google3/third_party/grte/v5_src/glibc-2.27/sysdeps/powerpc/powerpc64/sysdep.h - GRTEv5 - Git at Google

 /* Assembly macros for 64-bit PowerPC.
    Copyright (C) 2002-2018 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, see
    <http://www.gnu.org/licenses/>.  */

 #include <sysdeps/powerpc/sysdep.h>

 #ifdef __ASSEMBLER__

 /* Stack frame offsets.  */
 #define FRAME_BACKCHAIN		0
 #define FRAME_CR_SAVE		8
 #define FRAME_LR_SAVE		16
 #if _CALL_ELF != 2
 #define FRAME_MIN_SIZE		112
 #define FRAME_MIN_SIZE_PARM	112
 #define FRAME_TOC_SAVE		40
 #define FRAME_PARM_SAVE		48
 #else
 #define FRAME_MIN_SIZE		32
 #define FRAME_MIN_SIZE_PARM	96
 #define FRAME_TOC_SAVE		24
 #define FRAME_PARM_SAVE		32
 #endif

 /* Support macros for CALL_MCOUNT.  */
 	.macro SAVE_ARG NARG
 	.if \NARG
 	SAVE_ARG \NARG-1
 	std	2+\NARG,-FRAME_MIN_SIZE_PARM+FRAME_PARM_SAVE-8+8*(\NARG)(1)
 	.endif
 	.endm

 	.macro REST_ARG NARG
 	.if \NARG
 	REST_ARG \NARG-1
 	ld	2+\NARG,FRAME_PARM_SAVE-8+8*(\NARG)(1)
 	.endif
 	.endm

 	.macro CFI_SAVE_ARG NARG
 	.if \NARG
 	CFI_SAVE_ARG \NARG-1
 	cfi_offset(2+\NARG,-FRAME_MIN_SIZE_PARM+FRAME_PARM_SAVE-8+8*(\NARG))
 	.endif
 	.endm

 	.macro CFI_REST_ARG NARG
 	.if \NARG
 	CFI_REST_ARG \NARG-1
 	cfi_restore(2+\NARG)
 	.endif
 	.endm

 /* If compiled for profiling, call `_mcount' at the start of each function.
    see ppc-mcount.S for more details.  */
 	.macro CALL_MCOUNT NARG
 #ifdef	PROF
 	mflr	r0
 	SAVE_ARG \NARG
 	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,FRAME_MIN_SIZE_PARM+FRAME_LR_SAVE(r1)
 	REST_ARG \NARG
 	mtlr	r0
 	addi	r1,r1,FRAME_MIN_SIZE_PARM
 	cfi_adjust_cfa_offset(-FRAME_MIN_SIZE_PARM)
 	cfi_restore(lr)
 	CFI_REST_ARG \NARG
 #endif
 	.endm

 #if _CALL_ELF != 2

 /* Macro to prepare for calling via a function pointer.  */
 	.macro PPC64_LOAD_FUNCPTR PTR
 	ld      r12,0(\PTR)
 	ld      r2,8(\PTR)
 	mtctr   r12
 	ld      r11,16(\PTR)
 	.endm

 #ifdef USE_PPC64_OVERLAPPING_OPD
 # define OPD_ENT(name)	.quad BODY_LABEL (name), .TOC.@tocbase
 #else
 # define OPD_ENT(name)	.quad BODY_LABEL (name), .TOC.@tocbase, 0
 #endif

 #define ENTRY_1(name)				\
 	.type BODY_LABEL(name),@function;	\
 	.globl name;				\
 	.section ".opd","aw";			\
 	.p2align 3;FUNC_LABEL(name):		\
 	OPD_ENT (name);				\
 	.previous

 #define FUNC_LABEL(X) X
 #define BODY_LABEL(X) .LY##X
 #define ENTRY_2(name)				\
 	.type name,@function;			\
 	ENTRY_1(name)
 #define END_2(name)				\
 	.size name,.-BODY_LABEL(name);		\
 	.size BODY_LABEL(name),.-BODY_LABEL(name)
 #define LOCALENTRY(name)

