diff options
Diffstat (limited to 'arch/arc/include/uapi/asm')
| -rw-r--r-- | arch/arc/include/uapi/asm/Kbuild | 7 | ||||
| -rw-r--r-- | arch/arc/include/uapi/asm/ptrace.h | 16 | ||||
| -rw-r--r-- | arch/arc/include/uapi/asm/unistd.h | 11 |
3 files changed, 21 insertions, 13 deletions
diff --git a/arch/arc/include/uapi/asm/Kbuild b/arch/arc/include/uapi/asm/Kbuild index 18fefaea73f..f50d02df78d 100644 --- a/arch/arc/include/uapi/asm/Kbuild +++ b/arch/arc/include/uapi/asm/Kbuild @@ -2,11 +2,4 @@ include include/uapi/asm-generic/Kbuild.asm header-y += elf.h header-y += page.h -header-y += setup.h -header-y += byteorder.h header-y += cachectl.h -header-y += ptrace.h -header-y += sigcontext.h -header-y += signal.h -header-y += swab.h -header-y += unistd.h diff --git a/arch/arc/include/uapi/asm/ptrace.h b/arch/arc/include/uapi/asm/ptrace.h index 30333cec0fe..76a7739aab1 100644 --- a/arch/arc/include/uapi/asm/ptrace.h +++ b/arch/arc/include/uapi/asm/ptrace.h @@ -11,6 +11,7 @@ #ifndef _UAPI__ASM_ARC_PTRACE_H #define _UAPI__ASM_ARC_PTRACE_H +#define PTRACE_GET_THREAD_AREA 25 #ifndef __ASSEMBLY__ /* @@ -20,28 +21,31 @@ * * This is to decouple pt_regs from user-space ABI, to be able to change it * w/o affecting the ABI. - * Although the layout (initial padding) is similar to pt_regs to have some - * optimizations when copying pt_regs to/from user_regs_struct. + * + * The intermediate pad,pad2 are relics of initial layout based on pt_regs + * for optimizations when copying pt_regs to/from user_regs_struct. + * We no longer need them, but can't be changed as they are part of ABI now. * * Also, sigcontext only care about the scratch regs as that is what we really - * save/restore for signal handling. + * save/restore for signal handling. However gdb also uses the same struct + * hence callee regs need to be in there too. */ struct user_regs_struct { + long pad; struct { - long pad; long bta, lp_start, lp_end, lp_count; long status32, ret, blink, fp, gp; long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; long sp; } scratch; + long pad2; struct { - long pad; long r25, r24, r23, r22, r21, r20; long r19, r18, r17, r16, r15, r14, r13; } callee; long efa; /* break pt addr, for break points in delay slots */ - long stop_pc; /* give dbg stop_pc directly after checking orig_r8 */ + long stop_pc; /* give dbg stop_pc after ensuring brkpt trap */ }; #endif /* !__ASSEMBLY__ */ diff --git a/arch/arc/include/uapi/asm/unistd.h b/arch/arc/include/uapi/asm/unistd.h index 6f30484f34b..39e58d1cdf9 100644 --- a/arch/arc/include/uapi/asm/unistd.h +++ b/arch/arc/include/uapi/asm/unistd.h @@ -8,6 +8,13 @@ /******** no-legacy-syscalls-ABI *******/ +/* + * Non-typical guard macro to enable inclusion twice in ARCH sys.c + * That is how the Generic syscall wrapper generator works + */ +#if !defined(_UAPI_ASM_ARC_UNISTD_H) || defined(__SYSCALL) +#define _UAPI_ASM_ARC_UNISTD_H + #define __ARCH_WANT_SYS_EXECVE #define __ARCH_WANT_SYS_CLONE #define __ARCH_WANT_SYS_VFORK @@ -32,3 +39,7 @@ __SYSCALL(__NR_arc_gettls, sys_arc_gettls) /* Generic syscall (fs/filesystems.c - lost in asm-generic/unistd.h */ #define __NR_sysfs (__NR_arch_specific_syscall + 3) __SYSCALL(__NR_sysfs, sys_sysfs) + +#undef __SYSCALL + +#endif |
