diff options
| -rw-r--r-- | arch/x86/entry/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/entry/syscall_64.c | 13 | ||||
| -rw-r--r-- | arch/x86/entry/syscall_x32.c | 25 |
3 files changed, 13 insertions, 26 deletions
diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile index 5fd28abfd5a0..e870f8aa936c 100644 --- a/arch/x86/entry/Makefile +++ b/arch/x86/entry/Makefile @@ -27,4 +27,3 @@ CFLAGS_REMOVE_entry_fred.o += -pg $(CC_FLAGS_FTRACE) obj-$(CONFIG_X86_FRED) += entry_64_fred.o entry_fred.o obj-$(CONFIG_IA32_EMULATION) += entry_64_compat.o syscall_32.o -obj-$(CONFIG_X86_X32_ABI) += syscall_x32.o diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c index e0c62d5a397c..a05f7be8a0e2 100644 --- a/arch/x86/entry/syscall_64.c +++ b/arch/x86/entry/syscall_64.c @@ -12,6 +12,9 @@ #define __SYSCALL(nr, sym) extern long __x64_##sym(const struct pt_regs *); #define __SYSCALL_NORETURN(nr, sym) extern long __noreturn __x64_##sym(const struct pt_regs *); #include <asm/syscalls_64.h> +#ifdef CONFIG_X86_X32_ABI +#include <asm/syscalls_x32.h> +#endif #undef __SYSCALL #undef __SYSCALL_NORETURN @@ -37,6 +40,16 @@ long x64_sys_call(const struct pt_regs *regs, unsigned int nr) } }; +#ifdef CONFIG_X86_X32_ABI +long x32_sys_call(const struct pt_regs *regs, unsigned int nr) +{ + switch (nr) { + #include <asm/syscalls_x32.h> + default: return __x64_sys_ni_syscall(regs); + } +}; +#endif + static __always_inline bool do_syscall_x64(struct pt_regs *regs, int nr) { /* diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c deleted file mode 100644 index fb77908f44f3..000000000000 --- a/arch/x86/entry/syscall_x32.c +++ /dev/null @@ -1,25 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* System call table for x32 ABI. */ - -#include <linux/linkage.h> -#include <linux/sys.h> -#include <linux/cache.h> -#include <linux/syscalls.h> -#include <asm/syscall.h> - -#define __SYSCALL(nr, sym) extern long __x64_##sym(const struct pt_regs *); -#define __SYSCALL_NORETURN(nr, sym) extern long __noreturn __x64_##sym(const struct pt_regs *); -#include <asm/syscalls_x32.h> -#undef __SYSCALL - -#undef __SYSCALL_NORETURN -#define __SYSCALL_NORETURN __SYSCALL - -#define __SYSCALL(nr, sym) case nr: return __x64_##sym(regs); -long x32_sys_call(const struct pt_regs *regs, unsigned int nr) -{ - switch (nr) { - #include <asm/syscalls_x32.h> - default: return __x64_sys_ni_syscall(regs); - } -}; |