 #else /* _CALL_ELF == 2 */

 /* Macro to prepare for calling via a function pointer.  */
 	.macro PPC64_LOAD_FUNCPTR PTR
 	mr	r12,\PTR
 	mtctr   r12
 	.endm

 #define FUNC_LABEL(X) X
 #define BODY_LABEL(X) X
 #define ENTRY_2(name)				\
 	.globl name;				\
 	.type name,@function
 #define END_2(name)				\
 	.size name,.-name
 #define LOCALENTRY(name)			\
 1:      addis	r2,r12,.TOC.-1b@ha;		\
         addi	r2,r2,.TOC.-1b@l;		\
 	.localentry name,.-name

 #endif /* _CALL_ELF */

 	.macro NOPS NARG
 	.if \NARG
 	NOPS \NARG-1
 	nop
 	.endif
 	.endm

 	.macro ENTRY_3 name, alignp2=2, nopwords=0
 	.text
 	ENTRY_2(\name)
 	.p2align \alignp2
 	NOPS \nopwords
 BODY_LABEL(\name):
 	.endm

 /* Use ENTRY_TOCLESS for functions that make no use of r2 and
    guarantee r2 is unchanged on exit.  Any function that has @toc or
    @got relocs uses r2.  Functions that call other functions via the
    PLT use r2.  Use ENTRY for functions that may use or change r2.
    The first argument is the function name.
    The optional second argument specifies alignment of the function's
    code, as the logarithm base two of the byte alignment.  For
    example, a value of four aligns to a sixteen byte boundary.
    The optional third argument specifies the number of NOPs to emit
    before the start of the function's code.   */
 #ifndef PROF
 #define ENTRY_TOCLESS(name, ...)		\
 	ENTRY_3 name, ## __VA_ARGS__;		\
 	cfi_startproc

 #define ENTRY(name, ...)			\
 	ENTRY_TOCLESS(name, ## __VA_ARGS__);	\
 	LOCALENTRY(name)
 #else
 /* The call to _mcount is potentially via the plt, so profiling code
    is never free of an r2 use.  */
 #define ENTRY_TOCLESS(name, ...)		\
 	ENTRY_3 name, ## __VA_ARGS__;		\
 	cfi_startproc;				\
 	LOCALENTRY(name)

 #define ENTRY(name, ...)			\
 	ENTRY_TOCLESS(name, ## __VA_ARGS__)
 #endif

 /* Local labels stripped out by the linker.  */
 #undef L
 #define L(x) .L##x

 #define tostring(s) #s
 #define stringify(s) tostring(s)
 #define XGLUE(a,b) a##b
 #define GLUE(a,b) XGLUE(a,b)
 #define LT_LABEL(name) GLUE(.LT,name)
 #define LT_LABELSUFFIX(name,suffix) GLUE(GLUE(.LT,name),suffix)

 /* Support Traceback tables */
 #define TB_ASM			0x000c000000000000
 #define TB_GLOBALLINK		0x0000800000000000
 #define TB_IS_EPROL		0x0000400000000000
 #define TB_HAS_TBOFF		0x0000200000000000
 #define TB_INT_PROC		0x0000100000000000
 #define TB_HAS_CTL		0x0000080000000000
 #define TB_TOCLESS		0x0000040000000000
 #define TB_FP_PRESENT		0x0000020000000000
 #define TB_LOG_ABORT		0x0000010000000000
 #define TB_INT_HANDL		0x0000008000000000
 #define TB_NAME_PRESENT		0x0000004000000000
 #define TB_USES_ALLOCA		0x0000002000000000
 #define TB_SAVES_CR		0x0000000200000000
 #define TB_SAVES_LR		0x0000000100000000
 #define TB_STORES_BC		0x0000000080000000
 #define TB_FIXUP		0x0000000040000000
 #define TB_FP_SAVED(fprs)	(((fprs) & 0x3f) << 24)
 #define TB_GPR_SAVED(gprs)	(((fprs) & 0x3f) << 16)
 #define TB_FIXEDPARMS(parms)	(((parms) & 0xff) << 8)
 #define TB_FLOATPARMS(parms)	(((parms) & 0x7f) << 1)
 #define TB_PARMSONSTK		0x0000000000000001

