The patch titled
revert x86_64-mm-i386-pda-asm-offsets
has been removed from the -mm tree. Its filename is
revert-x86_64-mm-i386-pda-asm-offsets.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: revert x86_64-mm-i386-pda-asm-offsets
From: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/i386/kernel/asm-offsets.c | 17 ----
arch/i386/kernel/entry.S | 118 +++++++++++++++++--------------
2 files changed, 67 insertions(+), 68 deletions(-)
diff -puN arch/i386/kernel/asm-offsets.c~revert-x86_64-mm-i386-pda-asm-offsets arch/i386/kernel/asm-offsets.c
--- a/arch/i386/kernel/asm-offsets.c~revert-x86_64-mm-i386-pda-asm-offsets
+++ a/arch/i386/kernel/asm-offsets.c
@@ -58,23 +58,6 @@ void foo(void)
OFFSET(TI_sysenter_return, thread_info, sysenter_return);
BLANK();
- OFFSET(PT_EBX, pt_regs, ebx);
- OFFSET(PT_ECX, pt_regs, ecx);
- OFFSET(PT_EDX, pt_regs, edx);
- OFFSET(PT_ESI, pt_regs, esi);
- OFFSET(PT_EDI, pt_regs, edi);
- OFFSET(PT_EBP, pt_regs, ebp);
- OFFSET(PT_EAX, pt_regs, eax);
- OFFSET(PT_DS, pt_regs, xds);
- OFFSET(PT_ES, pt_regs, xes);
- OFFSET(PT_ORIG_EAX, pt_regs, orig_eax);
- OFFSET(PT_EIP, pt_regs, eip);
- OFFSET(PT_CS, pt_regs, xcs);
- OFFSET(PT_EFLAGS, pt_regs, eflags);
- OFFSET(PT_OLDESP, pt_regs, esp);
- OFFSET(PT_OLDSS, pt_regs, xss);
- BLANK();
-
OFFSET(EXEC_DOMAIN_handler, exec_domain, handler);
OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
BLANK();
diff -puN arch/i386/kernel/entry.S~revert-x86_64-mm-i386-pda-asm-offsets arch/i386/kernel/entry.S
--- a/arch/i386/kernel/entry.S~revert-x86_64-mm-i386-pda-asm-offsets
+++ a/arch/i386/kernel/entry.S
@@ -53,6 +53,22 @@
#define nr_syscalls ((syscall_table_size)/4)
+EBX = 0x00
+ECX = 0x04
+EDX = 0x08
+ESI = 0x0C
+EDI = 0x10
+EBP = 0x14
+EAX = 0x18
+DS = 0x1C
+ES = 0x20
+ORIG_EAX = 0x24
+EIP = 0x28
+CS = 0x2C
+EFLAGS = 0x30
+OLDESP = 0x34
+OLDSS = 0x38
+
CF_MASK = 0x00000001
TF_MASK = 0x00000100
IF_MASK = 0x00000200
@@ -76,7 +92,7 @@ VM_MASK = 0x00020000
.macro TRACE_IRQS_IRET
#ifdef CONFIG_TRACE_IRQFLAGS
- testl $IF_MASK,PT_EFLAGS(%esp) # interrupts off?
+ testl $IF_MASK,EFLAGS(%esp) # interrupts off?
