197 lines
3.7 KiB
C
197 lines
3.7 KiB
C
/* PowerPC asm definitions for GNU C. */
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/* Under winnt, 1) gas supports the following as names and 2) in particular
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defining "toc" breaks the FUNC_START macro as ".toc" becomes ".2" */
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#if !defined(__WINNT__)
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#define r0 0
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#define sp 1
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#define toc 2
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#define r3 3
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#define r4 4
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#define r5 5
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#define r6 6
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#define r7 7
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#define r8 8
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#define r9 9
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#define r10 10
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#define r11 11
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#define r12 12
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#define r13 13
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#define r14 14
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#define r15 15
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#define r16 16
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#define r17 17
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#define r18 18
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#define r19 19
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#define r20 20
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#define r21 21
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#define r22 22
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#define r23 23
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#define r24 24
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#define r25 25
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#define r26 26
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#define r27 27
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#define r28 28
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#define r29 29
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#define r30 30
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#define r31 31
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#define cr0 0
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#define cr1 1
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#define cr2 2
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#define cr3 3
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#define cr4 4
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#define cr5 5
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#define cr6 6
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#define cr7 7
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#define f0 0
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#define f1 1
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#define f2 2
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#define f3 3
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#define f4 4
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#define f5 5
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#define f6 6
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#define f7 7
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#define f8 8
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#define f9 9
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#define f10 10
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#define f11 11
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#define f12 12
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#define f13 13
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#define f14 14
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#define f15 15
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#define f16 16
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#define f17 17
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#define f18 18
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#define f19 19
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#define f20 20
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#define f21 21
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#define f22 22
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#define f23 23
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#define f24 24
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#define f25 25
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#define f26 26
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#define f27 27
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#define f28 28
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#define f29 29
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#define f30 30
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#define f31 31
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#endif
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/*
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* Macros to glue together two tokens.
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*/
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#ifdef __STDC__
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#define XGLUE(a,b) a##b
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#else
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#define XGLUE(a,b) a/**/b
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#endif
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#define GLUE(a,b) XGLUE(a,b)
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/*
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* Macros to begin and end a function written in assembler. If -mcall-aixdesc
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* or -mcall-nt, create a function descriptor with the given name, and create
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* the real function with one or two leading periods respectively.
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*/
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#ifdef _RELOCATABLE
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#define DESC_SECTION ".got2"
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#else
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#define DESC_SECTION ".got1"
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#endif
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#if defined(_CALL_AIXDESC)
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#define FUNC_NAME(name) GLUE(.,name)
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#define JUMP_TARGET(name) FUNC_NAME(name)
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#define FUNC_START(name) \
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.section DESC_SECTION,"aw"; \
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name: \
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.long GLUE(.,name); \
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.long _GLOBAL_OFFSET_TABLE_; \
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.long 0; \
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.previous; \
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.type GLUE(.,name),@function; \
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.globl name; \
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.globl GLUE(.,name); \
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GLUE(.,name):
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#define FUNC_END(name) \
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GLUE(.L,name): \
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.size GLUE(.,name),GLUE(.L,name)-GLUE(.,name)
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#elif defined(__WINNT__)
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#define FUNC_NAME(name) GLUE(..,name)
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#define JUMP_TARGET(name) FUNC_NAME(name)
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#define FUNC_START(name) \
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.pdata; \
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.align 2; \
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.ualong GLUE(..,name),GLUE(name,.e),0,0,GLUE(..,name); \
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.reldata; \
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name: \
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.ualong GLUE(..,name),.toc; \
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.section .text; \
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.globl name; \
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.globl GLUE(..,name); \
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GLUE(..,name):
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#define FUNC_END(name) \
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GLUE(name,.e): ; \
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GLUE(FE_MOT_RESVD..,name):
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#elif defined(_CALL_NT)
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#define FUNC_NAME(name) GLUE(..,name)
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#define JUMP_TARGET(name) FUNC_NAME(name)
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#define FUNC_START(name) \
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.section DESC_SECTION,"aw"; \
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name: \
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.long GLUE(..,name); \
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.long _GLOBAL_OFFSET_TABLE_; \
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.previous; \
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.type GLUE(..,name),@function; \
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.globl name; \
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.globl GLUE(..,name); \
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GLUE(..,name):
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#define FUNC_END(name) \
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GLUE(.L,name): \
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.size GLUE(..,name),GLUE(.L,name)-GLUE(..,name)
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#elif defined (__powerpc64__)
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#define FUNC_NAME(name) GLUE(.,name)
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#define FUNC_START(name) \
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.section ".opd","aw"; \
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name: \
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.quad GLUE(.,name); \
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.quad .TOC.@tocbase; \
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.quad 0; \
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.previous; \
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.type GLUE(.,name),@function; \
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.globl name; \
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.globl GLUE(.,name); \
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GLUE(.,name):
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#define FUNC_END(name) \
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GLUE(.L,name): \
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.size GLUE(.,name),GLUE(.L,name)-GLUE(.,name)
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#else
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#define FUNC_NAME(name) GLUE(__USER_LABEL_PREFIX__,name)
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#if defined __PIC__ || defined __pic__
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#define JUMP_TARGET(name) FUNC_NAME(name@plt)
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#else
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#define JUMP_TARGET(name) FUNC_NAME(name)
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#endif
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#define FUNC_START(name) \
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.type FUNC_NAME(name),@function; \
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.globl FUNC_NAME(name); \
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FUNC_NAME(name):
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#define FUNC_END(name) \
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GLUE(.L,name): \
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.size FUNC_NAME(name),GLUE(.L,name)-FUNC_NAME(name)
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#endif
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