 #define PPC_HIGHER(v) 		(((v) >> 32) & 0xffff)
 #define TB_DEFAULT		TB_ASM | TB_HAS_TBOFF | TB_NAME_PRESENT

 #define TRACEBACK(name) \
 LT_LABEL(name): ; \
 	.long	0 ; \
 	.quad	TB_DEFAULT ; \
 	.long	LT_LABEL(name)-BODY_LABEL(name) ; \
 	.short	LT_LABELSUFFIX(name,_name_end)-LT_LABELSUFFIX(name,_name_start) ; \
 LT_LABELSUFFIX(name,_name_start): ;\
 	.ascii	stringify(name) ; \
 LT_LABELSUFFIX(name,_name_end): ; \
 	.p2align 2

 #define TRACEBACK_MASK(name,mask) \
 LT_LABEL(name): ; \
 	.long	0 ; \
 	.quad	TB_DEFAULT | mask ; \
 	.long	LT_LABEL(name)-BODY_LABEL(name) ; \
 	.short	LT_LABELSUFFIX(name,_name_end)-LT_LABELSUFFIX(name,_name_start) ; \
 LT_LABELSUFFIX(name,_name_start): ;\
 	.ascii	stringify(name) ; \
 LT_LABELSUFFIX(name,_name_end): ; \
 	.p2align 2

 /* END generates Traceback tables */
 #undef	END
 #define END(name) \
   cfi_endproc;			\
   TRACEBACK(name);		\
   END_2(name)

 /* This form supports more informative traceback tables */
 #define END_GEN_TB(name,mask)	\
   cfi_endproc;			\
   TRACEBACK_MASK(name,mask);	\
   END_2(name)

 #if !IS_IN(rtld)
 # define ABORT_TRANSACTION_IMPL \
     cmpdi    13,0;		\
     beq      1f;		\
     lwz      0,TM_CAPABLE(13);	\
     cmpwi    0,0;		\
     beq	     1f;		\
     li       11,_ABORT_SYSCALL;	\
     tabort.  11;		\
     .p2align 4;			\
 1:
 #else
 # define ABORT_TRANSACTION_IMPL
 #endif
 #define ABORT_TRANSACTION ABORT_TRANSACTION_IMPL

 #define DO_CALL(syscall) \
     ABORT_TRANSACTION \
     li 0,syscall; \
     sc

 /* ppc64 is always PIC */
 #undef JUMPTARGET
 #define JUMPTARGET(name) FUNC_LABEL(name)

 #define PSEUDO(name, syscall_name, args) \
   .section ".text";				\
   ENTRY (name);					\
   DO_CALL (SYS_ify (syscall_name))

 #ifdef SHARED
 #define TAIL_CALL_SYSCALL_ERROR \
     b JUMPTARGET(__syscall_error)
 #else
 /* Static version might be linked into a large app with a toc exceeding
    64k.  We can't put a toc adjusting stub on a plain branch, so can't
    tail call __syscall_error.  */
 #define TAIL_CALL_SYSCALL_ERROR \
     .ifdef .Local_syscall_error; \
     b .Local_syscall_error; \
     .else; \
 .Local_syscall_error: \
     mflr 0; \
     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,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; \
     .endif
 #endif

 #define PSEUDO_RET \
     bnslr+; \
     TAIL_CALL_SYSCALL_ERROR

 #define ret PSEUDO_RET

 #undef	PSEUDO_END
 #define	PSEUDO_END(name) \
   END (name)

 #define PSEUDO_NOERRNO(name, syscall_name, args) \
   .section ".text";					\
   ENTRY (name);						\
   DO_CALL (SYS_ify (syscall_name))

 #define PSEUDO_RET_NOERRNO \
     blr

 #define ret_NOERRNO PSEUDO_RET_NOERRNO

 #undef	PSEUDO_END_NOERRNO
 #define	PSEUDO_END_NOERRNO(name) \
   END (name)

 #define PSEUDO_ERRVAL(name, syscall_name, args) \
   .section ".text";					\
   ENTRY (name);						\
   DO_CALL (SYS_ify (syscall_name))

