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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S286
1 files changed, 0 insertions, 286 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
deleted file mode 100644
index c28c34664c..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
+++ /dev/null
@@ -1,286 +0,0 @@
-/* Save current context, powerpc32 common.
-   Copyright (C) 2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston MA
-   02110-1301 USA.  */
-
-/* This is the common implementation of getcontext for powerpc32.
-   It not complete in itself should be included in to a framework that 
-   defines:
-     __CONTEXT_FUNC_NAME
-   and if appropriate:
-     __CONTEXT_ENABLE_FPRS
-     __CONTEXT_ENABLE_VRS
-   Any archecture that implements the Vector unit is assumed to also 
-   implement the floating unit.  */
-
-/* Stack frame offsets.  */
-#define _FRAME_BACKCHAIN	0
-#define _FRAME_LR_SAVE		4
-#define _FRAME_PARM_SAVE1	8
-#define _FRAME_PARM_SAVE2	12
-#define _FRAME_PARM_SAVE3	16
-#define _FRAME_PARM_SAVE4	20
-
-#ifdef __CONTEXT_ENABLE_VRS
-	.machine	"altivec"
-#endif
-ENTRY(__CONTEXT_FUNC_NAME)
-	stwu	r1,-16(r1)
-	cfi_adjust_cfa_offset (16)
-/* Insure that the _UC_REGS start on a quadword boundary.  */
-	stw	r3,_FRAME_PARM_SAVE1(r1)
-	addi	r3,r3,_UC_REG_SPACE+12
-	clrrwi  r3,r3,4
-
-/* Save the general purpose registers */
-	stw	r0,_UC_GREGS+(PT_R0*4)(r3)
-	mflr	r0
-	stw	r2,_UC_GREGS+(PT_R2*4)(r3)
-	stw	r4,_UC_GREGS+(PT_R4*4)(r3)
-/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers
-   return address.  */
-	stw	r0,_UC_GREGS+(PT_LNK*4)(r3)
-	stw	r0,_UC_GREGS+(PT_NIP*4)(r3)
-	stw	r0,_FRAME_LR_SAVE+16(r1)
-	cfi_offset (lr, _FRAME_LR_SAVE)
-	stw	r5,_UC_GREGS+(PT_R5*4)(r3)
-	stw	r6,_UC_GREGS+(PT_R6*4)(r3)
-	stw	r7,_UC_GREGS+(PT_R7*4)(r3)
-	stw	r8,_UC_GREGS+(PT_R8*4)(r3)
-	stw	r9,_UC_GREGS+(PT_R9*4)(r3)
-	stw	r10,_UC_GREGS+(PT_R10*4)(r3)
-	stw	r11,_UC_GREGS+(PT_R11*4)(r3)
-	stw	r12,_UC_GREGS+(PT_R12*4)(r3)
-	stw	r13,_UC_GREGS+(PT_R13*4)(r3)
-	stw	r14,_UC_GREGS+(PT_R14*4)(r3)
-	stw	r15,_UC_GREGS+(PT_R15*4)(r3)
-	stw	r16,_UC_GREGS+(PT_R16*4)(r3)
-	stw	r17,_UC_GREGS+(PT_R17*4)(r3)
-	stw	r18,_UC_GREGS+(PT_R18*4)(r3)
-	stw	r19,_UC_GREGS+(PT_R19*4)(r3)
-	stw	r20,_UC_GREGS+(PT_R20*4)(r3)
-	stw	r21,_UC_GREGS+(PT_R21*4)(r3)
-	stw	r22,_UC_GREGS+(PT_R22*4)(r3)
-	stw	r23,_UC_GREGS+(PT_R23*4)(r3)
-	stw	r24,_UC_GREGS+(PT_R24*4)(r3)
-	stw	r25,_UC_GREGS+(PT_R25*4)(r3)
-	stw	r26,_UC_GREGS+(PT_R26*4)(r3)
-	stw	r27,_UC_GREGS+(PT_R27*4)(r3)
-	stw	r28,_UC_GREGS+(PT_R28*4)(r3)
-	stw	r29,_UC_GREGS+(PT_R29*4)(r3)
-	stw	r30,_UC_GREGS+(PT_R30*4)(r3)
-	stw	r31,_UC_GREGS+(PT_R31*4)(r3)
-/* Save the value of R1.  We had to push the stack before we
-   had the address of uc_reg_space.  So compute the address of
-   the callers stack pointer and save it as R1.  */
-	addi	r8,r1,16
-	li	r0,0
-/* Save the count, exception and condition registers.  */
-	mfctr	r11
-	mfxer	r10
-	mfcr	r9
-	stw	r8,_UC_GREGS+(PT_R1*4)(r3)
-	stw	r11,_UC_GREGS+(PT_CTR*4)(r3)
-	stw	r10,_UC_GREGS+(PT_XER*4)(r3)
-	stw	r9,_UC_GREGS+(PT_CCR*4)(r3)
-/* Set the return value of getcontext to "success".  R3 is the only
-   register whose value is not preserved in the saved context.  */
-	stw	r0,_UC_GREGS+(PT_R3*4)(r3)
-
-/* Zero fill fields that can't be set in user state. */
-	stw	r0,_UC_GREGS+(PT_MSR*4)(r3)
-	stw	r0,_UC_GREGS+(PT_MQ*4)(r3)
-
-#ifdef __CONTEXT_ENABLE_FPRS
-/* Save the floating-point registers */
-	stfd	fp0,_UC_FREGS+(0*8)(r3)
-	stfd	fp1,_UC_FREGS+(1*8)(r3)
-	stfd	fp2,_UC_FREGS+(2*8)(r3)
-	stfd	fp3,_UC_FREGS+(3*8)(r3)
-	stfd	fp4,_UC_FREGS+(4*8)(r3)
-	stfd	fp5,_UC_FREGS+(5*8)(r3)
