh/sh4/__longjmp.S: Use PTR_DEMANGLE if defined. * sysdeps/sh/sh3/__longjmp.S: Likewise. * sysdeps/sh/sh4/setjmp.S: Use PTR_MANGLE if defined. * sysdeps/sh/sh3/setjmp.S: Likewise. --- ChangeLog | 10 ++++ nptl/sysdeps/sh/tcb-offsets.sym | 1 + nptl/sysdeps/sh/tls.h | 15 ++++- sysdeps/ia64/fpu/libm-test-ulps | 86 +++++++++++++++++++---------- sysdeps/sh/sh3/__longjmp.S | 12 +++- sysdeps/sh/sh3/setjmp.S | 18 +++++- sysdeps/sh/sh4/__longjmp.S | 12 +++- sysdeps/sh/sh4/setjmp.S | 18 +++++- sysdeps/unix/sysv/linux/sh/sysdep.h | 24 +++++++- 9 files changed, 152 insertions(+), 44 deletions(-) diff --git a/ChangeLog b/ChangeLog index b5a7619b2e..b86507a8d1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2005-12-19 Kaz Kojima + + * sysdeps/unix/sysv/linux/sh/sysdep.h: Include tls.h. + (PTR_MANGLE, PTR_DEMANGLE): Define. + (SYSCALL_ERROR_HANDLER): Fix typo. + * sysdeps/sh/sh4/__longjmp.S: Use PTR_DEMANGLE if defined. + * sysdeps/sh/sh3/__longjmp.S: Likewise. + * sysdeps/sh/sh4/setjmp.S: Use PTR_MANGLE if defined. + * sysdeps/sh/sh3/setjmp.S: Likewise. + 2005-12-20 Jakub Jelinek * sysdeps/ia64/fpu/libm-test-ulps: Update for GCC 4.1 prerelease. diff --git a/nptl/sysdeps/sh/tcb-offsets.sym b/nptl/sysdeps/sh/tcb-offsets.sym index 539789a817..4ad866335b 100644 --- a/nptl/sysdeps/sh/tcb-offsets.sym +++ b/nptl/sysdeps/sh/tcb-offsets.sym @@ -9,3 +9,4 @@ CLEANUP_JMP_BUF offsetof (struct pthread, cleanup_jmp_buf) MULTIPLE_THREADS_OFFSET offsetof (struct pthread, header.multiple_threads) TLS_PRE_TCB_SIZE sizeof (struct pthread) MUTEX_FUTEX offsetof (pthread_mutex_t, __data.__lock) +POINTER_GUARD offsetof (tcbhead_t, pointer_guard) diff --git a/nptl/sysdeps/sh/tls.h b/nptl/sysdeps/sh/tls.h index e883bae993..49d105518a 100644 --- a/nptl/sysdeps/sh/tls.h +++ b/nptl/sysdeps/sh/tls.h @@ -41,7 +41,7 @@ typedef union dtv typedef struct { dtv_t *dtv; - void *private; + uintptr_t pointer_guard; } tcbhead_t; # define TLS_MULTIPLE_THREADS_IN_TCB 1 @@ -140,6 +140,19 @@ typedef struct # define THREAD_SETMEM_NC(descr, member, idx, value) \ descr->member[idx] = (value) +#define THREAD_GET_POINTER_GUARD() \ + ({ tcbhead_t *__tcbp; \ + __asm __volatile ("stc gbr,%0" : "=r" (__tcbp)); \ + __tcbp->pointer_guard;}) + #define THREAD_SET_POINTER_GUARD(value) \ + ({ tcbhead_t *__tcbp; \ + __asm __volatile ("stc gbr,%0" : "=r" (__tcbp)); \ + __tcbp->pointer_guard = (value);}) +#define THREAD_COPY_POINTER_GUARD(descr) \ + ({ tcbhead_t *__tcbp; \ + __asm __volatile ("stc gbr,%0" : "=r" (__tcbp)); \ + ((tcbhead_t *) (descr + 1))->pointer_guard = __tcbp->pointer_guard;}) + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/sysdeps/ia64/fpu/libm-test-ulps b/sysdeps/ia64/fpu/libm-test-ulps index 2f67d213b4..d0e801ac11 100644 --- a/sysdeps/ia64/fpu/libm-test-ulps +++ b/sysdeps/ia64/fpu/libm-test-ulps @@ -253,8 +253,8 @@ double: 1 float: 4 idouble: 1 ifloat: 4 -ildouble: 1 -ldouble: 1 +ildouble: 6 +ldouble: 6 Test "Imaginary part of: cpow (0.75 + 