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root/cebix/SheepShaver/src/Unix/ppc_asm.tmpl

Comparing SheepShaver/src/Unix/ppc_asm.tmpl (file contents):
Revision 1.1.1.1 by cebix, 2002-02-04T16:58:13Z vs.
Revision 1.8 by asvitkine, 2009-08-18T18:26:11Z

#	Line 1 | Line 1
1	+	/* Define usage of "reserved" registers */
2	+	#if defined(__linux__)
3	+	#define SYSTEM_CLOBBERS_R2      1       /* Pointer to Thread Local Storage */
4	+	#define SYSTEM_CLOBBERS_R13     1       /* Pointer to .sdata section */
5	+	#endif
6	+
7	+	#ifdef __ASSEMBLY__
8	+	/* Helper macros */
9	+	#ifdef SYSTEM_CLOBBERS_R2
10	+	#define RESTORE_SYSTEM_R2       lwz r2,XLM_TOC(0)
11	+	#define SAVE_SYSTEM_R2          stw r2,XLM_TOC(0)
12	+	#else
13	+	#define RESTORE_SYSTEM_R2
14	+	#define SAVE_SYSTEM_R2
15	+	#endif
16	+	#ifdef SYSTEM_CLOBBERS_R13
17	+	#define RESTORE_SYSTEM_R13      lwz r13,XLM_R13(0)
18	+	#define SAVE_SYSTEM_R13         stw r13,XLM_R13(0)
19	+	#else
20	+	#define RESTORE_SYSTEM_R13
21	+	#define SAVE_SYSTEM_R13
22	+	#endif
23	+
24	+	/* Helper macros */
25	+	#define xglue(x, y)             x ## y
26	+	#define glue(x, y)              xglue(x, y)
27	+
28	+	/* Apple assembler perticularities */
29	+	#if (defined(__APPLE__) && defined(__MACH__))
30	+	#define C_SYMBOL_NAME(NAME)     glue(_, NAME)
31	+	#define ASM_TYPE(NAME, TYPE)    /* nothing */
32	+	#define ASM_ALIGN_2(EXP)        EXP
33	+	#define ASM_HA16(VAR)           ha16(VAR)
34	+	#define ASM_LO16(VAR)           lo16(VAR)
35	+	#define ASM_MACRO_END           .endmacro
36	+	#define ASM_MACRO_ARG_SEP       ,
37	+	#define ASM_MACRO_ARG0_DEF      /* nothing! */
38	+	#define ASM_MACRO_ARG0          $0
39	+	#define ASM_MACRO_ARG1_DEF      /* nothing! */
40	+	#define ASM_MACRO_ARG1          $1
41	+	#define ASM_MACRO_ARG2_DEF      /* nothing! */
42	+	#define ASM_MACRO_ARG2          $2
43	+	#define ASM_MACRO_ARG3_DEF      /* nothing! */
44	+	#define ASM_MACRO_ARG3          $3
45	+	#endif
46	+
47	+	/* Defaults for GNU assembler */
48	+	#ifndef ASM_TYPE
49	+	#define ASM_TYPE(NAME, TYPE)    .type NAME, TYPE
50	+	#endif
51	+	#ifndef ASM_ALIGN_2
52	+	#define ASM_ALIGN_2(EXP)        (1 << (EXP))
53	+	#endif
54	+	#ifndef ASM_HA16
55	+	#define ASM_HA16(VAR)           VAR@ha
56	+	#endif
57	+	#ifndef ASM_LO16
58	+	#define ASM_LO16(VAR)           VAR@l
59	+	#endif
60	+	#ifndef ASM_MACRO_START
61	+	#define ASM_MACRO_START         .macro
62	+	#endif
63	+	#ifndef ASM_MACRO_END
64	+	#define ASM_MACRO_END           .endm
65	+	#endif
66	+	#ifndef ASM_MACRO_ARG_SEP
67	+	#define ASM_MACRO_ARG_SEP
68	+	#endif
69	+	#ifndef ASM_MACRO_ARG0_DEF
70	+	#define ASM_MACRO_ARG0_DEF      __asm_macro_arg0
71	+	#define ASM_MACRO_ARG0          \__asm_macro_arg0
72	+	#define ASM_MACRO_ARG1_DEF      , __asm_macro_arg1
73	+	#define ASM_MACRO_ARG1          \__asm_macro_arg1
74	+	#define ASM_MACRO_ARG2_DEF      , __asm_macro_arg2
75	+	#define ASM_MACRO_ARG2          \__asm_macro_arg2
76	+	#define ASM_MACRO_ARG3_DEF      , __asm_macro_arg3
77	+	#define ASM_MACRO_ARG3          \__asm_macro_arg3
78	+	#endif
79	+	#ifndef C_SYMBOL_NAME
80	+	#define C_SYMBOL_NAME(NAME)     NAME
81	+	#endif
82	+	#ifndef ASM_GLOBAL_DIRECTIVE
83	+	#define ASM_GLOBAL_DIRECTIVE    .globl
84	+	#endif
85	+
86		/* Register names */
87	+	#if defined(__linux__) || defined(__NetBSD__)
88		#define r0      0
89		#define r1      1
90		#define r2      2
#	Line 31 | Line 117
117		#define r29     29
118		#define r30     30
119		#define r31     31
120	+	#endif
121
122	+	#if defined(__linux__) || defined(__NetBSD__)
123		#define f0      0
124		#define f1      1
125		#define f2      2
#	Line 64 | Line 152
152		#define f29     29
153		#define f30     30
154		#define f31     31
155	+	#endif
156	+	#endif

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