-	stfd	fp6,_UC_FREGS+(6*8)(r3)
-	stfd	fp7,_UC_FREGS+(7*8)(r3)
-	stfd	fp8,_UC_FREGS+(8*8)(r3)
-	stfd	fp9,_UC_FREGS+(9*8)(r3)
-	stfd	fp10,_UC_FREGS+(10*8)(r3)
-	stfd	fp11,_UC_FREGS+(11*8)(r3)
-	stfd	fp12,_UC_FREGS+(12*8)(r3)
-	stfd	fp13,_UC_FREGS+(13*8)(r3)
-	stfd	fp14,_UC_FREGS+(14*8)(r3)
-	stfd	fp15,_UC_FREGS+(15*8)(r3)
-	stfd	fp16,_UC_FREGS+(16*8)(r3)
-	stfd	fp17,_UC_FREGS+(17*8)(r3)
-	stfd	fp18,_UC_FREGS+(18*8)(r3)
-	stfd	fp19,_UC_FREGS+(19*8)(r3)
-	stfd	fp20,_UC_FREGS+(20*8)(r3)
-	stfd	fp21,_UC_FREGS+(21*8)(r3)
-	stfd	fp22,_UC_FREGS+(22*8)(r3)
-	stfd	fp23,_UC_FREGS+(23*8)(r3)
-	stfd	fp24,_UC_FREGS+(24*8)(r3)
-	stfd	fp25,_UC_FREGS+(25*8)(r3)
-	stfd	fp26,_UC_FREGS+(26*8)(r3)
-	stfd	fp27,_UC_FREGS+(27*8)(r3)
-	stfd	fp28,_UC_FREGS+(28*8)(r3)
-	stfd	fp29,_UC_FREGS+(29*8)(r3)
-	mffs	fp0
-	stfd	fp30,_UC_FREGS+(30*8)(r3)
-	stfd	fp31,_UC_FREGS+(31*8)(r3)
-	stfd	fp0,_UC_FREGS+(32*8)(r3)
-
-# ifdef __CONTEXT_ENABLE_VRS
-#  ifdef PIC
-	mflr    r8
-#   ifdef HAVE_ASM_PPC_REL16
-	bcl	20,31,1f
-1:	mflr	r7
-	addis	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
-	addi	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
-#   else
-	bl      _GLOBAL_OFFSET_TABLE_@local-4
-	mflr    r7
-#   endif
-#   ifdef SHARED
-	lwz     r7,_rtld_global_ro@got(r7)
-	mtlr    r8
-	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
-#   else
-	lwz     r7,_dl_hwcap@got(r7)
-	mtlr    r8
-	lwz     r7,0(r7)
-#   endif
-#  else
-	lis	r7,_dl_hwcap@ha
-	lwz     r7,_dl_hwcap@l(r7)
-#  endif
-	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
-
-	la	r10,(_UC_VREGS)(r3)
-	la	r9,(_UC_VREGS+16)(r3)
-	
-	beq	2f	/* L(no_vec) */
-/* address of the combined VSCR/VSAVE quadword.  */	
-	la	r8,(_UC_VREGS+512)(r3)
-
-/* Save the vector registers */
-	stvx  v0,0,r10
-	stvx  v1,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-/* We need to get the Vector Status and Control Register early to avoid
-   store order problems later with the VSAVE register that shares the
-   same quadword.  */
-	mfvscr	v0
-
-	stvx  v2,0,r10
-	stvx  v3,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx	v0,0,r8
-	
-	stvx  v4,0,r10
-	stvx  v5,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v6,0,r10
-	stvx  v7,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v8,0,r10
-	stvx  v9,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v10,0,r10
-	stvx  v11,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v12,0,r10
-	stvx  v13,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v14,0,r10
-	stvx  v15,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v16,0,r10
-	stvx  v17,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v18,0,r10
-	stvx  v19,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v20,0,r10
-	stvx  v21,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v22,0,r10
-	stvx  v23,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v24,0,r10
-	stvx  v25,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v26,0,r10
-	stvx  v27,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v28,0,r10
-	stvx  v29,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	mfspr	r0,VRSAVE
-	stvx  v30,0,r10
-	stvx  v31,0,r9
-
- 	stw	r0,0(r8)
-
-2: /* L(no_vec): */
-# endif
-#endif
-/* We need to set up parms and call sigprocmask which will clobber
-   volatile registers. So before the call we need to retrieve the
-   original ucontext ptr (parm1) from stack and store the UC_REGS_PTR
-   (current R3).  */
-	lwz	r12,_FRAME_PARM_SAVE1(r1)
-	li	r4,0
-	stw	r3,_UC_REGS_PTR(r12)
-	addi	r5,r12,_UC_SIGMASK
-	li	r3,SIG_BLOCK
-	bl	__sigprocmask@local
-
-	lwz	r0,_FRAME_LR_SAVE+16(r1)
-	addi	r1,r1,16
-	mtlr	r0
-	blr
-END(__CONTEXT_FUNC_NAME)
-