2009-10-11 00:04:03 +04:00
|
|
|
/* Copyright (c) 2005-2006 Russ Cox, MIT; see COPYRIGHT */
|
|
|
|
|
|
|
|
|
|
#if defined(__FreeBSD__) && defined(__i386__) && __FreeBSD__ < 5
|
|
|
|
|
#define NEEDX86CONTEXT 1
|
|
|
|
|
#define SET setmcontext
|
|
|
|
|
#define GET getmcontext
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if defined(__OpenBSD__) && defined(__i386__)
|
|
|
|
|
#define NEEDX86CONTEXT 1
|
|
|
|
|
#define SET setmcontext
|
|
|
|
|
#define GET getmcontext
|
|
|
|
|
#endif
|
|
|
|
|
|
2011-01-03 23:08:59 +03:00
|
|
|
#if defined(__APPLE__)
|
|
|
|
|
#if defined(__i386__)
|
2009-10-11 00:04:03 +04:00
|
|
|
#define NEEDX86CONTEXT 1
|
|
|
|
|
#define SET _setmcontext
|
|
|
|
|
#define GET _getmcontext
|
2011-01-03 23:08:59 +03:00
|
|
|
#elif defined(__x86_64__)
|
|
|
|
|
#define NEEDAMD64CONTEXT 1
|
|
|
|
|
#define SET _setmcontext
|
|
|
|
|
#define GET _getmcontext
|
|
|
|
|
#else
|
2009-10-11 00:04:03 +04:00
|
|
|
#define NEEDPOWERCONTEXT 1
|
|
|
|
|
#define SET __setmcontext
|
|
|
|
|
#define GET __getmcontext
|
|
|
|
|
#endif
|
2011-01-03 23:08:59 +03:00
|
|
|
#endif
|
2009-10-11 00:04:03 +04:00
|
|
|
|
|
|
|
|
#if defined(__linux__) && defined(__arm__)
|
|
|
|
|
#define NEEDARMCONTEXT 1
|
|
|
|
|
#define SET setmcontext
|
|
|
|
|
#define GET getmcontext
|
|
|
|
|
#endif
|
|
|
|
|
|
2011-01-03 23:08:59 +03:00
|
|
|
#if defined(__linux__) && defined(__mips__)
|
|
|
|
|
#define NEEDMIPSCONTEXT 1
|
|
|
|
|
#define SET setmcontext
|
|
|
|
|
#define GET getmcontext
|
|
|
|
|
#endif
|
|
|
|
|
|
2009-10-11 00:04:03 +04:00
|
|
|
#ifdef NEEDX86CONTEXT
|
|
|
|
|
.globl SET
|
|
|
|
|
SET:
|
|
|
|
|
movl 4(%esp), %eax
|
|
|
|
|
|
|
|
|
|
movl 8(%eax), %fs
|
|
|
|
|
movl 12(%eax), %es
|
|
|
|
|
movl 16(%eax), %ds
|
|
|
|
|
movl 76(%eax), %ss
|
|
|
|
|
movl 20(%eax), %edi
|
|
|
|
|
movl 24(%eax), %esi
|
|
|
|
|
movl 28(%eax), %ebp
|
|
|
|
|
movl 36(%eax), %ebx
|
|
|
|
|
movl 40(%eax), %edx
|
|
|
|
|
movl 44(%eax), %ecx
|
|
|
|
|
|
|
|
|
|
movl 72(%eax), %esp
|
|
|
|
|
pushl 60(%eax) /* new %eip */
|
|
|
|
|
movl 48(%eax), %eax
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
.globl GET
|
|
|
|
|
GET:
|
|
|
|
|
movl 4(%esp), %eax
|
|
|
|
|
|
|
|
|
|
movl %fs, 8(%eax)
|
|
|
|
|
movl %es, 12(%eax)
|
|
|
|
|
movl %ds, 16(%eax)
|
|