1.25 i, 0.75 + 1.25 i) == 0.117506293914473555420279832210420483 + 0.346552747708338676483025352060418001 i": ildouble: 1 ldouble: 1 @@ -451,21 +451,26 @@ ifloat: 1 # j0 Test "j0 (-4.0) == -3.9714980986384737228659076845169804197562E-1": double: 1 -float: 1 +float: 2 idouble: 1 -ifloat: 1 +ifloat: 2 ildouble: 2 ldouble: 2 Test "j0 (10.0) == -0.245935764451348335197760862485328754": -double: 2 +double: 3 float: 1 -idouble: 2 +idouble: 3 ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "j0 (2.0) == 0.223890779141235668051827454649948626": +float: 2 +ifloat: 2 Test "j0 (4.0) == -3.9714980986384737228659076845169804197562E-1": double: 1 -float: 1 +float: 2 idouble: 1 -ifloat: 1 +ifloat: 2 ildouble: 2 ldouble: 2 Test "j0 (8.0) == 0.171650807137553906090869407851972001": @@ -488,21 +493,26 @@ idouble: 1 # jn Test "jn (0, -4.0) == -3.9714980986384737228659076845169804197562E-1": double: 1 -float: 1 +float: 2 idouble: 1 -ifloat: 1 +ifloat: 2 ildouble: 2 ldouble: 2 Test "jn (0, 10.0) == -0.245935764451348335197760862485328754": -double: 2 +double: 3 float: 1 -idouble: 2 +idouble: 3 ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "jn (0, 2.0) == 0.223890779141235668051827454649948626": +float: 2 +ifloat: 2 Test "jn (0, 4.0) == -3.9714980986384737228659076845169804197562E-1": double: 1 -float: 1 +float: 2 idouble: 1 -ifloat: 1 +ifloat: 2 ildouble: 2 ldouble: 2 Test "jn (0, 8.0) == 0.171650807137553906090869407851972001": @@ -543,8 +553,8 @@ ifloat: 1 ildouble: 2 ldouble: 2 Test "jn (10, 2.0) == 0.251538628271673670963516093751820639e-6": -float: 3 -ifloat: 3 +float: 4 +ifloat: 4 ildouble: 1 ldouble: 1 Test "jn (3, -1.0) == -0.0195633539826684059189053216217515083": @@ -563,16 +573,16 @@ ildouble: 1 ldouble: 1 Test "jn (3, 10.0) == 0.0583793793051868123429354784103409563": double: 3 -float: 1 +float: 2 idouble: 3 -ifloat: 1 +ifloat: 2 ildouble: 1 ldouble: 1 Test "jn (3, 2.0) == 0.128943249474402051098793332969239835": double: 1 -float: 1 +float: 2 idouble: 1 -ifloat: 1 +ifloat: 2 ildouble: 1 ldouble: 1 @@ -685,6 +695,8 @@ ldouble: 1 # y1 Test "y1 (0.125) == -5.19993611253477499595928744876579921": +double: 1 +idouble: 1 ildouble: 1 ldouble: 1 Test "y1 (10.0) == 0.249015424206953883923283474663222803": @@ -692,6 +704,11 @@ double: 3 float: 1 idouble: 3 ifloat: 1 +Test "y1 (1.5) == -0.412308626973911295952829820633445323"; +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 Test "y1 (2.0) == -0.107032431540937546888370772277476637": double: 1 float: 1 @@ -737,6 +754,8 @@ ifloat: 1 ildouble: 1 ldouble: 1 Test "yn (1, 0.125) == -5.19993611253477499595928744876579921": +double: 1 +idouble: 1 ildouble: 1 ldouble: 1 Test "yn (1, 10.0) == 0.249015424206953883923283474663222803": @@ -744,6 +763,11 @@ double: 3 float: 1 idouble: 3 ifloat: 1 +Test "yn (1, 1.5) == -0.412308626973911295952829820633445323"; +float: 1 +ifloat: 1 +ldouble: 1 +ildouble: 1 Test "yn (1, 2.0) == -0.107032431540937546888370772277476637": double: 