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* sysdeps/unix/sysv/linux/m68k/sysdep.h (SYSCALL_ERROR_LABEL): New

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definition. 
(PSEUDO, SYSCALL_ERROR_HANDLER): Use it instead of syscall_error. 
* sysdeps/unix/sysv/linux/m68k/clone.S: Likewise. 
* sysdeps/unix/sysv/linux/m68k/mmap.S: Likewise. 
* sysdeps/unix/sysv/linux/m68k/socket.S: Likewise. 
* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h (SYSCALL_ERROR_LABEL): New
	definition.
	(PSEUDO, SYSCALL_ERROR_HANDLER): Use it instead of syscall_error.
	* sysdeps/unix/sysv/linux/m68k/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.
This commit is contained in:
Andreas Schwab
1998-06-10 01:37:21 +00:00
parent 9e2c0dae9b
commit 4bec453640
6 changed files with 31 additions and 14 deletions
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17
sysdeps/unix/sysv/linux/m68k/sysdep.h
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@ -43,13 +43,22 @@
for a real error by making sure the value in %d0 is a real error
number. Linus said he will make sure the no syscall returns a value
in -1 .. -4095 as a valid result so we can savely test with -4095. */
/* We don't want the label for the error handler to be visible in the symbol
table when we define it here. */
#ifdef PIC
#define SYSCALL_ERROR_LABEL .Lsyscall_error
#else
#define SYSCALL_ERROR_LABEL __syscall_error
#endif
#undef PSEUDO
#define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (syscall_name, args); \
cmp.l &-4095, %d0; \
jcc syscall_error
jcc SYSCALL_ERROR_LABEL
#undef PSEUDO_END
#define PSEUDO_END(name) \
@ -60,7 +69,7 @@
/* Store (- %d0) into errno through the GOT. */
#ifdef _LIBC_REENTRANT
#define SYSCALL_ERROR_HANDLER \
syscall_error: \
SYSCALL_ERROR_LABEL: \
neg.l %d0; \
move.l %d0, -(%sp); \
jbsr __errno_location@PLTPC; \
@ -70,9 +79,9 @@ syscall_error: \
a pointer (e.g., mmap). */ \
move.l %d0, %a0; \
rts;
#else
#else /* !_LIBC_REENTRANT */
#define SYSCALL_ERROR_HANDLER \
syscall_error: \
SYSCALL_ERROR_LABEL: \
move.l (errno@GOTPC, %pc), %a0; \
neg.l %d0; \
move.l %d0, (%a0); \