 #define PSEUDO_RET_ERRVAL \
     blr

 #define ret_ERRVAL PSEUDO_RET_ERRVAL

 #undef	PSEUDO_END_ERRVAL
 #define	PSEUDO_END_ERRVAL(name) \
   END (name)

 #else /* !__ASSEMBLER__ */

 #if _CALL_ELF != 2

 #define PPC64_LOAD_FUNCPTR(ptr) \
 	"ld 	12,0(" #ptr ")\n"					\
 	"ld	2,8(" #ptr ")\n"					\
 	"mtctr	12\n"							\
 	"ld	11,16(" #ptr ")"

 #ifdef USE_PPC64_OVERLAPPING_OPD
 # define OPD_ENT(name)	".quad " BODY_PREFIX #name ", .TOC.@tocbase"
 #else
 # define OPD_ENT(name)	".quad " BODY_PREFIX #name ", .TOC.@tocbase, 0"
 #endif

 #define ENTRY_1(name)	\
 	".type   " BODY_PREFIX #name ",@function\n"			\
 	".globl " #name "\n"						\
 	".pushsection \".opd\",\"aw\"\n"				\
 	".p2align 3\n"							\
 #name ":\n"								\
 	OPD_ENT (name) "\n"						\
 	".popsection"

 #define DOT_PREFIX ""
 #define BODY_PREFIX ".LY"
 #define ENTRY_2(name)	\
 	".type " #name ",@function\n"					\
 	ENTRY_1(name)
 #define END_2(name)	\
 	".size " #name ",.-" BODY_PREFIX #name "\n"			\
 	".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name
 #define LOCALENTRY(name)

 #else /* _CALL_ELF */

 #define PPC64_LOAD_FUNCPTR(ptr) \
 	"mr	12," #ptr "\n"						\
 	"mtctr 	12"

 #define DOT_PREFIX ""
 #define BODY_PREFIX ""
 #define ENTRY_2(name)	\
 	".type " #name ",@function\n"					\
 	".globl " #name
 #define END_2(name)	\
 	".size " #name ",.-" #name
 #define LOCALENTRY(name)	\
 	"1: addis 2,12,.TOC.-1b@ha\n"					\
 	"addi	2,2,.TOC.-1b@l\n"					\
 	".localentry " #name ",.-" #name

 #endif /* _CALL_ELF */

 #endif	/* __ASSEMBLER__ */
	/* Assembly macros for 64-bit PowerPC.
	Copyright (C) 2002-2018 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, see
	<http://www.gnu.org/licenses/>. */

	#include <sysdeps/powerpc/sysdep.h>

	#ifdef __ASSEMBLER__

	/* Stack frame offsets. */
	#define FRAME_BACKCHAIN 0
	#define FRAME_CR_SAVE 8
	#define FRAME_LR_SAVE 16
	#if _CALL_ELF != 2
	#define FRAME_MIN_SIZE 112
	#define FRAME_MIN_SIZE_PARM 112
	#define FRAME_TOC_SAVE 40
	#define FRAME_PARM_SAVE 48
	#else
	#define FRAME_MIN_SIZE 32
	#define FRAME_MIN_SIZE_PARM 96
	#define FRAME_TOC_SAVE 24
	#define FRAME_PARM_SAVE 32
	#endif

	/* Support macros for CALL_MCOUNT. */
	.macro SAVE_ARG NARG
	.if \NARG
	SAVE_ARG \NARG-1
	std 2+\NARG,-FRAME_MIN_SIZE_PARM+FRAME_PARM_SAVE-8+8*(\NARG)(1)
	.endif
	.endm

	.macro REST_ARG NARG
	.if \NARG
	REST_ARG \NARG-1
	ld 2+\NARG,FRAME_PARM_SAVE-8+8*(\NARG)(1)
	.endif
	.endm

	.macro CFI_SAVE_ARG NARG
	.if \NARG
	CFI_SAVE_ARG \NARG-1
	cfi_offset(2+\NARG,-FRAME_MIN_SIZE_PARM+FRAME_PARM_SAVE-8+8*(\NARG))
	.endif
	.endm