jz 1f
TRACE_IRQS_ON
1:
@@ -182,18 +198,18 @@ VM_MASK = 0x00020000
#define RING0_PTREGS_FRAME \
CFI_STARTPROC simple;\
CFI_SIGNAL_FRAME;\
- CFI_DEF_CFA esp, PT_OLDESP-PT_EBX;\
- /*CFI_OFFSET cs, PT_CS-PT_OLDESP;*/\
- CFI_OFFSET eip, PT_EIP-PT_OLDESP;\
- /*CFI_OFFSET es, PT_ES-PT_OLDESP;*/\
- /*CFI_OFFSET ds, PT_DS-PT_OLDESP;*/\
- CFI_OFFSET eax, PT_EAX-PT_OLDESP;\
- CFI_OFFSET ebp, PT_EBP-PT_OLDESP;\
- CFI_OFFSET edi, PT_EDI-PT_OLDESP;\
- CFI_OFFSET esi, PT_ESI-PT_OLDESP;\
- CFI_OFFSET edx, PT_EDX-PT_OLDESP;\
- CFI_OFFSET ecx, PT_ECX-PT_OLDESP;\
- CFI_OFFSET ebx, PT_EBX-PT_OLDESP
+ CFI_DEF_CFA esp, OLDESP-EBX;\
+ /*CFI_OFFSET cs, CS-OLDESP;*/\
+ CFI_OFFSET eip, EIP-OLDESP;\
+ /*CFI_OFFSET es, ES-OLDESP;*/\
+ /*CFI_OFFSET ds, DS-OLDESP;*/\
+ CFI_OFFSET eax, EAX-OLDESP;\
+ CFI_OFFSET ebp, EBP-OLDESP;\
+ CFI_OFFSET edi, EDI-OLDESP;\
+ CFI_OFFSET esi, ESI-OLDESP;\
+ CFI_OFFSET edx, EDX-OLDESP;\
+ CFI_OFFSET ecx, ECX-OLDESP;\
+ CFI_OFFSET ebx, EBX-OLDESP
ENTRY(ret_from_fork)
CFI_STARTPROC
@@ -225,8 +241,8 @@ ret_from_exception:
ret_from_intr:
GET_THREAD_INFO(%ebp)
check_userspace:
- movl PT_EFLAGS(%esp), %eax # mix EFLAGS and CS
- movb PT_CS(%esp), %al
+ movl EFLAGS(%esp), %eax # mix EFLAGS and CS
+ movb CS(%esp), %al
andl $(VM_MASK | SEGMENT_RPL_MASK), %eax
cmpl $USER_RPL, %eax
jb resume_kernel # not returning to v8086 or userspace
@@ -249,7 +265,7 @@ need_resched:
movl TI_flags(%ebp), %ecx # need_resched set ?
testb $_TIF_NEED_RESCHED, %cl
jz restore_all
- testl $IF_MASK,PT_EFLAGS(%esp) # interrupts off (exception path) ?
+ testl $IF_MASK,EFLAGS(%esp) # interrupts off (exception path) ?
jz restore_all
call preempt_schedule_irq
jmp need_resched
@@ -315,15 +331,15 @@ sysenter_past_esp:
cmpl $(nr_syscalls), %eax
jae syscall_badsys
call *sys_call_table(,%eax,4)
- movl %eax,PT_EAX(%esp)
+ movl %eax,EAX(%esp)
DISABLE_INTERRUPTS
TRACE_IRQS_OFF
movl TI_flags(%ebp), %ecx
testw $_TIF_ALLWORK_MASK, %cx
jne syscall_exit_work
/* if something modifies registers it must also disable sysexit */
- movl PT_EIP(%esp), %edx
- movl PT_OLDESP(%esp), %ecx
+ movl EIP(%esp), %edx
+ movl OLDESP(%esp), %ecx
xorl %ebp,%ebp
TRACE_IRQS_ON
ENABLE_INTERRUPTS_SYSEXIT
@@ -337,7 +353,7 @@ ENTRY(system_call)
CFI_ADJUST_CFA_OFFSET 4
SAVE_ALL
GET_THREAD_INFO(%ebp)
- testl $TF_MASK,PT_EFLAGS(%esp)
+ testl $TF_MASK,EFLAGS(%esp)
jz no_singlestep
orl $_TIF_SINGLESTEP,TI_flags(%ebp)
no_singlestep:
@@ -349,7 +365,7 @@ no_singlestep:
jae syscall_badsys
syscall_call:
call *sys_call_table(,%eax,4)
- movl %eax,PT_EAX(%esp) # store the return value
+ movl %eax,EAX(%esp) # store the return value
syscall_exit:
DISABLE_INTERRUPTS # make sure we don't miss an interrupt
# setting need_resched or sigpending
@@ -360,12 +376,12 @@ syscall_exit:
jne syscall_exit_work
restore_all:
- movl PT_EFLAGS(%esp), %eax # mix EFLAGS, SS and CS
- # Warning: PT_OLDSS(%esp) contains the wrong/random values if we
+ movl EFLAGS(%esp), %eax # mix EFLAGS, SS and CS
+ # Warning: OLDSS(%esp) contains the wrong/random values if we
# are returning to the kernel.
# See comments in process.c:copy_thread() for details.
- movb PT_OLDSS(%esp), %ah
- movb PT_CS(%esp), %al
+ movb OLDSS(%esp), %ah
+ movb CS(%esp), %al
andl $(VM_MASK | (SEGMENT_TI_MASK << 8) | SEGMENT_RPL_MASK), %eax
cmpl $((SEGMENT_LDT << 8) | USER_RPL), %eax
CFI_REMEMBER_STATE
@@ -392,7 +408,7 @@ iret_exc:
CFI_RESTORE_STATE
ldt_ss:
- larl PT_OLDSS(%esp), %eax
+ larl OLDSS(%esp), %eax
jnz restore_nocheck
testl $0x00400000, %eax # returning to 32bit stack?
