diff options
Diffstat (limited to 'sysdeps/powerpc')
| -rw-r--r-- | sysdeps/powerpc/bits/setjmp.h | 6 | ||||
| -rw-r--r-- | sysdeps/powerpc/elf/libc-start.c | 99 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/__longjmp-common.S | 1 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/dl-start.S | 3 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S | 6 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/setjmp-common.S | 17 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/hp-timing.h | 82 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/setjmp-common.S | 9 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/__longjmp-common.S | 5 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/setjmp-common.S | 18 |
10 files changed, 131 insertions, 115 deletions
diff --git a/sysdeps/powerpc/bits/setjmp.h b/sysdeps/powerpc/bits/setjmp.h index 3134916a51..6b35fb440b 100644 --- a/sysdeps/powerpc/bits/setjmp.h +++ b/sysdeps/powerpc/bits/setjmp.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 2000, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2000, 2003, 2004, 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 @@ -74,7 +74,7 @@ typedef long int __jmp_buf[64 + (12 * 4)] __attribute__ ((__aligned__ (16))); /* Test if longjmp to JMPBUF would unwind the frame containing a local variable at ADDRESS. */ -#define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((void *) (address) < (void *) (jmpbuf)[JB_GPR1]) +#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \ + ((void *) (address) < (void *) demangle ((jmpbuf)[JB_GPR1])) #endif /* bits/setjmp.h */ diff --git a/sysdeps/powerpc/elf/libc-start.c b/sysdeps/powerpc/elf/libc-start.c deleted file mode 100644 index 8a60af8d71..0000000000 --- a/sysdeps/powerpc/elf/libc-start.c +++ /dev/null @@ -1,99 +0,0 @@ -/* Copyright (C) 1998,2000-2004,2005 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <stdlib.h> -#include <unistd.h> -#include <ldsodefs.h> -#include <bp-start.h> -#include <bp-sym.h> - -extern int __cache_line_size; -weak_extern (__cache_line_size) - -/* The main work is done in the generic function. */ -#define LIBC_START_MAIN generic_start_main -#define LIBC_START_DISABLE_INLINE -#define LIBC_START_MAIN_AUXVEC_ARG -#define MAIN_AUXVEC_ARG -#include <csu/libc-start.c> - - -struct startup_info -{ - void *__unbounded sda_base; - int (*main) (int, char **, char **, void *); - int (*init) (int, char **, char **, void *); - void (*fini) (void); -}; - - -int -/* GKM FIXME: GCC: this should get __BP_ prefix by virtue of the - BPs in the arglist of startup_info.main and startup_info.init. */ -BP_SYM (__libc_start_main) (int argc, char *__unbounded *__unbounded ubp_av, - char *__unbounded *__unbounded ubp_ev, - ElfW(auxv_t) *__unbounded auxvec, - void (*rtld_fini) (void), - struct startup_info *__unbounded stinfo, - char *__unbounded *__unbounded stack_on_entry) -{ -#if __BOUNDED_POINTERS__ - char **argv; -#else -# define argv ubp_av -#endif - - /* the PPC SVR4 ABI says that the top thing on the stack will - be a NULL pointer, so if not we assume that we're being called - as a statically-linked program by Linux... */ - if (*stack_on_entry != NULL) - { - char *__unbounded *__unbounded temp; - /* ...in which case, we have argc as the top thing on the - stack, followed by argv (NULL-terminated), envp (likewise), - and the auxilary vector. */ - /* 32/64-bit agnostic load from stack */ - argc = *(long int *__unbounded) stack_on_entry; - ubp_av = stack_on_entry + 1; - ubp_ev = ubp_av + argc + 1; -#ifdef HAVE_AUX_VECTOR - temp = ubp_ev; - while (*temp != NULL) - ++temp; - auxvec = (ElfW(auxv_t) *)++temp; -#endif - rtld_fini = NULL; - } - - /* Initialize the __cache_line_size variable from the aux vector. */ - for (ElfW(auxv_t) *av = auxvec; av->a_type != AT_NULL; ++av) - switch (av->a_type) - { - case AT_DCACHEBSIZE: - { - int *cls = & __cache_line_size; - if (cls != NULL) - *cls = av->a_un.a_val; - } - break; - } - - return generic_start_main (stinfo->main, argc, ubp_av, auxvec, - stinfo->init, stinfo->fini, rtld_fini, - stack_on_entry); -} diff --git a/sysdeps/powerpc/powerpc32/__longjmp-common.S b/sysdeps/powerpc/powerpc32/__longjmp-common.S