1 float: 1 @@ -757,6 +781,8 @@ float: 2 idouble: 1 ifloat: 2 Test "yn (10, 0.125) == -127057845771019398.252538486899753195": +double: 1 +idouble: 1 ildouble: 2 ldouble: 2 Test "yn (10, 0.75) == -2133501638.90573424452445412893839236": @@ -769,13 +795,17 @@ float: 2 ifloat: 2 Test "yn (10, 10.0) == -0.359814152183402722051986577343560609": double: 2 +float: 2 idouble: 2 +ifloat: 2 Test "yn (10, 2.0) == -129184.542208039282635913145923304214": double: 3 float: 1 idouble: 3 ifloat: 1 Test "yn (3, 0.125) == -2612.69757350066712600220955744091741": +double: 1 +idouble: 1 ildouble: 1 ldouble: 1 Test "yn (3, 0.75) == -12.9877176234475433186319774484809207": @@ -926,8 +956,8 @@ double: 2 float: 5 idouble: 2 ifloat: 5 -ildouble: 3 -ldouble: 3 +ildouble: 6 +ldouble: 6 Function: Imaginary part of "cpow": double: 2 @@ -1028,10 +1058,10 @@ float: 1 ifloat: 1 Function: "j0": -double: 2 -float: 1 -idouble: 2 -ifloat: 1 +double: 3 +float: 2 +idouble: 3 +ifloat: 2 ildouble: 2 ldouble: 2 @@ -1045,9 +1075,9 @@ ldouble: 1 Function: "jn": double: 3 -float: 3 +float: 4 idouble: 3 -ifloat: 3 +ifloat: 4 ildouble: 2 ldouble: 2 diff --git a/sysdeps/sh/sh3/__longjmp.S b/sysdeps/sh/sh3/__longjmp.S index cd78cfe516..08d39d02dd 100644 --- a/sysdeps/sh/sh3/__longjmp.S +++ b/sysdeps/sh/sh3/__longjmp.S @@ -1,5 +1,5 @@ /* longjmp for SH. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -32,13 +32,19 @@ ENTRY (__longjmp) mov.l @r4+, r12 mov.l @r4+, r13 mov.l @r4+, r14 - mov.l @r4+, r15 mov r5, r0 /* get the return value in place */ tst r0, r0 bf.s 1f - lds.l @r4+, pr + mov.l @r4+, r15 mov #1,r0 /* can't let setjmp() return zero! */ 1: +#ifdef PTR_DEMANGLE + mov.l @r4+, r2 + PTR_DEMANGLE (r2) + lds r2, pr +#else + lds.l @r4+, pr +#endif rts ldc.l @r4+, gbr END (__longjmp) diff --git a/sysdeps/sh/sh3/setjmp.S b/sysdeps/sh/sh3/setjmp.S index 819543a08c..f60ca874cf 100644 --- a/sysdeps/sh/sh3/setjmp.S +++ b/sysdeps/sh/sh3/setjmp.S @@ -1,5 +1,5 @@ /* setjmp for SH3. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -26,7 +26,13 @@ ENTRY (__sigsetjmp) /* Save registers */ add #(JB_SIZE - 4 * 5), r4 stc.l gbr, @-r4 +#ifdef PTR_MANGLE + sts pr, r2 + PTR_MANGLE (r2) + mov.l r2, @-r4 +#else sts.l pr, @-r4 +#endif mov.l r15, @-r4 mov.l r14, @-r4 mov.l r13, @-r4 @@ -36,8 +42,13 @@ ENTRY (__sigsetjmp) mov.l r9, @-r4 mov.l r8, @-r4 +#if defined NOT_IN_libc && defined IS_IN_rtld + /* In ld.so we never save the signal mask. */ + rts + mov #0, r0 +#else /* Make a tail call to __sigjmp_save; it takes the same args. */ -#ifdef SHARED +# ifdef SHARED mov.l 1f, r1 mova 1f, r0 bra 2f @@ -53,12 +64,13 @@ ENTRY (__sigsetjmp) .align 2 .L1: .long C_SYMBOL_NAME(__sigjmp_save@GOT) -#else +# else mov.l .L1, r1 jmp @r1 nop .align 2 .L1: .long C_SYMBOL_NAME(__sigjmp_save) +# endif #endif END (__sigsetjmp) diff --git a/sysdeps/sh/sh4/__longjmp.S b/sysdeps/sh/sh4/__longjmp.S index 7cd83bfcc4..cc525952f7 100644 --- a/sysdeps/sh/sh4/__longjmp.S +++ b/sysdeps/sh/sh4/__longjmp.S @@ -1,5 +1,5 @@ /* longjmp for SH. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -32,13 +32,19 @@ ENTRY (__longjmp) mov.l @r4+, r12 mov.l @r4+, r13 mov.l @r4+, r14 - mov.l @r4+, r15 mov r5, r0 /* get the return value in place */ tst r0, r0 bf.s 1f - lds.l @r4+, pr + mov.l @r4+, r15 mov #1,r0 /* can't let setjmp() return zero! */ 1: +#ifdef PTR_DEMANGLE + mov.l @r4+, r2 + PTR_DEMANGLE (r2) + lds r2, pr +#else + lds.l @r4+, pr +#endif ldc.l @r4+, gbr lds.l @r4+, fpscr fmov.s @r4+, fr12 diff --git a/sysdeps/sh/sh4/setjmp.S b/sysdeps/sh/sh4/setjmp.S index c7b0aed0e7..b8853496f1 100644 --- a/sysdeps/sh/sh4/setjmp.S +++ b/sysdeps/sh/sh4/setjmp.S @@ -1,5 +1,5 @@ /* setjmp for SH4. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -31,7 +31,13 @@ ENTRY (__sigsetjmp) fmov.s fr12, @-r4 sts.l fpscr, @-r4 stc.l gbr, @-r4 +#ifdef PTR_MANGLE + sts pr, r2 + PTR_MANGLE (r2) + mov.l r2, @-r4 +#else sts.l pr, @-r4 +#endif mov.l r15, @-r4 mov.l r14, @-r4 mov.l r13, @-r4 @@ -41,8 +47,13 @@ ENTRY (__sigsetjmp) mov.l r9, @-r4 mov.l r8, @-r4 +#if defined NOT_IN_libc && defined IS_IN_rtld + /* In ld.so we never save the signal mask. */ + rts + mov #0, r0 +#else /* Make a tail call to __sigjmp_save; it takes the same args. */ -#ifdef SHARED +# ifdef SHARED mov.l 1f, r1 mova 1f, r0 bra 2f @@ -58,12 +69,13 @@ ENTRY (__sigsetjmp) .align 2 .L1: .long C_SYMBOL_NAME(__sigjmp_save@GOT) -#else +# else mov.l .L1, r1 jmp @r1 nop .align 2 .L1: .long C_SYMBOL_NAME(__sigjmp_save) +# endif #endif END (__sigsetjmp) diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h index d56ec454f9..1a412e53db 100644 --- a/sysdeps/unix/sysv/linux/sh/sysdep.h +++ b/sysdeps/unix/sysv/linux/sh/sysdep.h @@ -1,5 +1,5 @@ -/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004 - Free Software Foundation, Inc. +/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004, + 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, , August 1995. Changed by Kaz Kojima, . @@ -24,6 +24,7 @@ /* There is some commonality. */ #include +#include /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h @@ -104,7 +105,7 @@ mova 0f,r0; \ add r0,r12; \ mov.l 1f,r0; \ - mov.l r1,@(r0,r12) + mov.l r1,@(r0,r12); \ bra .Lpseudo_end; \ mov _IMM1,r0; \ .align 2; \ @@ -359,4 +360,21 @@ #endif /* __ASSEMBLER__ */ +/* Pointer mangling support. */ +#if defined NOT_IN_libc && defined IS_IN_rtld +/* We cannot use the thread descriptor because in ld.so we use setjmp + earlier than the descriptor is initialized. Using a global variable + is too complicated here since we have no PC-relative addressing mode. */ +#else +# ifdef __ASSEMBLER__ +# define PTR_MANGLE(reg) \ + stc gbr,r1; mov.l @(POINTER_GUARD,r1),r1; xor r1,reg +# define PTR_DEMANGLE(reg) PTR_MANGLE (reg) +# else +# define PTR_MANGLE(var) \ + (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) +# define PTR_DEMANGLE(var) PTR_MANGLE (var) +# endif +#endif + #endif /* linux/sh/sysdep.h */