+2013-12-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * sysdeps/powerpc/powerpc64/sysdep.h (FRAME_MIN_SIZE): Define.
+ (FRAME_MIN_SIZE_PARM): Likewise.
+ (FRAME_BACKCHAIN): Likewise.
+ (FRAME_CR_SAVE): Likewise.
+ (FRAME_LR_SAVE): Likewise.
+ (FRAME_TOC_SAVE): Likewise.
+ (FRAME_PARM_SAVE): Likewise.
+ (FRAME_PARM1_SAVE, FRAME_PARM2_SAVE, FRAME_PARM3_SAVE,
+ FRAME_PARM4_SAVE, FRAME_PARM5_SAVE, FRAME_PARM6_SAVE,
+ FRAME_PARM7_SAVE, FRAME_PARM8_SAVE, FRAME_PARM9_SAVE): Likewise.
+ (call_mcount_parm_offset): New macro.
+ (SAVE_ARG, REST_ARG, CFI_SAVE_ARG): Use it.
+ (PROF): Use symbolic stack frame offsets.
+ (TAIL_CALL_SYSCALL_ERROR): Likewise.
+ * sysdeps/powerpc/powerpc64/dl-trampoline.S (FRAME_SIZE, INT_PARMS):
+ Redefine in terms of FRAME_MIN_SIZE.
+ (_dl_runtime_resolve): Use symbolic stack frame offsets.
+ (_dl_profile_resolve): Likewise. Update comment.
+ * sysdeps/powerpc/powerpc64/setjmp-common.S (__GI__setjmp): Use
+ symbols stack frame offsets.
+ (__sigsetjmp): Likewise.
+ * sysdeps/powerpc/powerpc64/__longjmp-common.S (__longjmp): Likewise.
+ * sysdeps/powerpc/powerpc64/ppc-mcount.S (_mcount): Likewise.
+ * sysdeps/powerpc/powerpc64/crti.S (_init, _fini): Likewise.
+ * sysdeps/powerpc/powerpc64/crtn.S (_init, _fini): Likewise.
+
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym
+ (FRAME_BACKCHAIN): Remove.
+ (FRAME_CR_SAVE): Likewise.
+ (FRAME_LR_SAVE): Likewise.
+ (FRAME_COMPILER_DW): Likewise.
+ (FRAME_LINKER_DW): Likewise.
+ (FRAME_TOC_SAVE): Likewise.
+ (FRAME_PARM_SAVE): Likewise.
+ (FRAME_PARM1_SAVE, FRAME_PARM2_SAVE, FRAME_PARM3_SAVE,
+ FRAME_PARM4_SAVE, FRAME_PARM5_SAVE, FRAME_PARM6_SAVE,
+ FRAME_PARM7_SAVE, FRAME_PARM8_SAVE, FRAME_PARM9_SAVE): Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S
+ (CHECK_SP): Use symbolic stack frame offsets.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S (__brk): Use "red
+ zone" instead of caller's parameter save area for temp storage.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S (__clone):
+ Likewise. Also, use symbolic stack frame offsets.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S (FRAMESIZE,
+ stackblock): Redefine for _CALL_ELF == 2 to save parameters into
+ our own stack frame instead of the caller's.
+ (__socket): Use symbolic stack frame offsets.
+
2013-12-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Alan Modra <amodra@gmail.com>
+2013-12-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
+ (CANCEL_FRAMESIZE, CANCEL_PARM_SAVE): New macros to save parameters
+ into our own stack frame instead of the caller's.
+ (PSEUDO): Use them. Use symbolic stack frame offsets.
+ (DOCARGS_1, UNDOCARGS_1): Use CANCEL_PARM_SAVE.
+ (DOCARGS_2, UNDOCARGS_2): Likewise.
+ (DOCARGS_3, UNDOCARGS_3): Likewise.
+ (DOCARGS_4, UNDOCARGS_4): Likewise.
+ (DOCARGS_5, UNDOCARGS_5): Likewise.
+ (DOCARGS_6, UNDOCARGS_6): Likewise.
+
2013-11-26 Ondřej Bílka <neleai@seznam.cz>
* sysdeps/i386/tls.h: Use __glibc_reserved instead __unused.
