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authorAl Viro2018-03-19 21:08:33 -0400
committerAl Viro2018-03-20 12:01:23 -0400
commita00a700bdea86442c0d63a6bc7cc9d03a47e1d09 (patch)
tree14104d4e88b36769952cc178cc2732220e9db3be /arch/sparc
parentdd19958ce8417f4b25d29c7619dbc3929ca8d6d0 (diff)
sparc: get rid of remaining SIGN... wrappers
just convert compat_sys_{readahead,fadvise64,fadvise64_64} to COMPAT_SYSCALL_DEFINE Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/sys32.S28
-rw-r--r--arch/sparc/kernel/sys_sparc32.c26
-rw-r--r--arch/sparc/kernel/systbls.h12
-rw-r--r--arch/sparc/kernel/systbls_64.S4
4 files changed, 18 insertions, 52 deletions
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index fba545787f81..489ffab918a8 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -13,34 +13,6 @@
.text
-#define SIGN1(STUB,SYSCALL,REG1) \
- .align 32; \
- .globl STUB; \
-STUB: sethi %hi(SYSCALL), %g1; \
- jmpl %g1 + %lo(SYSCALL), %g0; \
- sra REG1, 0, REG1
-
-#define SIGN2(STUB,SYSCALL,REG1,REG2) \
- .align 32; \
- .globl STUB; \
-STUB: sethi %hi(SYSCALL), %g1; \
- sra REG1, 0, REG1; \
- jmpl %g1 + %lo(SYSCALL), %g0; \
- sra REG2, 0, REG2
-
-#define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
- .align 32; \
- .globl STUB; \
-STUB: sra REG1, 0, REG1; \
- sethi %hi(SYSCALL), %g1; \
- sra REG2, 0, REG2; \
- jmpl %g1 + %lo(SYSCALL), %g0; \
- sra REG3, 0, REG3
-
-SIGN1(sys32_readahead, compat_sys_readahead, %o0)
-SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
-SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
-
.globl sys32_mmap2
sys32_mmap2:
sethi %hi(sys_mmap), %g1
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index 6d964bdefbaa..9b0c569267bf 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -212,30 +212,24 @@ asmlinkage compat_ssize_t sys32_pwrite64(unsigned int fd,
return sys_pwrite64(fd, ubuf, count, (poshi << 32) | poslo);
}
-asmlinkage long compat_sys_readahead(int fd,
- unsigned long offhi,
- unsigned long offlo,
- compat_size_t count)
+COMPAT_SYSCALL_DEFINE4(readahead, int, fd, u32, offhi, u32, offlo,
+ compat_size_t, count)
{
- return sys_readahead(fd, (offhi << 32) | offlo, count);
+ return sys_readahead(fd, ((u64)offhi << 32) | offlo, count);
}
-long compat_sys_fadvise64(int fd,
- unsigned long offhi,
- unsigned long offlo,
- compat_size_t len, int advice)
+COMPAT_SYSCALL_DEFINE5(fadvise64, int, fd, u32, offhi, u32, offlo,
+ compat_size_t, len, int, advice)
{
- return sys_fadvise64_64(fd, (offhi << 32) | offlo, len, advice);
+ return sys_fadvise64_64(fd, ((u64)offhi << 32) | offlo, len, advice);
}
-long compat_sys_fadvise64_64(int fd,
- unsigned long offhi, unsigned long offlo,
- unsigned long lenhi, unsigned long lenlo,
- int advice)
+COMPAT_SYSCALL_DEFINE6(fadvise64_64, int, fd, u32, offhi, u32, offlo,
+ u32, lenhi, u32, lenlo, int, advice)
{
return sys_fadvise64_64(fd,
- (offhi << 32) | offlo,
- (lenhi << 32) | lenlo,
+ ((u64)offhi << 32) | offlo,
+ ((u64)lenhi << 32) | lenlo,
advice);
}
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index 0c9434d980d7..4aca08e3ddef 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -77,16 +77,16 @@ asmlinkage compat_ssize_t sys32_pwrite64(unsigned int fd,
unsigned long poshi,
unsigned long poslo);
asmlinkage long compat_sys_readahead(int fd,
- unsigned long offhi,
- unsigned long offlo,
+ unsigned offhi,
+ unsigned offlo,
compat_size_t count);
long compat_sys_fadvise64(int fd,
- unsigned long offhi,
- unsigned long offlo,
+ unsigned offhi,
+ unsigned offlo,
compat_size_t len, int advice);
long compat_sys_fadvise64_64(int fd,
- unsigned long offhi, unsigned long offlo,
- unsigned long lenhi, unsigned long lenlo,
+ unsigned offhi, unsigned offlo,
+ unsigned lenhi, unsigned lenlo,
int advice);
long sys32_sync_file_range(unsigned int fd,
unsigned long off_high, unsigned long off_low,
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index a5c7d23cddf0..96b6b64ce579 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -60,8 +60,8 @@ sys_call_table32:
/*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
.word sys_epoll_wait, sys_ioprio_set, sys_getppid, compat_sys_sparc_sigaction, sys_sgetmask
/*200*/ .word sys_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir
- .word sys32_readahead, sys32_socketcall, sys_syslog, compat_sys_lookup_dcookie, sys32_fadvise64
-/*210*/ .word sys32_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, compat_sys_sysinfo
+ .word compat_sys_readahead, sys32_socketcall, sys_syslog, compat_sys_lookup_dcookie, compat_sys_fadvise64
+/*210*/ .word compat_sys_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, compat_sys_sysinfo
.word compat_sys_ipc, sys32_sigreturn, sys_clone, sys_ioprio_get, compat_sys_adjtimex
/*220*/ .word compat_sys_sigprocmask, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid
.word sys_bdflush, sys_sysfs, sys_nis_syscall, sys_setfsuid16, sys_setfsgid16