index 80f5905208..d3f5545579 100644 --- a/sysdeps/powerpc/powerpc32/__longjmp-common.S +++ b/sysdeps/powerpc/powerpc32/__longjmp-common.S @@ -43,6 +43,7 @@ ENTRY (BP_SYM (__longjmp)) lwz r20,((JB_GPRS+6)*4)(r3) #ifdef PTR_DEMANGLE PTR_DEMANGLE (r0, r25) + PTR_DEMANGLE2 (r1, r25) #endif mtlr r0 lwz r21,((JB_GPRS+7)*4)(r3) diff --git a/sysdeps/powerpc/powerpc32/dl-start.S b/sysdeps/powerpc/powerpc32/dl-start.S index e1f7f6e24a..7403a352fa 100644 --- a/sysdeps/powerpc/powerpc32/dl-start.S +++ b/sysdeps/powerpc/powerpc32/dl-start.S @@ -1,5 +1,5 @@ /* Machine-dependent ELF startup code. PowerPC version. - Copyright (C) 1995-2000, 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 1995-2000, 2002, 2004, 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 @@ -98,6 +98,7 @@ ENTRY(_dl_start_user) Take the opportunity to clear LR, so anyone who accidentally returns from _start gets SEGV. Also clear the next few words of the stack. */ +ENTRY(_dl_main_dispatch) li r31,0 stw r31,0(r1) mtlr r31 diff --git a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S index 73cc8181f9..022d7ebbad 100644 --- a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S +++ b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S @@ -1,5 +1,5 @@ /* longjmp for PowerPC. - Copyright (C) 1995-99, 2000, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1995-99, 2000, 2003, 2004, 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 @@ -128,6 +128,10 @@ L(no_vmx): lfd fp19,((JB_FPRS+5*2)*4)(r3) lwz r20,((JB_GPRS+6)*4)(r3) lfd fp20,((JB_FPRS+6*2)*4)(r3) +#ifdef PTR_DEMANGLE + PTR_DEMANGLE (r0, r25) + PTR_DEMANGLE2 (r1, r25) +#endif mtlr r0 lwz r21,((JB_GPRS+7)*4)(r3) lfd fp21,((JB_FPRS+7*2)*4)(r3) diff --git a/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S b/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S index cf3f215f2d..3afcf66fb9 100644 --- a/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S +++ b/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S @@ -1,5 +1,5 @@ /* setjmp for PowerPC. - Copyright (C) 1995-99, 2000, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1995-2000, 2003, 2004, 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 @@ -32,10 +32,19 @@ ENTRY (BP_SYM (__sigsetjmp)) CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) +#ifdef PTR_MANGLE + mr r5,r1 + PTR_MANGLE(r5, r6) + stw r5,(JB_GPR1*4)(3) +#else stw r1,(JB_GPR1*4)(3) +#endif mflr r0 stw r14,((JB_GPRS+0)*4)(3) stfd fp14,((JB_FPRS+0*2)*4)(3) +#ifdef PTR_MANGLE + PTR_MANGLE2 (r0, r6) +#endif stw r0,(JB_LR*4)(3) stw r15,((JB_GPRS+1)*4)(3) stfd fp15,((JB_FPRS+1*2)*4)(3) @@ -95,9 +104,9 @@ ENTRY (BP_SYM (__sigsetjmp)) lwz r5,0(r5) # endif # else - lis r5,_dl_hwcap@ha - lwz r5,_dl_hwcap@l(r5) -#endif + lis r6,_dl_hwcap@ha + lwz r5,_dl_hwcap@l(r6) +# endif andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16) beq L(no_vmx) la r5,((JB_VRS)*4)(3) diff --git a/sysdeps/powerpc/powerpc32/hp-timing.h b/sysdeps/powerpc/powerpc32/hp-timing.h new file mode 100644 index 0000000000..b62b0f2138 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/hp-timing.h @@ -0,0 +1,82 @@ +/* High precision, low overhead timing functions. Linux/PPC32 version. + Copyright (C) 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _HP_TIMING_H +#define _HP_TIMING_H 1 + + +/* There are no generic definitions for the times. We could write something + using the `gettimeofday' system call where available but the overhead of + the system call might be too high. + + In case a platform supports timers in the hardware the following macros + and types must be defined: + + - HP_TIMING_AVAIL: test for availability. + + - HP_TIMING_INLINE: this macro is non-zero if the functionality is not + implemented using function calls but instead uses some inlined code + which might simply consist of a few assembler instructions. We have to + know this since we might want to use the macros here in places where we + cannot make function calls. + + - hp_timing_t: This is the type for variables used to store the time + values. + + - HP_TIMING_ZERO: clear `hp_timing_t' object. + + - HP_TIMING_NOW: place timestamp for current time in variable given as + parameter. + + - HP_TIMING_DIFF_INIT: do whatever is necessary to be able to use the + HP_TIMING_DIFF macro. + + - HP_TIMING_DIFF: compute difference between two times and store it + in a third. Source and destination might overlap. + + - HP_TIMING_ACCUM: add time difference to another variable. This might + be a bit more complicated to implement for some platforms as the + operation should be thread-safe and 64bit arithmetic on 32bit platforms + is not. + + - HP_TIMING_ACCUM_NT: this is the variant for situations where we know + there are no threads involved. + + - HP_TIMING_PRINT: write decimal representation of the timing value into + the given string. This operation need not be inline even though + HP_TIMING_INLINE is specified. + +*/ + +/* Provide dummy definitions. */ +#define HP_TIMING_AVAIL (0) +#define HP_TIMING_INLINE (0) +typedef unsigned long long int hp_timing_t; +#define HP_TIMING_ZERO(Var) +#define HP_TIMING_NOW(var) +#define HP_TIMING_DIFF_INIT() +#define HP_TIMING_DIFF(Diff, Start, End) +#define HP_TIMING_ACCUM(Sum, Diff) +#define HP_TIMING_ACCUM_NT(Sum, Diff) +#define HP_TIMING_PRINT(Buf, Len, Val) + +/* Since this implementation is not available we tell the user about it. */ +#define HP_TIMING_NONAVAIL 1 + +#endif /* hp-timing.h */ diff --git a/sysdeps/powerpc/powerpc32/setjmp-common.S b/sysdeps/powerpc/powerpc32/setjmp-common.S index 750075459c..69d36cce03 100644 --- a/sysdeps/powerpc/powerpc32/setjmp-common.S +++ b/sysdeps/powerpc/powerpc32/setjmp-common.S @@ -33,11 +33,18 @@ ENTRY (BP_SYM (__sigsetjmp)) CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) +#ifdef PTR_MANGLE + mr r5,r1 + PTR_MANGLE(r5, r10) + stw r5,(JB_GPR1*4)(3) +#else stw r1,(JB_GPR1*4)(3) +#endif mflr r0 stw r14,((JB_GPRS+0)*4)(3) #ifdef PTR_MANGLE - PTR_MANGLE (r0, r10) + PTR_MANGLE2 (r0, r10) + li r10,0 #endif stw r0,(JB_LR*4)(3) stw r15,((JB_GPRS+1)*4)(3) diff --git a/sysdeps/powerpc/powerpc64/__longjmp-common.S b/sysdeps/powerpc/powerpc64/__longjmp-common.S index 73967e0093..bf7e32446d 100644 --- a/sysdeps/powerpc/powerpc64/__longjmp-common.S +++ b/sysdeps/powerpc/powerpc64/__longjmp-common.S @@ -109,6 +109,9 @@ aligned_restore_vmx: L(no_vmx): #endif ld r1,(JB_GPR1*8)(r3) +#ifdef PTR_DEMANGLE + PTR_DEMANGLE (r1, r25) +#endif ld r2,(JB_GPR2*8)(r3) ld r0,(JB_LR*8)(r3) ld r14,((JB_GPRS+0)*8)(r3) @@ -129,7 +132,7 @@ L(no_vmx): ld r20,((JB_GPRS+6)*8)(r3) lfd fp20,((JB_FPRS+6)*8)(r3) #ifdef PTR_DEMANGLE - PTR_DEMANGLE (r0, r25) + PTR_DEMANGLE2 (r0, r25) #endif mtlr r0 /* std r2,40(r1) Restore the TOC save area. */ diff --git a/sysdeps/powerpc/powerpc64/setjmp-common.S b/sysdeps/powerpc/powerpc64/setjmp-common.S index 4098fd63f5..11ecedf2c1 100644 --- a/sysdeps/powerpc/powerpc64/setjmp-common.S +++ b/sysdeps/powerpc/powerpc64/setjmp-common.S @@ -46,7 +46,13 @@ ENTRY (BP_SYM (__sigsetjmp)) .hidden JUMPTARGET(GLUE(__sigsetjmp,_ent)) JUMPTARGET(GLUE(__sigsetjmp,_ent)): CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) +#ifdef PTR_MANGLE + mr r5, r1 + PTR_MANGLE (r5, r6) + std r5,(JB_GPR1*8)(3) +#else std r1,(JB_GPR1*8)(3) +#endif mflr r0 #if defined SHARED && !defined IS_IN_rtld ld r5,40(r1) /* Retrieve the callers TOC. */ @@ -57,7 +63,7 @@ JUMPTARGET(GLUE(__sigsetjmp,_ent)): std r14,((JB_GPRS+0)*8)(3) stfd fp14,((JB_FPRS+0)*8)(3) #ifdef PTR_MANGLE - PTR_MANGLE (r0, r10) + PTR_MANGLE2 (r0, r6) #endif std r0,(JB_LR*8)(3) std r15,((JB_GPRS+1)*8)(3) @@ -97,14 +103,14 @@ JUMPTARGET(GLUE(__sigsetjmp,_ent)): std r31,((JB_GPRS+17)*8)(3) stfd fp31,((JB_FPRS+17)*8)(3) #ifndef __NO_VMX__ - ld r5,.LC__dl_hwcap@toc(r2) + ld r6,.LC__dl_hwcap@toc(r2) # ifdef SHARED /* Load _rtld-global._dl_hwcap. */ - ld r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r5) + ld r6,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r6) # else - ld r5,0(r5) /* Load extern _dl_hwcap. */ + ld r6,0(r6) /* Load extern _dl_hwcap. */ # endif - andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16) + andis. r6,r6,(PPC_FEATURE_HAS_ALTIVEC >> 16) beq L(no_vmx) la r5,((JB_VRS)*8)(3) andi. r6,r5,0xf @@ -179,6 +185,8 @@ L(aligned_save_vmx): stvx 30,0,r5 stvx 31,0,r6 L(no_vmx): +#else + li r6,0 #endif #if defined NOT_IN_libc && defined IS_IN_rtld li r3,0 |