* sysdeps/x86_64/tls.h: Likewise.
# define DASHDASHPFX(str) __##str
# endif
+#if _CALL_ELF == 2
+#define CANCEL_FRAMESIZE (FRAME_MIN_SIZE+16+48)
+#define CANCEL_PARM_SAVE (FRAME_MIN_SIZE+16)
+#else
+#define CANCEL_FRAMESIZE (FRAME_MIN_SIZE+16)
+#define CANCEL_PARM_SAVE (CANCEL_FRAMESIZE+FRAME_PARM_SAVE)
+#endif
+
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
.section ".text"; \
PSEUDO_RET; \
.size DASHDASHPFX(syscall_name##_nocancel),.-DASHDASHPFX(syscall_name##_nocancel); \
.Lpseudo_cancel: \
- stdu 1,-128(1); \
- cfi_adjust_cfa_offset (128); \
+ stdu 1,-CANCEL_FRAMESIZE(1); \
+ cfi_adjust_cfa_offset (CANCEL_FRAMESIZE); \
mflr 9; \
- std 9,128+16(1); \
- cfi_offset (lr, 16); \
+ std 9,CANCEL_FRAMESIZE+FRAME_LR_SAVE(1); \
+ cfi_offset (lr, FRAME_LR_SAVE); \
DOCARGS_##args; /* save syscall args around CENABLE. */ \
CENABLE; \
- std 3,112(1); /* store CENABLE return value (MASK). */ \
+ std 3,FRAME_MIN_SIZE(1); /* store CENABLE return value (MASK). */ \
UNDOCARGS_##args; /* restore syscall args. */ \
DO_CALL (SYS_ify (syscall_name)); \
mfcr 0; /* save CR/R3 around CDISABLE. */ \
- std 3,120(1); \
- std 0,128+8(1); \
- cfi_offset (cr, 8); \
- ld 3,112(1); /* pass MASK to CDISABLE. */ \
+ std 3,FRAME_MIN_SIZE+8(1); \
+ std 0,CANCEL_FRAMESIZE+FRAME_CR_SAVE(1); \
+ cfi_offset (cr, FRAME_CR_SAVE); \
+ ld 3,FRAME_MIN_SIZE(1); /* pass MASK to CDISABLE. */ \
CDISABLE; \
- ld 9,128+16(1); \
- ld 0,128+8(1); /* restore CR/R3. */ \
- ld 3,120(1); \
+ ld 9,CANCEL_FRAMESIZE+FRAME_LR_SAVE(1); \
+ ld 0,CANCEL_FRAMESIZE+FRAME_CR_SAVE(1); /* restore CR/R3. */ \
+ ld 3,FRAME_MIN_SIZE+8(1); \
mtlr 9; \
mtcr 0; \
- addi 1,1,128; \
- cfi_adjust_cfa_offset (-128); \
+ addi 1,1,CANCEL_FRAMESIZE; \
+ cfi_adjust_cfa_offset (-CANCEL_FRAMESIZE); \
cfi_restore (lr); \
cfi_restore (cr)
# define DOCARGS_0
# define UNDOCARGS_0
-# define DOCARGS_1 std 3,128+48(1); DOCARGS_0
-# define UNDOCARGS_1 ld 3,128+48(1); UNDOCARGS_0
+# define DOCARGS_1 std 3,CANCEL_PARM_SAVE(1); DOCARGS_0
+# define UNDOCARGS_1 ld 3,CANCEL_PARM_SAVE(1); UNDOCARGS_0
-# define DOCARGS_2 std 4,128+56(1); DOCARGS_1
-# define UNDOCARGS_2 ld 4,128+56(1); UNDOCARGS_1
+# define DOCARGS_2 std 4,CANCEL_PARM_SAVE+8(1); DOCARGS_1
+# define UNDOCARGS_2 ld 4,CANCEL_PARM_SAVE+8(1); UNDOCARGS_1
-# define DOCARGS_3 std 5,128+64(1); DOCARGS_2
-# define UNDOCARGS_3 ld 5,128+64(1); UNDOCARGS_2
+# define DOCARGS_3 std 5,CANCEL_PARM_SAVE+16(1); DOCARGS_2
