From c0f118c8869b9095612dfcc4a279e957b67a8efa Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Fri, 3 Jun 2016 17:24:03 +0200 Subject: ppc: cleanup unsupported ppc64 code Remove ppc64 bits and bytes, as we don't support ppc64 and it makes the code more readable without the dead code. --- libc/sysdeps/linux/powerpc/powerpc64/sysdep.h | 243 -------------------------- 1 file changed, 243 deletions(-) delete mode 100644 libc/sysdeps/linux/powerpc/powerpc64/sysdep.h (limited to 'libc/sysdeps/linux/powerpc/powerpc64/sysdep.h') diff --git a/libc/sysdeps/linux/powerpc/powerpc64/sysdep.h b/libc/sysdeps/linux/powerpc/powerpc64/sysdep.h deleted file mode 100644 index 5a194af58..000000000 --- a/libc/sysdeps/linux/powerpc/powerpc64/sysdep.h +++ /dev/null @@ -1,243 +0,0 @@ -/* Assembly macros for 64-bit PowerPC. - Copyright (C) 2002, 2003, 2004, 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, see - . */ - -#ifdef __ELF__ - -#ifdef __ASSEMBLER__ - -/* Support macros for CALL_MCOUNT. */ - .macro SAVE_ARG NARG - .if \NARG - SAVE_ARG \NARG-1 - std 2+\NARG,-72+8*(\NARG)(1) - .endif - .endm - - .macro REST_ARG NARG - .if \NARG - REST_ARG \NARG-1 - ld 2+\NARG,40+8*(\NARG)(1) - .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 r0,16(r1) - stdu r1,-112(r1) - bl JUMPTARGET (_mcount) - ld r0,128(r1) - REST_ARG \NARG - addi r1,r1,112 - mtlr r0 -#endif - .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) \ - .section ".text"; \ - .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 ENTRY(name) \ - ENTRY_2(name) \ - .align ALIGNARG(2); \ -BODY_LABEL(name): \ - cfi_startproc; - -#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) \ - ENTRY_2(name) \ - .align ALIGNARG(alignt); \ - EALIGN_W_##words; \ -BODY_LABEL(name): \ - cfi_startproc; - -/* 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) - -#define DO_CALL(syscall) \ - 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)); - -#define PSEUDO_RET \ - bnslr+; \ - b JUMPTARGET(__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 - -#undef ret_ERRVAL -#define ret_ERRVAL PSEUDO_RET_ERRVAL - -#undef PSEUDO_END_ERRVAL -#define PSEUDO_END_ERRVAL(name) \ - END (name) - -#else /* !__ASSEMBLER__ */ - -#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 DOT_PREFIX "" -# define BODY_PREFIX ".LY" -# define ENTRY_2(name) ".type " #name ",@function;" -# define END_2(name) \ - ".size " #name ",.-" BODY_PREFIX #name ";\n" \ - ".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name ";" - -#endif /* __ASSEMBLER__ */ - -#endif /* __ELF__ */ -- cgit v1.2.3