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Wed May 22 00:40:50 1996 David Mosberger-Tang <davidm@azstarnet.com>

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* sysdeps/unix/alpha/sysdep.h: Include regdef.h.  Define LEAF macro
	to simplify declaration of leaf functions.
This commit is contained in:
Roland McGrath 1996-05-23 05:32:14 +00:00
parent 24c177a079
commit 92172913d2
1 changed files with 36 additions and 16 deletions
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52
sysdeps/unix/alpha/sysdep.h
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@ -20,20 +20,42 @@ Cambridge, MA 02139, USA. */
#ifdef ASSEMBLER #ifdef ASSEMBLER
#ifdef __linux__
# include <alpha/regdef.h>
#else
# include <regdef.h>
#endif
#ifdef __STDC__
#define LEAF(name, framesize) \
.globl name; \
.align 3; \
.ent name, 0; \
name##: \
.frame sp, framesize, ra
#else
#define LEAF(name, framesize) \
.globl name; \
.align 3; \
.ent name, 0; \
name/**/: \
.frame sp, framesize, ra
#endif
#ifdef __STDC__ #ifdef __STDC__
#define ENTRY(name) \ #define ENTRY(name) \
.globl name; \ .globl name; \
.align 3; \ .align 3; \
.ent name,0; \ .ent name, 0; \
name##: \ name##: \
.frame sp,0,ra .frame sp, 0, ra
#else #else
#define ENTRY(name) \ #define ENTRY(name) \
.globl name; \ .globl name; \
.align 3; \ .align 3; \
.ent name,0; \ .ent name, 0; \
name/**/: \ name/**/: \
.frame sp,0,ra .frame sp, 0, ra
#endif #endif
/* Note that while it's better structurally, going back to set errno /* Note that while it's better structurally, going back to set errno
@ -45,17 +67,16 @@ Cambridge, MA 02139, USA. */
.align 3; \ .align 3; \
.ent name,0; \ .ent name,0; \
\ \
1: br gp,2f; \ 1: br gp, 2f; \
2: ldgp gp,0(gp); \ 2: ldgp gp, 0(gp); \
lda pv,syscall_error; \ jmp zero, syscall_error; \
jmp zero,(pv); \
\ \
name##: \ name##: \
ldi v0,SYS_ify(syscall_name); \ ldi v0, SYS_ify(syscall_name); \
.set noat; \ .set noat; \
call_pal PAL_callsys; \ call_pal PAL_callsys; \
.set at; \ .set at; \
bne a3,1b; \ bne a3, 1b; \
3: 3:
#else #else
#define PSEUDO(name, syscall_name, args) \ #define PSEUDO(name, syscall_name, args) \
@ -63,17 +84,16 @@ name##: \
.align 3; \ .align 3; \
.ent name,0; \ .ent name,0; \
\ \
1: br gp,2f; \ 1: br gp, 2f; \
2: ldgp gp,0(gp); \ 2: ldgp gp, 0(gp); \
lda pv,syscall_error; \ jmp zero, syscall_error; \
jmp zero,(pv); \
\ \
name/**/: \ name/**/: \
ldi v0,SYS_ify(syscall_name); \ ldi v0, SYS_ify(syscall_name); \
.set noat; \ .set noat; \
call_pal PAL_callsys; \ call_pal PAL_callsys; \
.set at; \ .set at; \
bne a3,1b; \ bne a3, 1b; \
3: 3:
#endif #endif