+# define UNDOCARGS_3 ld 5,CANCEL_PARM_SAVE+16(1); UNDOCARGS_2
-# define DOCARGS_4 std 6,128+72(1); DOCARGS_3
-# define UNDOCARGS_4 ld 6,128+72(1); UNDOCARGS_3
+# define DOCARGS_4 std 6,CANCEL_PARM_SAVE+24(1); DOCARGS_3
+# define UNDOCARGS_4 ld 6,CANCEL_PARM_SAVE+24(1); UNDOCARGS_3
-# define DOCARGS_5 std 7,128+80(1); DOCARGS_4
-# define UNDOCARGS_5 ld 7,128+80(1); UNDOCARGS_4
+# define DOCARGS_5 std 7,CANCEL_PARM_SAVE+32(1); DOCARGS_4
+# define UNDOCARGS_5 ld 7,CANCEL_PARM_SAVE+32(1); UNDOCARGS_4
-# define DOCARGS_6 std 8,128+88(1); DOCARGS_5
-# define UNDOCARGS_6 ld 8,128+88(1); UNDOCARGS_5
+# define DOCARGS_6 std 8,CANCEL_PARM_SAVE+40(1); DOCARGS_5
+# define UNDOCARGS_6 ld 8,CANCEL_PARM_SAVE+40(1); UNDOCARGS_5
# ifdef IS_IN_libpthread
# ifdef SHARED
ld r14,((JB_GPRS+0)*8)(r3)
lfd fp14,((JB_FPRS+0)*8)(r3)
#if defined SHARED && !defined IS_IN_rtld
- std r2,40(r1) /* Restore the callers TOC save area. */
+ std r2,FRAME_TOC_SAVE(r1) /* Restore the callers TOC save area. */
#endif
ld r15,((JB_GPRS+1)*8)(r3)
lfd fp15,((JB_FPRS+1)*8)(r3)
PTR_DEMANGLE2 (r0, r25)
#endif
mtlr r0
-/* std r2,40(r1) Restore the TOC save area. */
+/* std r2,FRAME_TOC_SAVE(r1) Restore the TOC save area. */
ld r21,((JB_GPRS+7)*8)(r3)
lfd fp21,((JB_FPRS+7)*8)(r3)
ld r22,((JB_GPRS+8)*8)(r3)
BODY_LABEL (_init):
LOCALENTRY(_init)
mflr 0
- std 0, 16(r1)
- stdu r1, -112(r1)
+ std 0, FRAME_LR_SAVE(r1)
+ stdu r1, -FRAME_MIN_SIZE_PARM(r1)
#if PREINIT_FUNCTION_WEAK
addis r9, r2, .LC0@toc@ha
ld r0, .LC0@toc@l(r9)
BODY_LABEL (_fini):
LOCALENTRY(_fini)
mflr 0
- std 0, 16(r1)
- stdu r1, -112(r1)
+ std 0, FRAME_LR_SAVE(r1)
+ stdu r1, -FRAME_MIN_SIZE_PARM(r1)
#include <sysdep.h>
.section .init,"ax",@progbits
- addi r1, r1, 112
- ld r0, 16(r1)
+ addi r1, r1, FRAME_MIN_SIZE_PARM
+ ld r0, FRAME_LR_SAVE(r1)
mtlr r0
blr
.section .fini,"ax",@progbits
- addi r1, r1, 112
- ld r0, 16(r1)
+ addi r1, r1, FRAME_MIN_SIZE_PARM
+ ld r0, FRAME_LR_SAVE(r1)
mtlr r0
blr
parm1 (r3) and the index (r0) need to be converted to an offset
(index * 24) in parm2 (r4). */
-#define FRAME_SIZE 176
+#define FRAME_SIZE (FRAME_MIN_SIZE+64)
/* We need to save the registers used to pass parameters, ie. r3 thru
r10; Use local var space rather than the parameter save area,
because gcc as of 2010/05 doesn't allocate a proper stack frame for
a function that makes no calls except for __tls_get_addr and we