	.macro CFI_REST_ARG NARG
	.if \NARG
	CFI_REST_ARG \NARG-1
	cfi_restore(2+\NARG)
	.endif
	.endm

	/* If compiled for profiling, call `_mcount' at the start of each function.
	see ppc-mcount.S for more details. */
	.macro CALL_MCOUNT NARG
	#ifdef PROF
	mflr r0
	SAVE_ARG \NARG
	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,FRAME_MIN_SIZE_PARM+FRAME_LR_SAVE(r1)
	REST_ARG \NARG
	mtlr r0
	addi r1,r1,FRAME_MIN_SIZE_PARM
	cfi_adjust_cfa_offset(-FRAME_MIN_SIZE_PARM)
	cfi_restore(lr)
	CFI_REST_ARG \NARG
	#endif
	.endm

	#if _CALL_ELF != 2

	/* Macro to prepare for calling via a function pointer. */
	.macro PPC64_LOAD_FUNCPTR PTR
	ld r12,0(\PTR)
	ld r2,8(\PTR)
	mtctr r12
	ld r11,16(\PTR)
	.endm

	#ifdef USE_PPC64_OVERLAPPING_OPD
	# define OPD_ENT(name) .quad BODY_LABEL (name), .TOC.@tocbase
	#else
	# define OPD_ENT(name) .quad BODY_LABEL (name), .TOC.@tocbase, 0
	#endif

	#define ENTRY_1(name) \
	.type BODY_LABEL(name),@function; \
	.globl name; \
	.section ".opd","aw"; \
	.p2align 3;FUNC_LABEL(name): \
	OPD_ENT (name); \
	.previous

	#define FUNC_LABEL(X) X
	#define BODY_LABEL(X) .LY##X
	#define ENTRY_2(name) \
	.type name,@function; \
	ENTRY_1(name)
	#define END_2(name) \
	.size name,.-BODY_LABEL(name); \
	.size BODY_LABEL(name),.-BODY_LABEL(name)
	#define LOCALENTRY(name)

	#else /* _CALL_ELF == 2 */

	/* Macro to prepare for calling via a function pointer. */
	.macro PPC64_LOAD_FUNCPTR PTR
	mr r12,\PTR
	mtctr r12
	.endm

	#define FUNC_LABEL(X) X
	#define BODY_LABEL(X) X
	#define ENTRY_2(name) \
	.globl name; \
	.type name,@function
	#define END_2(name) \
	.size name,.-name
	#define LOCALENTRY(name) \
	1: addis r2,r12,.TOC.-1b@ha; \
	addi r2,r2,.TOC.-1b@l; \
	.localentry name,.-name

	#endif /* _CALL_ELF */

	.macro NOPS NARG
	.if \NARG
	NOPS \NARG-1
	nop
	.endif
	.endm

	.macro ENTRY_3 name, alignp2=2, nopwords=0
	.text
	ENTRY_2(\name)
	.p2align \alignp2
	NOPS \nopwords
	BODY_LABEL(\name):
	.endm

	/* Use ENTRY_TOCLESS for functions that make no use of r2 and
	guarantee r2 is unchanged on exit. Any function that has @toc or
	@got relocs uses r2. Functions that call other functions via the
	PLT use r2. Use ENTRY for functions that may use or change r2.
	The first argument is the function name.
	The optional second argument specifies alignment of the function's
	code, as the logarithm base two of the byte alignment. For
	example, a value of four aligns to a sixteen byte boundary.
	The optional third argument specifies the number of NOPs to emit
	before the start of the function's code. */
	#ifndef PROF
	#define ENTRY_TOCLESS(name, ...) \
	ENTRY_3 name, ## __VA_ARGS__; \
	cfi_startproc

	#define ENTRY(name, ...) \
	ENTRY_TOCLESS(name, ## __VA_ARGS__); \
	LOCALENTRY(name)
	#else
	/* The call to _mcount is potentially via the plt, so profiling code
	is never free of an r2 use. */
	#define ENTRY_TOCLESS(name, ...) \
	ENTRY_3 name, ## __VA_ARGS__; \
	cfi_startproc; \
	LOCALENTRY(name)

