Open64: osprey/kg++fe/gnu/config/rs6000/ppc-asm.h Source File

00001 /* PowerPC asm definitions for GNU C.  */
00002 /* Under winnt, 1) gas supports the following as names and 2) in particular
00003    defining "toc" breaks the FUNC_START macro as ".toc" becomes ".2" */
00004 
00005 #if !defined(__WINNT__)
00006 #define r0  0
00007 #define sp  1
00008 #define toc 2
00009 #define r3  3
00010 #define r4  4
00011 #define r5  5
00012 #define r6  6
00013 #define r7  7
00014 #define r8  8
00015 #define r9  9
00016 #define r10 10
00017 #define r11 11
00018 #define r12 12
00019 #define r13 13
00020 #define r14 14
00021 #define r15 15
00022 #define r16 16
00023 #define r17 17
00024 #define r18 18
00025 #define r19     19
00026 #define r20 20
00027 #define r21 21
00028 #define r22 22
00029 #define r23 23
00030 #define r24 24
00031 #define r25 25
00032 #define r26 26
00033 #define r27 27
00034 #define r28 28
00035 #define r29 29
00036 #define r30 30
00037 #define r31 31
00038 
00039 #define cr0 0
00040 #define cr1 1
00041 #define cr2 2
00042 #define cr3 3
00043 #define cr4 4
00044 #define cr5 5
00045 #define cr6 6
00046 #define cr7 7
00047 
00048 #define f0  0
00049 #define f1  1
00050 #define f2  2
00051 #define f3  3
00052 #define f4  4
00053 #define f5  5
00054 #define f6  6
00055 #define f7  7
00056 #define f8  8
00057 #define f9  9
00058 #define f10 10
00059 #define f11 11
00060 #define f12 12
00061 #define f13 13
00062 #define f14 14
00063 #define f15 15
00064 #define f16 16
00065 #define f17 17
00066 #define f18 18
00067 #define f19     19
00068 #define f20 20
00069 #define f21 21
00070 #define f22 22
00071 #define f23 23
00072 #define f24 24
00073 #define f25 25
00074 #define f26 26
00075 #define f27 27
00076 #define f28 28
00077 #define f29 29
00078 #define f30 30
00079 #define f31 31
00080 #endif
00081 
00082 /*
00083  * Macros to glue together two tokens.
00084  */
00085 
00086 #ifdef __STDC__
00087 #define XGLUE(a,b) a##b
00088 #else
00089 #define XGLUE(a,b) ab
00090 #endif
00091 
00092 #define GLUE(a,b) XGLUE(a,b)
00093 
00094 /*
00095  * Macros to begin and end a function written in assembler.  If -mcall-aixdesc
00096  * or -mcall-nt, create a function descriptor with the given name, and create
00097  * the real function with one or two leading periods respectively.
00098  */
00099 
00100 #ifdef _RELOCATABLE
00101 #define DESC_SECTION ".got2"
00102 #else
00103 #define DESC_SECTION ".got1"
00104 #endif
00105 
00106 #if defined(_CALL_AIXDESC)
00107 #define FUNC_NAME(name) GLUE(.,name)
00108 #define JUMP_TARGET(name) FUNC_NAME(name)
00109 #define FUNC_START(name) \
00110   .section DESC_SECTION,"aw"; \
00111 name: \
00112   .long GLUE(.,name); \
00113   .long _GLOBAL_OFFSET_TABLE_; \
00114   .long 0; \
00115   .previous; \
00116   .type GLUE(.,name),@function; \
00117   .globl name; \
00118   .globl GLUE(.,name); \
00119 GLUE(.,name):
00120 
00121 #define FUNC_END(name) \
00122 GLUE(.L,name): \
00123   .size GLUE(.,name),GLUE(.L,name)-GLUE(.,name)
00124 
00125 #elif defined(__WINNT__)
00126 #define FUNC_NAME(name) GLUE(..,name)
00127 #define JUMP_TARGET(name) FUNC_NAME(name)
00128 #define FUNC_START(name) \
00129   .pdata; \
00130   .align 2; \
00131   .ualong GLUE(..,name),GLUE(name,.e),0,0,GLUE(..,name); \
00132   .reldata; \
00133 name: \
00134   .ualong GLUE(..,name),.toc; \
00135   .section .text; \
00136   .globl name; \
00137   .globl GLUE(..,name); \
00138 GLUE(..,name):
00139 
00140 #define FUNC_END(name) \
00141 GLUE(name,.e): ; \
00142 GLUE(FE_MOT_RESVD..,name):
00143 
00144 #elif defined(_CALL_NT)
00145 #define FUNC_NAME(name) GLUE(..,name)
00146 #define JUMP_TARGET(name) FUNC_NAME(name)
00147 #define FUNC_START(name) \
00148   .section DESC_SECTION,"aw"; \
00149 name: \
00150   .long GLUE(..,name); \
00151   .long _GLOBAL_OFFSET_TABLE_; \
00152   .previous; \
00153   .type GLUE(..,name),@function; \
00154   .globl name; \
00155   .globl GLUE(..,name); \
00156 GLUE(..,name):
00157 
00158 #define FUNC_END(name) \
00159 GLUE(.L,name): \
00160   .size GLUE(..,name),GLUE(.L,name)-GLUE(..,name)
00161 
00162 #elif defined (__powerpc64__)
00163 #define FUNC_NAME(name) GLUE(.,name)
00164 #define JUMP_TARGET(name) FUNC_NAME(name)
00165 #define FUNC_START(name) \
00166   .section ".opd","aw"; \
00167 name: \
00168   .quad GLUE(.,name); \
00169   .quad .TOC.@tocbase; \
00170   .quad 0; \
00171   .previous; \
00172   .type GLUE(.,name),@function; \
00173   .globl name; \
00174   .globl GLUE(.,name); \
00175 GLUE(.,name):
00176 
00177 #define FUNC_END(name) \
00178 GLUE(.L,name): \
00179   .size GLUE(.,name),GLUE(.L,name)-GLUE(.,name)
00180 
00181 #else
00182 #define FUNC_NAME(name) GLUE(__USER_LABEL_PREFIX__,name)
00183 #if defined __PIC__ || defined __pic__
00184 #define JUMP_TARGET(name) FUNC_NAME(name@plt)
00185 #else
00186 #define JUMP_TARGET(name) FUNC_NAME(name)
00187 #endif
00188 #define FUNC_START(name) \
00189   .type FUNC_NAME(name),@function; \
00190   .globl FUNC_NAME(name); \
00191 FUNC_NAME(name):
00192 
00193 #define FUNC_END(name) \
00194 GLUE(.L,name): \
00195   .size FUNC_NAME(name),GLUE(.L,name)-FUNC_NAME(name)
00196 #endif
00197