might be here resolving the __tls_get_addr call. */
-#define INT_PARMS 112
+#define INT_PARMS FRAME_MIN_SIZE
EALIGN(_dl_runtime_resolve, 4, 0)
stdu r1,-FRAME_SIZE(r1)
cfi_adjust_cfa_offset (FRAME_SIZE)
mflr r0
std r8,INT_PARMS+40(r1)
/* Store the LR in the LR Save area. */
- std r0,FRAME_SIZE+16(r1)
- cfi_offset (lr, 16)
+ std r0,FRAME_SIZE+FRAME_LR_SAVE(r1)
+ cfi_offset (lr, FRAME_LR_SAVE)
mfcr r0
std r9,INT_PARMS+48(r1)
std r10,INT_PARMS+56(r1)
/* I'm almost certain we don't have to save cr... be safe. */
- std r0,FRAME_SIZE+8(r1)
+ std r0,FRAME_SIZE+FRAME_CR_SAVE(r1)
bl JUMPTARGET(_dl_fixup)
#ifndef SHARED
nop
#endif
/* Put the registers back. */
- ld r0,FRAME_SIZE+16(r1)
+ ld r0,FRAME_SIZE+FRAME_LR_SAVE(r1)
ld r10,INT_PARMS+56(r1)
ld r9,INT_PARMS+48(r1)
ld r8,INT_PARMS+40(r1)
ld r7,INT_PARMS+32(r1)
mtlr r0
- ld r0,FRAME_SIZE+8(r1)
+ ld r0,FRAME_SIZE+FRAME_CR_SAVE(r1)
ld r6,INT_PARMS+24(r1)
ld r5,INT_PARMS+16(r1)
ld r4,INT_PARMS+8(r1)
ld r3,INT_PARMS+0(r1)
#if _CALL_ELF == 2
/* Restore the caller's TOC in case we jump to a local entry point. */
- ld r2,FRAME_SIZE+40(r1)
+ ld r2,FRAME_SIZE+FRAME_TOC_SAVE(r1)
#endif
/* Unwind the stack frame, and jump. */
addi r1,r1,FRAME_SIZE
#undef INT_PARMS
/* Stack layout:
+ (Note: some of these are not required for the ELFv2 ABI.)
+592 previous backchain
+584 spill_r31
+576 spill_r30
+64 parm3
+56 parm2
+48 parm1
- * Parameter save area, Allocated by the call, at least 8 double words
- +40 TOC save area
- +32 Reserved for linker
- +24 Reserved for compiler
+ * Parameter save area
+ * (v1 ABI: Allocated by the call, at least 8 double words)
+ +40 v1 ABI: TOC save area
+ +32 v1 ABI: Reserved for linker
+ +24 v1 ABI: Reserved for compiler / v2 ABI: TOC save area
+16 LR save area
+8 CR save area
r1+0 stack back chain
/* Store the LR in the LR Save area of the previous frame. */
/* XXX Do we have to do this? */
la r8,FRAME_SIZE(r1)
- std r5,FRAME_SIZE+16(r1)
- cfi_offset (lr, 16)
+ std r5,FRAME_SIZE+FRAME_LR_SAVE(r1)
+ cfi_offset (lr, FRAME_LR_SAVE)
std r5,CALLING_LR(r1)
mfcr r0
std r9,INT_PARMS+48(r1)
std r10,INT_PARMS+56(r1)
std r8,CALLING_SP(r1)
/* I'm almost certain we don't have to save cr... be safe. */
- std r0,FRAME_SIZE+8(r1)
+ std r0,FRAME_SIZE+FRAME_CR_SAVE(r1)
ld r12,.LC__dl_hwcap@toc(r2)
#ifdef SHARED
/* Load _rtld_local_ro._dl_hwcap. */
lvx v12,r11,r10
lvx v13,r11,r9
L(restoreFXR):
- ld r0,FRAME_SIZE+16(r1)
