| /* PowerPC asm definitions for GNU C. |
| |
| Copyright (C) 2002-2021 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC 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 General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Under winnt, 1) gas supports the following as names and 2) in particular |
| defining "toc" breaks the FUNC_START macro as ".toc" becomes ".2" */ |
| |
| #define r0 0 |
| #define sp 1 |
| #define toc 2 |
| #define r3 3 |
| #define r4 4 |
| #define r5 5 |
| #define r6 6 |
| #define r7 7 |
| #define r8 8 |
| #define r9 9 |
| #define r10 10 |
| #define r11 11 |
| #define r12 12 |
| #define r13 13 |
| #define r14 14 |
| #define r15 15 |
| #define r16 16 |
| #define r17 17 |
| #define r18 18 |
| #define r19 19 |
| #define r20 20 |
| #define r21 21 |
| #define r22 22 |
| #define r23 23 |
| #define r24 24 |
| #define r25 25 |
| #define r26 26 |
| #define r27 27 |
| #define r28 28 |
| #define r29 29 |
| #define r30 30 |
| #define r31 31 |
| |
| #define cr0 0 |
| #define cr1 1 |
| #define cr2 2 |
| #define cr3 3 |
| #define cr4 4 |
| #define cr5 5 |
| #define cr6 6 |
| #define cr7 7 |
| |
| #define f0 0 |
| #define f1 1 |
| #define f2 2 |
| #define f3 3 |
| #define f4 4 |
| #define f5 5 |
| #define f6 6 |
| #define f7 7 |
| #define f8 8 |
| #define f9 9 |
| #define f10 10 |
| #define f11 11 |
| #define f12 12 |
| #define f13 13 |
| #define f14 14 |
| #define f15 15 |
| #define f16 16 |
| #define f17 17 |
| #define f18 18 |
| #define f19 19 |
| #define f20 20 |
| #define f21 21 |
| #define f22 22 |
| #define f23 23 |
| #define f24 24 |
| #define f25 25 |
| #define f26 26 |
| #define f27 27 |
| #define f28 28 |
| #define f29 29 |
| #define f30 30 |
| #define f31 31 |
| |
| #ifdef __VSX__ |
| #define f32 32 |
| #define f33 33 |
| #define f34 34 |
| #define f35 35 |
| #define f36 36 |
| #define f37 37 |
| #define f38 38 |
| #define f39 39 |
| #define f40 40 |
| #define f41 41 |
| #define f42 42 |
| #define f43 43 |
| #define f44 44 |
| #define f45 45 |
| #define f46 46 |
| #define f47 47 |
| #define f48 48 |
| #define f49 49 |
| #define f50 50 |
| #define f51 51 |
| #define f52 52 |
| #define f53 53 |
| #define f54 54 |
| #define f55 55 |
| #define f56 56 |
| #define f57 57 |
| #define f58 58 |
| #define f59 59 |
| #define f60 60 |
| #define f61 61 |
| #define f62 62 |
| #define f63 63 |
| #endif |
| |
| #ifdef __ALTIVEC__ |
| #define v0 0 |
| #define v1 1 |
| #define v2 2 |
| #define v3 3 |
| #define v4 4 |
| #define v5 5 |
| #define v6 6 |
| #define v7 7 |
| #define v8 8 |
| #define v9 9 |
| #define v10 10 |
| #define v11 11 |
| #define v12 12 |
| #define v13 13 |
| #define v14 14 |
| #define v15 15 |
| #define v16 16 |
| #define v17 17 |
| #define v18 18 |
| #define v19 19 |
| #define v20 20 |
| #define v21 21 |
| #define v22 22 |
| #define v23 23 |
| #define v24 24 |
| #define v25 25 |
| #define v26 26 |
| #define v27 27 |
| #define v28 28 |
| #define v29 29 |
| #define v30 30 |
| #define v31 31 |
| #endif |
| |
| #ifdef __VSX__ |
| #define vs0 0 |
| #define vs1 1 |
| #define vs2 2 |
| #define vs3 3 |
| #define vs4 4 |
| #define vs5 5 |
| #define vs6 6 |
| #define vs7 7 |
| #define vs8 8 |
| #define vs9 9 |
| #define vs10 10 |
| #define vs11 11 |
| #define vs12 12 |
| #define vs13 13 |
| #define vs14 14 |
| #define vs15 15 |
| #define vs16 16 |
| #define vs17 17 |
| #define vs18 18 |
| #define vs19 19 |
| #define vs20 20 |
| #define vs21 21 |
| #define vs22 22 |
| #define vs23 23 |
| #define vs24 24 |
| #define vs25 25 |
| #define vs26 26 |
| #define vs27 27 |
| #define vs28 28 |
| #define vs29 29 |
| #define vs30 30 |
| #define vs31 31 |
| #define vs32 32 |
| #define vs33 33 |
| #define vs34 34 |
| #define vs35 35 |
| #define vs36 36 |
| #define vs37 37 |
| #define vs38 38 |
| #define vs39 39 |
| #define vs40 40 |
| #define vs41 41 |
| #define vs42 42 |
| #define vs43 43 |
| #define vs44 44 |
| #define vs45 45 |
| #define vs46 46 |
| #define vs47 47 |
| #define vs48 48 |
| #define vs49 49 |
| #define vs50 50 |
| #define vs51 51 |
| #define vs52 52 |
| #define vs53 53 |
| #define vs54 54 |
| #define vs55 55 |
