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yaml
---
r: 272998
b: refs/heads/master
c: 6582b7f
h: refs/heads/master
v: v3
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Al Viro authored and Richard Weinberger committed Nov 2, 2011
1 parent c13f459 commit fe56d90
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Showing 52 changed files with 82 additions and 194 deletions.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 858ba94499b4f48e9eb0be7cf0092f1ea9460fef
refs/heads/master: 6582b7f7743da6ce3e3714e9e8b18e0e073d4acd
6 changes: 3 additions & 3 deletions trunk/arch/um/Makefile
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Expand Up @@ -121,8 +121,8 @@ archclean:

# Generated files

$(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
$(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@
$(ARCH_DIR)/sys-$(HEADER_ARCH)/user-offsets.s: FORCE
$(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(HEADER_ARCH) $@

define filechk_gen-asm-offsets
(set -e; \
Expand All @@ -137,7 +137,7 @@ define filechk_gen-asm-offsets
echo ""; )
endef

include/generated/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
include/generated/user_constants.h: $(ARCH_DIR)/sys-$(HEADER_ARCH)/user-offsets.s
$(call filechk,gen-asm-offsets)

export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH
2 changes: 1 addition & 1 deletion trunk/arch/um/Makefile-i386
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@@ -1,4 +1,4 @@
core-y += arch/um/sys-i386/ arch/x86/crypto/
core-y += arch/um/sys-x86/ arch/x86/crypto/

TOP_ADDR := $(CONFIG_TOP_ADDR)

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2 changes: 1 addition & 1 deletion trunk/arch/um/Makefile-x86_64
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@@ -1,7 +1,7 @@
# Copyright 2003 - 2004 Pathscale, Inc
# Released under the GPL

core-y += arch/um/sys-x86_64/ arch/x86/crypto/
core-y += arch/um/sys-x86/ arch/x86/crypto/
START := 0x60000000

_extra_flags_ = -fno-builtin -m64
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24 changes: 0 additions & 24 deletions trunk/arch/um/sys-i386/Makefile

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21 changes: 0 additions & 21 deletions trunk/arch/um/sys-i386/bug.c

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5 changes: 0 additions & 5 deletions trunk/arch/um/sys-i386/ksyms.c

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53 changes: 0 additions & 53 deletions trunk/arch/um/sys-i386/user-offsets.c

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45 changes: 45 additions & 0 deletions trunk/arch/um/sys-x86/Makefile
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@@ -0,0 +1,45 @@
#
# Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
#

ifeq ($(CONFIG_X86_32),y)
BITS := 32
else
BITS := 64
endif

obj-y = bug.o bugs_$(BITS).o delay_$(BITS).o fault.o ksyms.o ldt.o \
ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal_$(BITS).o \
stub_$(BITS).o stub_segv_$(BITS).o syscalls_$(BITS).o \
sys_call_table_$(BITS).o sysrq_$(BITS).o tls_$(BITS).o mem_$(BITS).o

ifeq ($(CONFIG_X86_32),y)

obj-y += checksum_32.o
obj-$(CONFIG_BINFMT_ELF) += elfcore.o

subarch-obj-y = lib/string_32.o lib/atomic64_32.o lib/atomic64_cx8_32.o
subarch-obj-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += lib/rwsem.o
subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem_32.o
subarch-obj-$(CONFIG_MODULES) += kernel/module.o

else

obj-y += vdso/

subarch-obj-y = lib/csum-partial_64.o lib/memcpy_64.o lib/thunk_64.o \
lib/rwsem.o

endif

subarch-obj-$(CONFIG_MODULES) += kernel/module.o

USER_OBJS := bugs_$(BITS).o ptrace_user.o fault.o

extra-y += user-offsets.s
$(obj)/user-offsets.s: c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS)

UNPROFILE_OBJS := stub_segv.o
CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)

include arch/um/scripts/Makefile.rules
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Expand Up @@ -2,10 +2,12 @@
#include <asm/string.h>
#include <asm/checksum.h>

#ifndef CONFIG_X86_32
/*XXX: we need them because they would be exported by x86_64 */
#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
EXPORT_SYMBOL(memcpy);
#else
EXPORT_SYMBOL(__memcpy);
#endif
#endif
EXPORT_SYMBOL(csum_partial);
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Expand Up @@ -4,7 +4,7 @@
*/

#include <errno.h>
#include <sys/ptrace.h>
#include "ptrace_user.h"

int ptrace_getregs(long pid, unsigned long *regs_out)
{
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Expand Up @@ -9,20 +9,41 @@
#include <asm/types.h>

#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
asm volatile("\n->" #sym " %0 " #val : : "i" (val))

#define DEFINE_LONGS(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))

#define OFFSET(sym, str, mem) \
DEFINE(sym, offsetof(struct str, mem));

void foo(void)
{
OFFSET(HOST_SC_CR2, sigcontext, cr2);
OFFSET(HOST_SC_ERR, sigcontext, err);
OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
OFFSET(HOST_SC_ERR, sigcontext, err);
OFFSET(HOST_SC_CR2, sigcontext, cr2);

#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);
DEFINE(HOST_EAX, EAX);
DEFINE(HOST_EBX, EBX);
DEFINE(HOST_ECX, ECX);
DEFINE(HOST_EDX, EDX);
DEFINE(HOST_ESI, ESI);
DEFINE(HOST_EDI, EDI);
DEFINE(HOST_EBP, EBP);
DEFINE(HOST_CS, CS);
DEFINE(HOST_SS, SS);
DEFINE(HOST_DS, DS);
DEFINE(HOST_FS, FS);
DEFINE(HOST_ES, ES);
DEFINE(HOST_GS, GS);
#else
DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
DEFINE_LONGS(HOST_RBX, RBX);
DEFINE_LONGS(HOST_RCX, RCX);
Expand Down Expand Up @@ -52,9 +73,9 @@ void foo(void)

DEFINE_LONGS(HOST_IP, RIP);
DEFINE_LONGS(HOST_SP, RSP);
DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
#endif

/* XXX Duplicated between i386 and x86_64 */
DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
DEFINE(UM_POLLIN, POLLIN);
DEFINE(UM_POLLPRI, POLLPRI);
DEFINE(UM_POLLOUT, POLLOUT);
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Expand Up @@ -4,7 +4,7 @@ __INITDATA

.globl vdso_start, vdso_end
vdso_start:
.incbin "arch/um/sys-x86_64/vdso/vdso.so"
.incbin "arch/um/sys-x86/vdso/vdso.so"
vdso_end:

__FINIT
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27 changes: 0 additions & 27 deletions trunk/arch/um/sys-x86_64/Makefile

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28 changes: 0 additions & 28 deletions trunk/arch/um/sys-x86_64/fault.c

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22 changes: 0 additions & 22 deletions trunk/arch/um/sys-x86_64/ptrace_user.c

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