+ ld r0,FRAME_SIZE+FRAME_LR_SAVE(r1)
ld r10,INT_PARMS+56(r1)
ld r9,INT_PARMS+48(r1)
ld r8,INT_PARMS+40(r1)
ld r7,INT_PARMS+32(r1)
mtlr r0
- ld r0,FRAME_SIZE+8(r1)
+ ld r0,FRAME_SIZE+FRAME_CR_SAVE(r1)
ld r6,INT_PARMS+24(r1)
ld r5,INT_PARMS+16(r1)
ld r4,INT_PARMS+8(r1)
ld r3,INT_PARMS+0(r1)
#if _CALL_ELF == 2
/* Restore the caller's TOC in case we jump to a local entry point. */
- ld r2,FRAME_SIZE+40(r1)
+ ld r2,FRAME_SIZE+FRAME_TOC_SAVE(r1)
#endif
/* Load the floating point registers. */
lfd fp1,FPR_PARMS+0(r1)
lvx v12,r11,r10
lvx v13,r11,r9
L(restoreFXR2):
- ld r0,FRAME_SIZE+16(r1)
+ ld r0,FRAME_SIZE+FRAME_LR_SAVE(r1)
ld r10,INT_PARMS+56(r1)
ld r9,INT_PARMS+48(r1)
ld r8,INT_PARMS+40(r1)
ld r7,INT_PARMS+32(r1)
mtlr r0
- ld r0,FRAME_SIZE+8(r1)
+ ld r0,FRAME_SIZE+FRAME_CR_SAVE(r1)
ld r6,INT_PARMS+24(r1)
ld r5,INT_PARMS+16(r1)
ld r4,INT_PARMS+8(r1)
mtcrf 0xFF,r0
/* Prepare for calling the function returned by fixup. */
- std r2,40(r1)
+ std r2,FRAME_TOC_SAVE(r1)
PPC64_LOAD_FUNCPTR r3
ld r3,INT_PARMS+0(r1)
/* Load the floating point registers. */
lfd fp13,FPR_PARMS+96(r1)
/* Call the target function. */
bctrl
- ld r2,40(r1)
+ ld r2,FRAME_TOC_SAVE(r1)
lwz r12,VR_VRSAVE(r1)
/* But return here and store the return values. */
std r3,INT_RTN(r1)
beq L(pltexitreturn)
lvx v2,0,r10
L(pltexitreturn):
- ld r0,FRAME_SIZE+16(r1)
+ ld r0,FRAME_SIZE+FRAME_LR_SAVE(r1)
ld r31,584(r1)
ld r30,576(r1)
mtlr r0
ENTRY(_mcount)
mflr r4
ld r11, 0(r1)
- stdu r1,-112(r1)
- cfi_adjust_cfa_offset (112)
- std r4, 128(r1)
- cfi_offset (lr, 16)
- ld r3, 16(r11)
+ stdu r1,-FRAME_MIN_SIZE(r1)
+ cfi_adjust_cfa_offset (FRAME_MIN_SIZE)
+ std r4, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1)
+ cfi_offset (lr, FRAME_LR_SAVE)
+ ld r3, FRAME_LR_SAVE(r11)
bl JUMPTARGET(__mcount_internal)
nop
- ld r0, 128(r1)
+ ld r0, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1)
mtlr r0
- addi r1,r1,112
+ addi r1,r1,FRAME_MIN_SIZE
blr
END(_mcount)
bugz #269. __GI__setjmp is used in csu/libc-start.c when
HAVE_CLEANUP_JMP_BUF is defined. */
ENTRY (__GI__setjmp)
- std r2,40(r1) /* Save the callers TOC in the save area. */
+ std r2,FRAME_TOC_SAVE(r1) /* Save the callers TOC in the save area. */
CALL_MCOUNT 1
li r4,0 /* Set second argument to 0. */
b JUMPTARGET (GLUE(__sigsetjmp,_ent))
#endif
mflr r0
#if defined SHARED && !defined IS_IN_rtld
- ld r5,40(r1) /* Retrieve the callers TOC. */
