diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/sysdep.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/sysdep.h | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/sysdeps/powerpc/powerpc64/sysdep.h b/sysdeps/powerpc/powerpc64/sysdep.h deleted file mode 100644 index db7c1d78b5..0000000000 --- a/sysdeps/powerpc/powerpc64/sysdep.h +++ /dev/null @@ -1,425 +0,0 @@ -/* Assembly macros for 64-bit PowerPC. - Copyright (C) 2002-2017 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. */ -#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,call_mcount_parm_offset-8+8*(\NARG)(1) - .endif - .endm - - .macro REST_ARG NARG - .if \NARG - REST_ARG \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,call_mcount_parm_offset-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"; \ - .align 3; \ -name##: OPD_ENT (name); \ - .previous; - -#define DOT_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 */ - -/* Macro to prepare for calling via a function pointer. */ - .macro PPC64_LOAD_FUNCPTR PTR - mr r12,\PTR - mtctr r12 - .endm - -#define DOT_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 */ - -#define ENTRY(name) \ - .section ".text"; \ - ENTRY_2(name) \ - .align ALIGNARG(2); \ -BODY_LABEL(name): \ - cfi_startproc; \ - LOCALENTRY(name) - -#define EALIGN_W_0 /* No words to insert. */ -#define EALIGN_W_1 nop -#define EALIGN_W_2 nop;nop -#define EALIGN_W_3 nop;nop;nop -#define EALIGN_W_4 EALIGN_W_3;nop -#define EALIGN_W_5 EALIGN_W_4;nop -#define EALIGN_W_6 EALIGN_W_5;nop -#define EALIGN_W_7 EALIGN_W_6;nop - -/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes - past a 2^alignt boundary. */ -#define EALIGN(name, alignt, words) \ - .section ".text"; \ - ENTRY_2(name) \ - .align ALIGNARG(alignt); \ - EALIGN_W_##words; \ -BODY_LABEL(name): \ - cfi_startproc; \ - LOCALENTRY(name) - -/* 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): ; \ - .align 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): ; \ - .align 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) && defined (ENABLE_LOCK_ELISION) -# define ABORT_TRANSACTION \ - cmpdi 13,0; \ - beq 1f; \ - lwz 0,TM_CAPABLE(13); \ - cmpwi 0,0; \ - beq 1f; \ - li 11,_ABORT_SYSCALL; \ - tabort. 11; \ - .align 4; \ -1: -#else -# define ABORT_TRANSACTION -#endif - -#define DO_CALL(syscall) \ - ABORT_TRANSACTION \ - li 0,syscall; \ - sc - -/* ppc64 is always PIC */ -#undef JUMPTARGET -#define JUMPTARGET(name) DOT_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" \ - ".align 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__ */ |