kboot: sort system calls
Sort the system calls. No functional change intended. Sponsored by: Netflix
This commit is contained in:
parent
43ad112b93
commit
201c1d0d25
@ -32,13 +32,9 @@
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long host_syscall(int number, ...);
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ssize_t host_read(int fd, void *buf, size_t nbyte);
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ssize_t host_write(int fd, const void *buf, size_t nbyte);
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int host_open(const char *path, int flags, int mode);
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ssize_t host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, int whence);
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int host_close(int fd);
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void *host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off);
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#define host_getmem(size) host_mmap(0, size, 3 /* RW */, 0x22 /* ANON */, -1, 0);
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/*
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* Data types
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*/
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struct old_utsname {
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char sysname[65];
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char nodename[65];
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@ -46,16 +42,32 @@ struct old_utsname {
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char version[65];
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char machine[65];
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};
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int host_uname(struct old_utsname *);
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struct host_timeval {
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time_t tv_sec;
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long tv_usec;
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};
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/*
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* System Calls
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*/
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int host_close(int fd);
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int host_getdents(int fd, void *dirp, int count);
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int host_gettimeofday(struct host_timeval *a, void *b);
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int kexec_load(uint32_t start, int nsegs, uint32_t segs);
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ssize_t host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, int whence);
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void *host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off);
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int host_open(const char *path, int flags, int mode);
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ssize_t host_read(int fd, void *buf, size_t nbyte);
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int host_reboot(int, int, int, uintptr_t);
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int host_select(int nfds, long *readfds, long *writefds, long *exceptfds,
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struct host_timeval *timeout);
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int kexec_load(uint32_t start, int nsegs, uint32_t segs);
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int host_reboot(int, int, int, uintptr_t);
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int host_getdents(int fd, void *dirp, int count);
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int host_uname(struct old_utsname *);
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ssize_t host_write(int fd, const void *buf, size_t nbyte);
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/*
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* Wrappers / one-liners
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*/
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#define host_getmem(size) host_mmap(0, size, 3 /* RW */, 0x22 /* ANON */, -1, 0);
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#endif
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@ -2,24 +2,33 @@
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#include "syscall_nr.h"
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#include <stand.h>
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ssize_t
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host_read(int fd, void *buf, size_t nbyte)
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{
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return host_syscall(SYS_read, fd, (uintptr_t)buf, nbyte);
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/* XXX original overrode errors */
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}
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/*
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* Various trivial wrappers for Linux system calls. Please keep sorted
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* alphabetically.
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*/
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ssize_t
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host_write(int fd, const void *buf, size_t nbyte)
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int
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host_close(int fd)
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{
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return host_syscall(SYS_write, fd, (uintptr_t)buf, nbyte);
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return host_syscall(SYS_close, fd);
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}
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int
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host_open(const char *path, int flags, int mode)
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host_getdents(int fd, void *dirp, int count)
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{
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return host_syscall(SYS_open, (uintptr_t)path, flags, mode);
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/* XXX original overrode errors */
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return host_syscall(SYS_getdents, fd, (uintptr_t)dirp, count);
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}
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int
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host_gettimeofday(struct host_timeval *a, void *b)
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{
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return host_syscall(SYS_gettimeofday, (uintptr_t)a, (uintptr_t)b);
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}
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int
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kexec_load(uint32_t start, int nsegs, uint32_t segs)
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{
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return host_syscall(SYS_kexec_load, start, nsegs, segs, KEXEC_ARCH << 16);
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}
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ssize_t
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@ -36,12 +45,6 @@ host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, in
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#endif
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}
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int
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host_close(int fd)
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{
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return host_syscall(SYS_close, fd);
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}
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void *
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host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off)
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{
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@ -49,15 +52,23 @@ host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off)
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}
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int
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host_uname(struct old_utsname *uts)
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host_open(const char *path, int flags, int mode)
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{
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return host_syscall(SYS_uname, (uintptr_t)uts);
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return host_syscall(SYS_open, (uintptr_t)path, flags, mode);
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/* XXX original overrode errors */
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}
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ssize_t
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host_read(int fd, void *buf, size_t nbyte)
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{
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return host_syscall(SYS_read, fd, (uintptr_t)buf, nbyte);
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/* XXX original overrode errors */
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}
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int
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host_gettimeofday(struct host_timeval *a, void *b)
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host_reboot(int magic1, int magic2, int cmd, uintptr_t arg)
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{
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return host_syscall(SYS_gettimeofday, (uintptr_t)a, (uintptr_t)b);
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return host_syscall(SYS_reboot, magic1, magic2, cmd, arg);
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}
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int
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@ -68,19 +79,13 @@ host_select(int nfds, long *readfds, long *writefds, long *exceptfds,
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}
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int
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kexec_load(uint32_t start, int nsegs, uint32_t segs)
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host_uname(struct old_utsname *uts)
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{
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return host_syscall(SYS_kexec_load, start, nsegs, segs, KEXEC_ARCH << 16);
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return host_syscall(SYS_uname, (uintptr_t)uts);
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}
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int
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host_reboot(int magic1, int magic2, int cmd, uintptr_t arg)
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ssize_t
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host_write(int fd, const void *buf, size_t nbyte)
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{
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return host_syscall(SYS_reboot, magic1, magic2, cmd, arg);
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}
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int
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host_getdents(int fd, void *dirp, int count)
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{
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return host_syscall(SYS_getdents, fd, (uintptr_t)dirp, count);
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return host_syscall(SYS_write, fd, (uintptr_t)buf, nbyte);
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}
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