+ ld r5,FRAME_TOC_SAVE(r1) /* Retrieve the callers TOC. */
std r5,(JB_GPR2*8)(3)
#else
std r2,(JB_GPR2*8)(3)
b JUMPTARGET (__sigjmp_save)
#else
mflr r0
- std r0,16(r1)
- stdu r1,-112(r1)
- cfi_adjust_cfa_offset(112)
- cfi_offset(lr,16)
+ std r0,FRAME_LR_SAVE(r1)
+ stdu r1,-FRAME_MIN_SIZE(r1)
+ cfi_adjust_cfa_offset(FRAME_MIN_SIZE)
+ cfi_offset(lr,FRAME_LR_SAVE)
bl JUMPTARGET (__sigjmp_save)
nop
- ld r0,112+16(r1)
- addi r1,r1,112
+ ld r0,FRAME_MIN_SIZE+FRAME_LR_SAVE(r1)
+ addi r1,r1,FRAME_MIN_SIZE
mtlr r0
blr
#endif
#ifdef __ASSEMBLER__
+/* Stack frame offsets. */
+#if _CALL_ELF != 2
+#define FRAME_MIN_SIZE 112
+#define FRAME_MIN_SIZE_PARM 112
+#define FRAME_BACKCHAIN 0
+#define FRAME_CR_SAVE 8
+#define FRAME_LR_SAVE 16
+#define FRAME_TOC_SAVE 40
+#define FRAME_PARM_SAVE 48
+#define FRAME_PARM1_SAVE 48
+#define FRAME_PARM2_SAVE 56
+#define FRAME_PARM3_SAVE 64
+#define FRAME_PARM4_SAVE 72
+#define FRAME_PARM5_SAVE 80
+#define FRAME_PARM6_SAVE 88
+#define FRAME_PARM7_SAVE 96
+#define FRAME_PARM8_SAVE 104
+#define FRAME_PARM9_SAVE 112
+#else
+#define FRAME_MIN_SIZE 32
+#define FRAME_MIN_SIZE_PARM 96
+#define FRAME_BACKCHAIN 0
+#define FRAME_CR_SAVE 8
+#define FRAME_LR_SAVE 16
+#define FRAME_TOC_SAVE 24
+#define FRAME_PARM_SAVE 32
+#define FRAME_PARM1_SAVE 32
+#define FRAME_PARM2_SAVE 40
+#define FRAME_PARM3_SAVE 48
+#define FRAME_PARM4_SAVE 56
+#define FRAME_PARM5_SAVE 64
+#define FRAME_PARM6_SAVE 72
+#define FRAME_PARM7_SAVE 80
+#define FRAME_PARM8_SAVE 88
+#define FRAME_PARM9_SAVE 96
+#endif
+
/* Support macros for CALL_MCOUNT. */
+#if _CALL_ELF == 2
+#define call_mcount_parm_offset (-64)
+#else
+#define call_mcount_parm_offset FRAME_PARM_SAVE
+#endif
.macro SAVE_ARG NARG
.if \NARG
SAVE_ARG \NARG-1
- std 2+\NARG,40+8*(\NARG)(1)
+ std 2+\NARG,call_mcount_parm_offset-8+8*(\NARG)(1)
.endif
.endm
.macro REST_ARG NARG
.if \NARG
REST_ARG \NARG-1
- ld 2+\NARG,112+40+8*(\NARG)(1)
+ ld 2+\NARG,FRAME_MIN_SIZE_PARM+call_mcount_parm_offset-8+8*(\NARG)(1)
.endif
.endm
.macro CFI_SAVE_ARG NARG
.if \NARG
CFI_SAVE_ARG \NARG-1
- cfi_offset(2+\NARG,40+8*(\NARG))
+ cfi_offset(2+\NARG,call_mcount_parm_offset-8+8*(\NARG))
.endif
.endm
#ifdef PROF
mflr r0
SAVE_ARG \NARG
- std r0,16(r1)
- stdu r1,-112(r1)
- cfi_adjust_cfa_offset(112)
- cfi_offset(lr,16)
+ std r0,FRAME_LR_SAVE(r1)
+ stdu r1,-FRAME_MIN_SIZE_PARM(r1)
+ cfi_adjust_cfa_offset(FRAME_MIN_SIZE_PARM)
+ cfi_offset(lr,FRAME_LR_SAVE)
