From 1a28c6eade3046e73da0e80bbb7c377f24f514c7 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Tue, 16 Jul 2019 23:07:49 -0400 Subject: [PATCH] fix broken lseek on x32 (x86_64/ILP32) with offsets larger than LONG_MAX this is analogous to commit 918c5fa0fc656e49b1ab9ce47183a23e3a36bc00 which fixed the corresponding issue for mips n32. --- src/unistd/x32/lseek.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 src/unistd/x32/lseek.c diff --git a/src/unistd/x32/lseek.c b/src/unistd/x32/lseek.c new file mode 100644 index 00000000..32636429 --- /dev/null +++ b/src/unistd/x32/lseek.c @@ -0,0 +1,15 @@ +#include +#include "syscall.h" + +off_t __lseek(int fd, off_t offset, int whence) +{ + off_t ret; + __asm__ __volatile__ ("syscall" + : "=a"(ret) + : "a"(SYS_lseek), "D"(fd), "S"(offset), "d"(whence) + : "rcx", "r11", "memory"); + return ret < 0 ? __syscall_ret(ret) : ret; +} + +weak_alias(__lseek, lseek); +weak_alias(__lseek, lseek64); -- 2.25.1