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Remove mmap64 alias.

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Optimise error handling a little.
This commit is contained in:
Ulrich Drepper 2000-01-03 23:23:55 +00:00
parent f58579b4b3
commit 21ee1c6f7b
1 changed files with 6 additions and 7 deletions
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13
sysdeps/unix/sysv/linux/arm/mmap.S
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@ -1,4 +1,4 @@
/* Copyright (C) 1998 Free Software Foundation, Inc.
/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -23,12 +23,12 @@
ENTRY (__mmap)
/* Because we can only get five args through the syscall interface, and
mmap() takes six, we need to build a parameter block and pass its
mmap() takes six, we need to build a parameter block and pass its
address instead. The 386 port does a similar trick. */
/* This code previously moved sp into ip and stored the args using
stmdb ip!, {a1-a4}. It did not modify sp, so the stack never had
to be restored after the syscall completed. It saved an
stmdb ip!, {a1-a4}. It did not modify sp, so the stack never had
to be restored after the syscall completed. It saved an
instruction and meant no stack cleanup work was required.
This will not work in the case of a mmap call being interrupted
@ -47,10 +47,9 @@ ENTRY (__mmap)
add sp, sp, #16
cmn r0, $4096
bhs PLTJMP(syscall_error);
ret
RETINSTR(movcc, pc, lr)
b PLTJMP(syscall_error);
PSEUDO_END (__mmap)
weak_alias (__mmap, mmap)
weak_alias (__mmap, mmap64)