summaryrefslogtreecommitdiff
path: root/arch/x86/um
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/um')
-rw-r--r--arch/x86/um/Makefile2
-rw-r--r--arch/x86/um/asm/barrier.h9
-rw-r--r--arch/x86/um/asm/syscall.h1
-rw-r--r--arch/x86/um/os-Linux/task_size.c4
-rw-r--r--arch/x86/um/ptrace_32.c8
5 files changed, 8 insertions, 16 deletions
diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index a8fecc226..3ee2bb6b4 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -17,7 +17,7 @@ obj-y = bug.o bugs_$(BITS).o delay.o fault.o ksyms.o ldt.o \
ifeq ($(CONFIG_X86_32),y)
obj-y += checksum_32.o
-obj-$(CONFIG_BINFMT_ELF) += elfcore.o
+obj-$(CONFIG_ELF_CORE) += elfcore.o
subarch-y = ../lib/string_32.o ../lib/atomic64_32.o ../lib/atomic64_cx8_32.o
subarch-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += ../lib/rwsem.o
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h
index 755481f14..174781a40 100644
--- a/arch/x86/um/asm/barrier.h
+++ b/arch/x86/um/asm/barrier.h
@@ -36,13 +36,6 @@
#endif /* CONFIG_X86_PPRO_FENCE */
#define dma_wmb() barrier()
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-
-#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); barrier(); } while (0)
-
-#define read_barrier_depends() do { } while (0)
-#define smp_read_barrier_depends() do { } while (0)
+#include <asm-generic/barrier.h>
#endif
diff --git a/arch/x86/um/asm/syscall.h b/arch/x86/um/asm/syscall.h
index 81d6562ce..11ab90dc5 100644
--- a/arch/x86/um/asm/syscall.h
+++ b/arch/x86/um/asm/syscall.h
@@ -1,6 +1,7 @@
#ifndef __UM_ASM_SYSCALL_H
#define __UM_ASM_SYSCALL_H
+#include <asm/syscall-generic.h>
#include <uapi/linux/audit.h>
typedef asmlinkage long (*sys_call_ptr_t)(unsigned long, unsigned long,
diff --git a/arch/x86/um/os-Linux/task_size.c b/arch/x86/um/os-Linux/task_size.c
index 8502ad30e..5adb6a2fd 100644
--- a/arch/x86/um/os-Linux/task_size.c
+++ b/arch/x86/um/os-Linux/task_size.c
@@ -109,7 +109,7 @@ unsigned long os_get_top_address(void)
exit(1);
}
- printf("0x%x\n", bottom << UM_KERN_PAGE_SHIFT);
+ printf("0x%lx\n", bottom << UM_KERN_PAGE_SHIFT);
printf("Locating the top of the address space ... ");
fflush(stdout);
@@ -134,7 +134,7 @@ out:
exit(1);
}
top <<= UM_KERN_PAGE_SHIFT;
- printf("0x%x\n", top);
+ printf("0x%lx\n", top);
return top;
}
diff --git a/arch/x86/um/ptrace_32.c b/arch/x86/um/ptrace_32.c
index a29756f2d..47c78d5e5 100644
--- a/arch/x86/um/ptrace_32.c
+++ b/arch/x86/um/ptrace_32.c
@@ -68,6 +68,7 @@ static const int reg_offsets[] = {
[EFL] = HOST_EFLAGS,
[UESP] = HOST_SP,
[SS] = HOST_SS,
+ [ORIG_EAX] = HOST_ORIG_AX,
};
int putreg(struct task_struct *child, int regno, unsigned long value)
@@ -83,6 +84,7 @@ int putreg(struct task_struct *child, int regno, unsigned long value)
case EAX:
case EIP:
case UESP:
+ case ORIG_EAX:
break;
case FS:
if (value && (value & 3) != 3)
@@ -108,9 +110,6 @@ int putreg(struct task_struct *child, int regno, unsigned long value)
value &= FLAG_MASK;
child->thread.regs.regs.gp[HOST_EFLAGS] |= value;
return 0;
- case ORIG_EAX:
- child->thread.regs.regs.syscall = value;
- return 0;
default :
panic("Bad register in putreg() : %d\n", regno);
}
@@ -143,8 +142,6 @@ unsigned long getreg(struct task_struct *child, int regno)
regno >>= 2;
switch (regno) {
- case ORIG_EAX:
- return child->thread.regs.regs.syscall;
case FS:
case GS:
case DS:
@@ -163,6 +160,7 @@ unsigned long getreg(struct task_struct *child, int regno)
case EDI:
case EBP:
case EFL:
+ case ORIG_EAX:
break;
default:
panic("Bad register in getreg() : %d\n", regno);