	#define ENTRY(name, ...) \
	ENTRY_TOCLESS(name, ## __VA_ARGS__)
	#endif

	/* Local labels stripped out by the linker. */
	#undef L
	#define L(x) .L##x

	#define tostring(s) #s
	#define stringify(s) tostring(s)
	#define XGLUE(a,b) a##b
	#define GLUE(a,b) XGLUE(a,b)
	#define LT_LABEL(name) GLUE(.LT,name)
	#define LT_LABELSUFFIX(name,suffix) GLUE(GLUE(.LT,name),suffix)

	/* Support Traceback tables */
	#define TB_ASM 0x000c000000000000
	#define TB_GLOBALLINK 0x0000800000000000
	#define TB_IS_EPROL 0x0000400000000000
	#define TB_HAS_TBOFF 0x0000200000000000
	#define TB_INT_PROC 0x0000100000000000
	#define TB_HAS_CTL 0x0000080000000000
	#define TB_TOCLESS 0x0000040000000000
	#define TB_FP_PRESENT 0x0000020000000000
	#define TB_LOG_ABORT 0x0000010000000000
	#define TB_INT_HANDL 0x0000008000000000
	#define TB_NAME_PRESENT 0x0000004000000000
	#define TB_USES_ALLOCA 0x0000002000000000
	#define TB_SAVES_CR 0x0000000200000000
	#define TB_SAVES_LR 0x0000000100000000
	#define TB_STORES_BC 0x0000000080000000
	#define TB_FIXUP 0x0000000040000000
	#define TB_FP_SAVED(fprs) (((fprs) & 0x3f) << 24)
	#define TB_GPR_SAVED(gprs) (((fprs) & 0x3f) << 16)
	#define TB_FIXEDPARMS(parms) (((parms) & 0xff) << 8)
	#define TB_FLOATPARMS(parms) (((parms) & 0x7f) << 1)
	#define TB_PARMSONSTK 0x0000000000000001

	#define PPC_HIGHER(v) (((v) >> 32) & 0xffff)
	#define TB_DEFAULT TB_ASM \| TB_HAS_TBOFF \| TB_NAME_PRESENT

	#define TRACEBACK(name) \
	LT_LABEL(name): ; \
	.long 0 ; \
	.quad TB_DEFAULT ; \
	.long LT_LABEL(name)-BODY_LABEL(name) ; \
	.short LT_LABELSUFFIX(name,_name_end)-LT_LABELSUFFIX(name,_name_start) ; \
	LT_LABELSUFFIX(name,_name_start): ;\
	.ascii stringify(name) ; \
	LT_LABELSUFFIX(name,_name_end): ; \
	.p2align 2

	#define TRACEBACK_MASK(name,mask) \
	LT_LABEL(name): ; \
	.long 0 ; \
	.quad TB_DEFAULT \| mask ; \
	.long LT_LABEL(name)-BODY_LABEL(name) ; \
	.short LT_LABELSUFFIX(name,_name_end)-LT_LABELSUFFIX(name,_name_start) ; \
	LT_LABELSUFFIX(name,_name_start): ;\
	.ascii stringify(name) ; \
	LT_LABELSUFFIX(name,_name_end): ; \
	.p2align 2

	/* END generates Traceback tables */
	#undef END
	#define END(name) \
	cfi_endproc; \
	TRACEBACK(name); \
	END_2(name)

	/* This form supports more informative traceback tables */
	#define END_GEN_TB(name,mask) \
	cfi_endproc; \
	TRACEBACK_MASK(name,mask); \
	END_2(name)

	#if !IS_IN(rtld)
	# define ABORT_TRANSACTION_IMPL \
	cmpdi 13,0; \
	beq 1f; \
	lwz 0,TM_CAPABLE(13); \
	cmpwi 0,0; \
	beq 1f; \
	li 11,_ABORT_SYSCALL; \
	tabort. 11; \
	.p2align 4; \
	1:
	#else
	# define ABORT_TRANSACTION_IMPL
	#endif
	#define ABORT_TRANSACTION ABORT_TRANSACTION_IMPL