|
|
|
movl %ss, 76(%eax)
|
|
|
|
|
movl %edi, 20(%eax)
|
|
|
|
|
movl %esi, 24(%eax)
|
|
|
|
|
movl %ebp, 28(%eax)
|
|
|
|
|
movl %ebx, 36(%eax)
|
|
|
|
|
movl %edx, 40(%eax)
|
|
|
|
|
movl %ecx, 44(%eax)
|
|
|
|
|
|
|
|
|
|
movl $1, 48(%eax) /* %eax */
|
|
|
|
|
movl (%esp), %ecx /* %eip */
|
|
|
|
|
movl %ecx, 60(%eax)
|
|
|
|
|
leal 4(%esp), %ecx /* %esp */
|
|
|
|
|
movl %ecx, 72(%eax)
|
|
|
|
|
|
|
|
|
|
movl 44(%eax), %ecx /* restore %ecx */
|
|
|
|
|
movl $0, %eax
|
|
|
|
|
ret
|
|
|
|
|
#endif
|
|
|
|
|
|
2011-01-03 23:08:59 +03:00
|
|
|
#ifdef NEEDAMD64CONTEXT
|
|
|
|
|
.globl SET
|
|
|
|
|
SET:
|
|
|
|
|
movq 16(%rdi), %rsi
|
|
|
|
|
movq 24(%rdi), %rdx
|
|
|
|
|
movq 32(%rdi), %rcx
|
|
|
|
|
movq 40(%rdi), %r8
|
|
|
|
|
movq 48(%rdi), %r9
|
|
|
|
|
movq 56(%rdi), %rax
|
|
|
|
|
movq 64(%rdi), %rbx
|
|
|
|
|
movq 72(%rdi), %rbp
|
|
|
|
|
movq 80(%rdi), %r10
|
|
|
|
|
movq 88(%rdi), %r11
|
|
|
|
|
movq 96(%rdi), %r12
|
|
|
|
|
movq 104(%rdi), %r13
|
|
|
|
|
movq 112(%rdi), %r14
|
|
|
|
|
movq 120(%rdi), %r15
|
|
|
|
|
movq 184(%rdi), %rsp
|
|
|
|
|
pushq 160(%rdi) /* new %eip */
|
|
|
|
|
movq 8(%rdi), %rdi
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
.globl GET
|
|
|
|
|
GET:
|
|
|
|
|
movq %rdi, 8(%rdi)
|
|
|
|
|
movq %rsi, 16(%rdi)
|
|
|
|
|
movq %rdx, 24(%rdi)
|
|
|
|
|
movq %rcx, 32(%rdi)
|
|
|
|
|
movq %r8, 40(%rdi)
|
|
|
|
|
movq %r9, 48(%rdi)
|
|
|
|
|
movq $1, 56(%rdi) /* %rax */
|
|
|
|
|
movq %rbx, 64(%rdi)
|
|
|
|
|
movq %rbp, 72(%rdi)
|
|
|
|
|
movq %r10, 80(%rdi)
|
|
|
|
|
movq %r11, 88(%rdi)
|
|
|
|
|
movq %r12, 96(%rdi)
|
|
|
|
|
movq %r13, 104(%rdi)
|
|
|
|
|
movq %r14, 112(%rdi)
|
|
|
|
|
movq %r15, 120(%rdi)
|
|
|
|
|
|
|
|
|
|
movq (%rsp), %rcx /* %rip */
|
|
|
|
|
movq %rcx, 160(%rdi)
|
|
|
|
|
leaq 8(%rsp), %rcx /* %rsp */
|
|
|
|
|
movq %rcx, 184(%rdi)
|
2014-08-03 20:28:37 +04:00
|
|
|
|
2011-01-03 23:08:59 +03:00
|
|
|
movq 32(%rdi), %rcx /* restore %rcx */
|
|
|
|
|
movq $0, %rax
|
|
|
|
|
ret
|
|
|
|
|
#endif
|
|
|
|
|
|
2009-10-11 00:04:03 +04:00
|
|
|
#ifdef NEEDPOWERCONTEXT
|
|
|
|
|
/* get FPR and VR use flags with sc 0x7FF3 */
|
|
|
|
|
/* get vsave with mfspr reg, 256 */
|
|
|
|
|
|
|
|
|
|
.text
|
|
|
|
|
.align 2
|
|
|
|
|
|
|
|
|
|
.globl GET
|
|
|
|
|
GET: /* xxx: instruction scheduling */
