diff options
Diffstat (limited to 'arch/x86/um/user-offsets.c')
| -rw-r--r-- | arch/x86/um/user-offsets.c | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c index ae4cd58c0c7a..d6e1cd9956bf 100644 --- a/arch/x86/um/user-offsets.c +++ b/arch/x86/um/user-offsets.c @@ -1,37 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> #include <stddef.h> #include <signal.h> -#include <sys/poll.h> +#include <poll.h> #include <sys/mman.h> #include <sys/user.h> #define __FRAME_OFFSETS #include <linux/ptrace.h> #include <asm/types.h> +#include <linux/kbuild.h> -#ifdef __i386__ -#define __SYSCALL_I386(nr, sym, qual) [nr] = 1, -static char syscalls[] = { -#include <asm/syscalls_32.h> -}; -#else -#define __SYSCALL_64(nr, sym, qual) [nr] = 1, -static char syscalls[] = { -#include <asm/syscalls_64.h> -}; -#endif - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) +#define DEFINE_LONGS(sym, val) \ + COMMENT(#val " / sizeof(unsigned long)"); \ + DEFINE(sym, val / sizeof(unsigned long)) -#define DEFINE_LONGS(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long))) +/* workaround for a warning with -Wmissing-prototypes */ +void foo(void); void foo(void) { #ifdef __i386__ - DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct)); - DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct)); - DEFINE(HOST_IP, EIP); DEFINE(HOST_SP, UESP); DEFINE(HOST_EFLAGS, EFL); @@ -50,11 +38,6 @@ void foo(void) DEFINE(HOST_GS, GS); DEFINE(HOST_ORIG_AX, ORIG_EAX); #else -#if defined(PTRACE_GETREGSET) && defined(PTRACE_SETREGSET) - DEFINE(HOST_FP_SIZE, sizeof(struct _xstate) / sizeof(unsigned long)); -#else - DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long)); -#endif DEFINE_LONGS(HOST_BX, RBX); DEFINE_LONGS(HOST_CX, RCX); DEFINE_LONGS(HOST_DI, RDI); @@ -93,7 +76,4 @@ void foo(void) DEFINE(UM_PROT_READ, PROT_READ); DEFINE(UM_PROT_WRITE, PROT_WRITE); DEFINE(UM_PROT_EXEC, PROT_EXEC); - - DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); - DEFINE(NR_syscalls, sizeof(syscalls)); } |