| #define vs56 56 |
| #define vs57 57 |
| #define vs58 58 |
| #define vs59 59 |
| #define vs60 60 |
| #define vs61 61 |
| #define vs62 62 |
| #define vs63 63 |
| #endif |
| |
| /* |
| * Macros to glue together two tokens. |
| */ |
| |
| #ifdef __STDC__ |
| #define XGLUE(a,b) a##b |
| #else |
| #define XGLUE(a,b) a/**/b |
| #endif |
| |
| #define GLUE(a,b) XGLUE(a,b) |
| |
| /* |
| * Macros to begin and end a function written in assembler. If -mcall-aixdesc |
| * or -mcall-nt, create a function descriptor with the given name, and create |
| * the real function with one or two leading periods respectively. |
| */ |
| |
| #if defined(__powerpc64__) && _CALL_ELF == 2 |
| |
| /* Defining "toc" above breaks @toc in assembler code. */ |
| #undef toc |
| |
| #define FUNC_NAME(name) GLUE(__USER_LABEL_PREFIX__,name) |
| #ifdef __PCREL__ |
| #define JUMP_TARGET(name) GLUE(FUNC_NAME(name),@notoc) |
| #define FUNC_START(name) \ |
| .type FUNC_NAME(name),@function; \ |
| .globl FUNC_NAME(name); \ |
| FUNC_NAME(name): \ |
| .localentry FUNC_NAME(name),1 |
| #else |
| #define JUMP_TARGET(name) FUNC_NAME(name) |
| #define FUNC_START(name) \ |
| .type FUNC_NAME(name),@function; \ |
| .globl FUNC_NAME(name); \ |
| FUNC_NAME(name): \ |
| 0: addis 2,12,(.TOC.-0b)@ha; \ |
| addi 2,2,(.TOC.-0b)@l; \ |
| .localentry FUNC_NAME(name),.-FUNC_NAME(name) |
| #endif /* !__PCREL__ */ |
| |
| #define HIDDEN_FUNC(name) \ |
| FUNC_START(name) \ |
| .hidden FUNC_NAME(name); |
| |
| #define FUNC_END(name) \ |
| .size FUNC_NAME(name),.-FUNC_NAME(name) |
| |
| #elif defined (__powerpc64__) |
| |
| #define FUNC_NAME(name) GLUE(.,name) |
| #define JUMP_TARGET(name) FUNC_NAME(name) |
| #define FUNC_START(name) \ |
| .section ".opd","aw"; \ |
| name: \ |
| .quad GLUE(.,name); \ |
| .quad .TOC.@tocbase; \ |
| .quad 0; \ |
| .previous; \ |
| .type GLUE(.,name),@function; \ |
| .globl name; \ |
| .globl GLUE(.,name); \ |
| GLUE(.,name): |
| |
| #define HIDDEN_FUNC(name) \ |
| FUNC_START(name) \ |
| .hidden name; \ |
| .hidden GLUE(.,name); |
| |
| #define FUNC_END(name) \ |
| GLUE(.L,name): \ |
| .size GLUE(.,name),GLUE(.L,name)-GLUE(.,name) |
| |
| #elif defined(_CALL_AIXDESC) |
| |
| #ifdef _RELOCATABLE |
| #define DESC_SECTION ".got2" |
| #else |
| #define DESC_SECTION ".got1" |
| #endif |
| |
| #define FUNC_NAME(name) GLUE(.,name) |
| #define JUMP_TARGET(name) FUNC_NAME(name) |
| #define FUNC_START(name) \ |
| .section DESC_SECTION,"aw"; \ |
| name: \ |
| .long GLUE(.,name); \ |
| .long _GLOBAL_OFFSET_TABLE_; \ |
| .long 0; \ |
| .previous; \ |
| .type GLUE(.,name),@function; \ |
| .globl name; \ |
| .globl GLUE(.,name); \ |
| GLUE(.,name): |
| |
| #define HIDDEN_FUNC(name) \ |
| FUNC_START(name) \ |
| .hidden name; \ |
| .hidden GLUE(.,name); |
| |
| #define FUNC_END(name) \ |
| GLUE(.L,name): \ |
| .size GLUE(.,name),GLUE(.L,name)-GLUE(.,name) |
| |
| #else |
| |
| #define FUNC_NAME(name) GLUE(__USER_LABEL_PREFIX__,name) |
| #if defined __PIC__ || defined __pic__ |
| #define JUMP_TARGET(name) FUNC_NAME(name@plt) |
| #else |
| #define JUMP_TARGET(name) FUNC_NAME(name) |
| #endif |
| #define FUNC_START(name) \ |
| .type FUNC_NAME(name),@function; \ |
| .globl FUNC_NAME(name); \ |
| FUNC_NAME(name): |
| |
| #define HIDDEN_FUNC(name) \ |
| FUNC_START(name) \ |
| .hidden FUNC_NAME(name); |
| |
| #define FUNC_END(name) \ |
| GLUE(.L,name): \ |
| .size FUNC_NAME(name),GLUE(.L,name)-FUNC_NAME(name) |
| #endif |
| |
| #ifdef IN_GCC |
| /* For HAVE_GAS_CFI_DIRECTIVE. */ |
| #include "auto-host.h" |
| |
| #ifdef HAVE_GAS_CFI_DIRECTIVE |
| # define CFI_STARTPROC .cfi_startproc |
| # define CFI_ENDPROC .cfi_endproc |
| # define CFI_OFFSET(reg, off) .cfi_offset reg, off |
| # define CFI_DEF_CFA_REGISTER(reg) .cfi_def_cfa_register reg |
| # define CFI_RESTORE(reg) .cfi_restore reg |
| #else |
| # define CFI_STARTPROC |
| # define CFI_ENDPROC |
| # define CFI_OFFSET(reg, off) |
| # define CFI_DEF_CFA_REGISTER(reg) |
| # define CFI_RESTORE(reg) |
| #endif |
| #endif |
| |
| #if defined __linux__ && !defined __powerpc64__ |
| .section .note.GNU-stack |
| .previous |
| #endif |