CFI_SAVE_ARG \NARG
bl JUMPTARGET (_mcount)
#ifndef SHARED
nop
#endif
- ld r0,128(r1)
+ ld r0,FRAME_MIN_SIZE_PARM+FRAME_LR_SAVE(r1)
REST_ARG \NARG
mtlr r0
- addi r1,r1,112
- cfi_adjust_cfa_offset(-112)
+ addi r1,r1,FRAME_MIN_SIZE_PARM
+ cfi_adjust_cfa_offset(-FRAME_MIN_SIZE_PARM)
cfi_restore(lr)
CFI_REST_ARG \NARG
#endif
.else; \
.Local_syscall_error: \
mflr 0; \
- std 0,16(1); \
- stdu 1,-112(1); \
- cfi_adjust_cfa_offset(112); \
- cfi_offset(lr,16); \
+ std 0,FRAME_LR_SAVE(1); \
+ stdu 1,-FRAME_MIN_SIZE(1); \
+ cfi_adjust_cfa_offset(FRAME_MIN_SIZE); \
+ cfi_offset(lr,FRAME_LR_SAVE); \
bl JUMPTARGET(__syscall_error); \
nop; \
- ld 0,112+16(1); \
- addi 1,1,112; \
- cfi_adjust_cfa_offset(-112); \
+ ld 0,FRAME_MIN_SIZE+FRAME_LR_SAVE(1); \
+ addi 1,1,FRAME_MIN_SIZE; \
+ cfi_adjust_cfa_offset(-FRAME_MIN_SIZE); \
mtlr 0; \
cfi_restore(lr); \
blr; \
cmpld reg, r1; \
bge+ .Lok; \
mflr r0; \
- std r0,16(r1); \
+ std r0,FRAME_LR_SAVE(r1); \
mr r31,r3; \
mr r30,r4; \
- stdu r1,-144(r1); \
+ stdu r1,-FRAME_MIN_SIZE-32(r1); \
cfi_remember_state; \
- cfi_adjust_cfa_offset (144); \
- cfi_offset (lr, 16); \
+ cfi_adjust_cfa_offset (FRAME_MIN_SIZE+32); \
+ cfi_offset (lr, FRAME_LR_SAVE); \
li r3,0; \
- addi r4,r1,112; \
+ addi r4,r1,FRAME_MIN_SIZE; \
li r0,__NR_sigaltstack; \
sc; \
/* Without working sigaltstack we cannot perform the test. */ \
bso .Lok2; \
- lwz r0,112+8(r1); \
+ lwz r0,FRAME_MIN_SIZE+8(r1); \
andi. r4,r0,1; \
beq .Lfail; \
- ld r0,112+16(r1); \
- ld r4,112(r1); \
+ ld r0,FRAME_MIN_SIZE+16(r1); \
+ ld r4,FRAME_MIN_SIZE(r1); \
add r4,r4,r0; \
sub r3,r3,reg; \
cmpld r3,r0; \
ENTRY (__brk)
CALL_MCOUNT 1
- std r3,48(r1)
+ std r3,-8(r1)
DO_CALL(SYS_ify(brk))
- ld r6,48(r1)
+ ld r6,-8(r1)
ld r5,.LC__curbrk@toc(r2)
std r3,0(r5)
cmpld r6,r3
cror cr0*4+eq,cr1*4+eq,cr0*4+eq
beq- cr0,L(badargs)
- /* Save some regs in parm save area. */
+ /* Save some regs in the "red zone". */
#ifdef RESET_PID
- std r29,48(r1)
+ std r29,-24(r1)
#endif
- std r30,56(r1)
- std r31,64(r1)
+ std r30,-16(r1)
+ std r31,-8(r1)
#ifdef RESET_PID
- cfi_offset(r29,48)
+ cfi_offset(r29,-24)
#endif
- cfi_offset(r30,56)
- cfi_offset(r31,64)
+ cfi_offset(r30,-16)
+ cfi_offset(r31,-8)
/* Set up stack frame for child. */
clrrdi r4,r4,4
li r0,0
- stdu r0,-112(r4) /* min stack frame is 112 bytes per ABI */
+ stdu r0,-FRAME_MIN_SIZE_PARM(r4)
/* Save fn, args, stack across syscall. */