jnz restore_nocheck # allright, normal return
@@ -442,7 +458,7 @@ work_resched:
work_notifysig: # deal with pending signals and
# notify-resume requests
- testl $VM_MASK, PT_EFLAGS(%esp)
+ testl $VM_MASK, EFLAGS(%esp)
movl %esp, %eax
jne work_notifysig_v86 # returning to kernel-space or
# vm86-space
@@ -467,14 +483,14 @@ work_notifysig_v86:
# perform syscall exit tracing
ALIGN
syscall_trace_entry:
- movl $-ENOSYS,PT_EAX(%esp)
+ movl $-ENOSYS,EAX(%esp)
movl %esp, %eax
xorl %edx,%edx
call do_syscall_trace
cmpl $0, %eax
jne resume_userspace # ret != 0 -> running under PTRACE_SYSEMU,
# so must skip actual syscall
- movl PT_ORIG_EAX(%esp), %eax
+ movl ORIG_EAX(%esp), %eax
cmpl $(nr_syscalls), %eax
jnae syscall_call
jmp syscall_exit
@@ -499,11 +515,11 @@ syscall_fault:
CFI_ADJUST_CFA_OFFSET 4
SAVE_ALL
GET_THREAD_INFO(%ebp)
- movl $-EFAULT,PT_EAX(%esp)
+ movl $-EFAULT,EAX(%esp)
jmp resume_userspace
syscall_badsys:
- movl $-ENOSYS,PT_EAX(%esp)
+ movl $-ENOSYS,EAX(%esp)
jmp resume_userspace
CFI_ENDPROC
@@ -626,10 +642,10 @@ error_code:
popl %ecx
CFI_ADJUST_CFA_OFFSET -4
/*CFI_REGISTER es, ecx*/
- movl PT_ES(%esp), %edi # get the function address
- movl PT_ORIG_EAX(%esp), %edx # get the error code
- movl %eax, PT_ORIG_EAX(%esp)
- movl %ecx, PT_ES(%esp)
+ movl ES(%esp), %edi # get the function address
+ movl ORIG_EAX(%esp), %edx # get the error code
+ movl %eax, ORIG_EAX(%esp)
+ movl %ecx, ES(%esp)
/*CFI_REL_OFFSET es, ES*/
movl $(__USER_DS), %ecx
movl %ecx, %ds
@@ -933,26 +949,26 @@ ENTRY(arch_unwind_init_running)
movl 4(%esp), %edx
movl (%esp), %ecx
leal 4(%esp), %eax
- movl %ebx, PT_EBX(%edx)
+ movl %ebx, EBX(%edx)
xorl %ebx, %ebx
- movl %ebx, PT_ECX(%edx)
- movl %ebx, PT_EDX(%edx)
- movl %esi, PT_ESI(%edx)
- movl %edi, PT_EDI(%edx)
- movl %ebp, PT_EBP(%edx)
- movl %ebx, PT_EAX(%edx)
- movl $__USER_DS, PT_DS(%edx)
- movl $__USER_DS, PT_ES(%edx)
- movl %ebx, PT_ORIG_EAX(%edx)
- movl %ecx, PT_EIP(%edx)
+ movl %ebx, ECX(%edx)
+ movl %ebx, EDX(%edx)
+ movl %esi, ESI(%edx)
+ movl %edi, EDI(%edx)
+ movl %ebp, EBP(%edx)
+ movl %ebx, EAX(%edx)
+ movl $__USER_DS, DS(%edx)
+ movl $__USER_DS, ES(%edx)
+ movl %ebx, ORIG_EAX(%edx)
+ movl %ecx, EIP(%edx)
movl 12(%esp), %ecx
- movl $__KERNEL_CS, PT_CS(%edx)
- movl %ebx, PT_EFLAGS(%edx)
- movl %eax, PT_OLDESP(%edx)
+ movl $__KERNEL_CS, CS(%edx)
+ movl %ebx, EFLAGS(%edx)
+ movl %eax, OLDESP(%edx)
movl 8(%esp), %eax
movl %ecx, 8(%esp)
- movl PT_EBX(%edx), %ebx
- movl $__KERNEL_DS, PT_OLDSS(%edx)
+ movl EBX(%edx), %ebx
+ movl $__KERNEL_DS, OLDSS(%edx)
jmpl *%eax
CFI_ENDPROC
ENDPROC(arch_unwind_init_running)
_
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