__NR_syscall_max is done in x86_64 asm-offsets; do an equivalent in
uml kern_constants.h
Signed-off-by: Al Viro <[email protected]>
---
arch/um/include/sysdep-x86_64/kernel-offsets.h | 9 +++++++++
arch/um/include/sysdep-x86_64/syscalls.h | 3 ++-
arch/um/sys-x86_64/syscall_table.c | 5 +++--
3 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/arch/um/include/sysdep-x86_64/kernel-offsets.h b/arch/um/include/sysdep-x86_64/kernel-offsets.h
index a307237..c978b58 100644
--- a/arch/um/include/sysdep-x86_64/kernel-offsets.h
+++ b/arch/um/include/sysdep-x86_64/kernel-offsets.h
@@ -17,7 +17,16 @@
#define OFFSET(sym, str, mem) \
DEFINE(sym, offsetof(struct str, mem));
+#define __NO_STUBS 1
+#undef __SYSCALL
+#undef _ASM_X86_64_UNISTD_H_
+#define __SYSCALL(nr, sym) [nr] = 1,
+static char syscalls[] = {
+#include <asm/arch/unistd.h>
+};
+
void foo(void)
{
#include <common-offsets.h>
+DEFINE(UM_NR_syscall_max, sizeof(syscalls) - 1);
}
diff --git a/arch/um/include/sysdep-x86_64/syscalls.h b/arch/um/include/sysdep-x86_64/syscalls.h
index 5e86aa0..cf72256 100644
--- a/arch/um/include/sysdep-x86_64/syscalls.h
+++ b/arch/um/include/sysdep-x86_64/syscalls.h
@@ -9,6 +9,7 @@
#include <linux/msg.h>
#include <linux/shm.h>
+#include <kern_constants.h>
typedef long syscall_handler_t(void);
@@ -29,6 +30,6 @@ extern long old_mmap(unsigned long addr, unsigned long len,
extern syscall_handler_t sys_modify_ldt;
extern syscall_handler_t sys_arch_prctl;
-#define NR_syscalls (__NR_syscall_max + 1)
+#define NR_syscalls (UM_NR_syscall_max + 1)
#endif
diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c
index 9e9ad72..5133988 100644
--- a/arch/um/sys-x86_64/syscall_table.c
+++ b/arch/um/sys-x86_64/syscall_table.c
@@ -4,6 +4,7 @@
#include <linux/linkage.h>
#include <linux/sys.h>
#include <linux/cache.h>
+#include <kern_constants.h>
#define __NO_STUBS
@@ -45,8 +46,8 @@ typedef void (*sys_call_ptr_t)(void);
extern void sys_ni_syscall(void);
-sys_call_ptr_t sys_call_table[__NR_syscall_max+1] __cacheline_aligned = {
+sys_call_ptr_t sys_call_table[UM_NR_syscall_max+1] __cacheline_aligned = {
/* Smells like a like a compiler bug -- it doesn't work when the & below is removed. */
- [0 ... __NR_syscall_max] = &sys_ni_syscall,
+ [0 ... UM_NR_syscall_max] = &sys_ni_syscall,
#include <asm-x86_64/unistd.h>
};
--
1.5.0-rc2.GIT
-
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