mr r30,r3 /* Function in r30. */
L(oldpid):
#endif
- std r2,40(r1)
+ std r2,FRAME_TOC_SAVE(r1)
/* Call procedure. */
PPC64_LOAD_FUNCPTR r30
mr r3,r31
bctrl
- ld r2,40(r1)
+ ld r2,FRAME_TOC_SAVE(r1)
/* Call _exit with result from procedure. */
#ifdef SHARED
b JUMPTARGET(__GI__exit)
L(parent):
/* Parent. Restore registers & return. */
#ifdef RESET_PID
- cfi_offset(r29,48)
+ cfi_offset(r29,-24)
#endif
- cfi_offset(r30,56)
- cfi_offset(r31,64)
+ cfi_offset(r30,-16)
+ cfi_offset(r31,-8)
#ifdef RESET_PID
- ld r29,48(r1)
+ ld r29,-24(r1)
#endif
- ld r30,56(r1)
- ld r31,64(r1)
+ ld r30,-16(r1)
+ ld r31,-8(r1)
#ifdef RESET_PID
cfi_restore(r29)
#endif
# endif
#endif
-#define FRAMESIZE 128
-#define stackblock FRAMESIZE+48 /* offset to parm save area. */
+#if _CALL_ELF == 2
+#define FRAMESIZE (FRAME_MIN_SIZE+16+64)
+#define stackblock (FRAME_MIN_SIZE+16)
+#else
+#define FRAMESIZE (FRAME_MIN_SIZE+16)
+#define stackblock (FRAMESIZE+FRAME_PARM_SAVE) /* offset to parm save area. */
+#endif
.text
ENTRY(__socket)
.Lsocket_cancel:
cfi_adjust_cfa_offset(FRAMESIZE)
mflr r9
- std r9,FRAMESIZE+16(r1)
- cfi_offset (lr, 16)
+ std r9,FRAMESIZE+FRAME_LR_SAVE(r1)
+ cfi_offset (lr, FRAME_LR_SAVE)
CENABLE
- std r3,120(r1)
+ std r3,FRAME_MIN_SIZE+8(r1)
li r3,P(SOCKOP_,socket)
addi r4,r1,stackblock
DO_CALL(SYS_ify(socketcall))
mfcr r0
- std r3,112(r1)
- std r0,FRAMESIZE+8(r1)
- cfi_offset (cr, 8)
- ld r3,120(r1)
+ std r3,FRAME_MIN_SIZE(r1)
+ std r0,FRAMESIZE+FRAME_CR_SAVE(r1)
+ cfi_offset (cr, FRAME_CR_SAVE)
+ ld r3,FRAME_MIN_SIZE+8(r1)
CDISABLE
- ld r4,FRAMESIZE+16(r1)
- ld r0,FRAMESIZE+8(r1)
- ld r3,112(r1)
+ ld r4,FRAMESIZE+FRAME_LR_SAVE(r1)
+ ld r0,FRAMESIZE+FRAME_CR_SAVE(r1)
+ ld r3,FRAME_MIN_SIZE(r1)
mtlr r4
mtcr r0
addi r1,r1,FRAMESIZE
SIG_SETMASK
--- Offsets of the fields in the powerpc64 ABI stack frame.
--- XXX Do these correspond to some struct?
-
-FRAME_BACKCHAIN 0
-FRAME_CR_SAVE 8
-FRAME_LR_SAVE 16
-FRAME_COMPILER_DW 24
-FRAME_LINKER_DW 32
-FRAME_TOC_SAVE 40
-FRAME_PARM_SAVE 48
-FRAME_PARM1_SAVE 48
-FRAME_PARM2_SAVE 56
-FRAME_PARM3_SAVE 64
-FRAME_PARM4_SAVE 72
-FRAME_PARM5_SAVE 80
-FRAME_PARM6_SAVE 88
-FRAME_PARM7_SAVE 96
-FRAME_PARM8_SAVE 104
-FRAME_PARM9_SAVE 112
-
-
-- Offsets of the fields in the ucontext_t structure.
#define ucontext(member) offsetof (ucontext_t, member)
#define mcontext(member) ucontext (uc_mcontext.member)
projects / thirdparty / glibc.git / commitdiff
