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linux-user: Merge pread/pwrite into pread64/pwrite64

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The Linux syscalls underlying pread() and pwrite() take a 64 bit
offset on all architectures, even if some of them name the syscall
"pread/pwrite" rather than "pread64/pwrite64" for historical reasons.
So move the four QEMU target architectures (arm, i386, sparc,
unicore32) which were defining TARGET_NR_pread/pwrite to define
TARGET_NR_pread64/pwrite64 instead, and drop the TARGET_NR_pread/pwrite
implementation code completely.

(Based on examination of the kernel sources for the four architectures
this patch affects.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Peter Maydell 2012-10-12 03:55:51 +00:00 • committed by Blue Swirl
parent f877d09e63
commit 24c35a504e
6 changed files with 8 additions and 32 deletions
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4
linux-user/arm/syscall_nr.h
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@ -182,8 +182,8 @@
#define TARGET_NR_rt_sigtimedwait (177)
#define TARGET_NR_rt_sigqueueinfo (178)
#define TARGET_NR_rt_sigsuspend (179)
#define TARGET_NR_pread (180)
#define TARGET_NR_pwrite (181)
#define TARGET_NR_pread64 (180)
#define TARGET_NR_pwrite64 (181)
#define TARGET_NR_chown (182)
#define TARGET_NR_getcwd (183)
#define TARGET_NR_capget (184)