	#define DO_CALL(syscall) \
	ABORT_TRANSACTION \
	li 0,syscall; \
	sc

	/* ppc64 is always PIC */
	#undef JUMPTARGET
	#define JUMPTARGET(name) FUNC_LABEL(name)

	#define PSEUDO(name, syscall_name, args) \
	.section ".text"; \
	ENTRY (name); \
	DO_CALL (SYS_ify (syscall_name))

	#ifdef SHARED
	#define TAIL_CALL_SYSCALL_ERROR \
	b JUMPTARGET(__syscall_error)
	#else
	/* Static version might be linked into a large app with a toc exceeding
	64k. We can't put a toc adjusting stub on a plain branch, so can't
	tail call __syscall_error. */
	#define TAIL_CALL_SYSCALL_ERROR \
	.ifdef .Local_syscall_error; \
	b .Local_syscall_error; \
	.else; \
	.Local_syscall_error: \
	mflr 0; \
	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,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; \
	.endif
	#endif

	#define PSEUDO_RET \
	bnslr+; \
	TAIL_CALL_SYSCALL_ERROR

	#define ret PSEUDO_RET

	#undef PSEUDO_END
	#define PSEUDO_END(name) \
	END (name)

	#define PSEUDO_NOERRNO(name, syscall_name, args) \
	.section ".text"; \
	ENTRY (name); \
	DO_CALL (SYS_ify (syscall_name))

	#define PSEUDO_RET_NOERRNO \
	blr

	#define ret_NOERRNO PSEUDO_RET_NOERRNO

	#undef PSEUDO_END_NOERRNO
	#define PSEUDO_END_NOERRNO(name) \
	END (name)

	#define PSEUDO_ERRVAL(name, syscall_name, args) \
	.section ".text"; \
	ENTRY (name); \
	DO_CALL (SYS_ify (syscall_name))

	#define PSEUDO_RET_ERRVAL \
	blr

	#define ret_ERRVAL PSEUDO_RET_ERRVAL

	#undef PSEUDO_END_ERRVAL
	#define PSEUDO_END_ERRVAL(name) \
	END (name)

	#else /* !__ASSEMBLER__ */

	#if _CALL_ELF != 2

	#define PPC64_LOAD_FUNCPTR(ptr) \
	"ld 12,0(" #ptr ")\n" \
	"ld 2,8(" #ptr ")\n" \
	"mtctr 12\n" \
	"ld 11,16(" #ptr ")"

	#ifdef USE_PPC64_OVERLAPPING_OPD
	# define OPD_ENT(name) ".quad " BODY_PREFIX #name ", .TOC.@tocbase"
	#else
	# define OPD_ENT(name) ".quad " BODY_PREFIX #name ", .TOC.@tocbase, 0"
	#endif

	#define ENTRY_1(name) \
	".type " BODY_PREFIX #name ",@function\n" \
	".globl " #name "\n" \
	".pushsection \".opd\",\"aw\"\n" \
	".p2align 3\n" \
	#name ":\n" \
	OPD_ENT (name) "\n" \
	".popsection"

	#define DOT_PREFIX ""
	#define BODY_PREFIX ".LY"
	#define ENTRY_2(name) \
	".type " #name ",@function\n" \
	ENTRY_1(name)
	#define END_2(name) \
	".size " #name ",.-" BODY_PREFIX #name "\n" \
	".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name
	#define LOCALENTRY(name)

	#else /* _CALL_ELF */

	#define PPC64_LOAD_FUNCPTR(ptr) \
	"mr 12," #ptr "\n" \
	"mtctr 12"

	#define DOT_PREFIX ""
	#define BODY_PREFIX ""
	#define ENTRY_2(name) \
	".type " #name ",@function\n" \
	".globl " #name
	#define END_2(name) \
	".size " #name ",.-" #name
	#define LOCALENTRY(name) \
	"1: addis 2,12,.TOC.-1b@ha\n" \
	"addi 2,2,.TOC.-1b@l\n" \
	".localentry " #name ",.-" #name

	#endif /* _CALL_ELF */

	#endif /* __ASSEMBLER__ */