|
|
|
|
|
mflr r0
|
|
|
|
|
mfcr r5
|
|
|
|
|
mfctr r6
|
|
|
|
|
mfxer r7
|
|
|
|
|
stw r0, 0*4(r3)
|
|
|
|
|
stw r5, 1*4(r3)
|
|
|
|
|
stw r6, 2*4(r3)
|
|
|
|
|
stw r7, 3*4(r3)
|
|
|
|
|
|
|
|
|
|
stw r1, 4*4(r3)
|
|
|
|
|
stw r2, 5*4(r3)
|
|
|
|
|
li r5, 1 /* return value for setmcontext */
|
|
|
|
|
stw r5, 6*4(r3)
|
|
|
|
|
|
|
|
|
|
stw r13, (0+7)*4(r3) /* callee-save GPRs */
|
|
|
|
|
stw r14, (1+7)*4(r3) /* xxx: block move */
|
|
|
|
|
stw r15, (2+7)*4(r3)
|
|
|
|
|
stw r16, (3+7)*4(r3)
|
|
|
|
|
stw r17, (4+7)*4(r3)
|
|
|
|
|
stw r18, (5+7)*4(r3)
|
|
|
|
|
stw r19, (6+7)*4(r3)
|
|
|
|
|
stw r20, (7+7)*4(r3)
|
|
|
|
|
stw r21, (8+7)*4(r3)
|
|
|
|
|
stw r22, (9+7)*4(r3)
|
|
|
|
|
stw r23, (10+7)*4(r3)
|
|
|
|
|
stw r24, (11+7)*4(r3)
|
|
|
|
|
stw r25, (12+7)*4(r3)
|
|
|
|
|
stw r26, (13+7)*4(r3)
|
|
|
|
|
stw r27, (14+7)*4(r3)
|
|
|
|
|
stw r28, (15+7)*4(r3)
|
|
|
|
|
stw r29, (16+7)*4(r3)
|
|
|
|
|
stw r30, (17+7)*4(r3)
|
|
|
|
|
stw r31, (18+7)*4(r3)
|
|
|
|
|
|
|
|
|
|
li r3, 0 /* return */
|
|
|
|
|
blr
|
|
|
|
|
|
|
|
|
|
.globl SET
|
|
|
|
|
SET:
|
|
|
|
|
lwz r13, (0+7)*4(r3) /* callee-save GPRs */
|
|
|
|
|
lwz r14, (1+7)*4(r3) /* xxx: block move */
|
|
|
|
|
lwz r15, (2+7)*4(r3)
|
|
|
|
|
lwz r16, (3+7)*4(r3)
|
|
|
|
|
lwz r17, (4+7)*4(r3)
|
|
|
|
|
lwz r18, (5+7)*4(r3)
|
|
|
|
|
lwz r19, (6+7)*4(r3)
|
|
|
|
|
lwz r20, (7+7)*4(r3)
|
|
|
|
|
lwz r21, (8+7)*4(r3)
|
|
|
|
|
lwz r22, (9+7)*4(r3)
|
|
|
|
|
lwz r23, (10+7)*4(r3)
|
|
|
|
|
lwz r24, (11+7)*4(r3)
|
|
|
|
|
lwz r25, (12+7)*4(r3)
|
|
|
|
|
lwz r26, (13+7)*4(r3)
|
|
|
|
|
lwz r27, (14+7)*4(r3)
|
|
|
|
|
lwz r28, (15+7)*4(r3)
|
|
|
|
|
lwz r29, (16+7)*4(r3)
|
|
|
|
|
lwz r30, (17+7)*4(r3)
|
|
|
|
|
lwz r31, (18+7)*4(r3)
|
|
|
|
|
|
|
|
|
|
lwz r1, 4*4(r3)
|
|
|
|
|
lwz r2, 5*4(r3)
|
|
|
|
|
|
|
|
|
|
lwz r0, 0*4(r3)
|
|
|
|
|
mtlr r0
|
|
|
|
|
lwz r0, 1*4(r3)
|
|
|
|
|
mtcr r0 /* mtcrf 0xFF, r0 */
|
|
|
|
|
lwz r0, 2*4(r3)
|
|
|
|
|
mtctr r0
|
|
|
|
|
lwz r0, 3*4(r3)
|
|
|
|
|
mtxer r0
|
|
|
|
|
|
|
|
|
|
lwz r3, 6*4(r3)
|
|
|
|
|
blr
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef NEEDARMCONTEXT
|
|
|
|
|
.globl GET
|
|
|
|
|
GET:
|
|
|
|
|
str r1, [r0,#4]
|
|
|
|
|
str r2, [r0,#8]
|
|
|
|
|
str r3, [r0,#12]
|
|
|
|
|
str r4, [r0,#16]
|
|
|
|
|
str r5, [r0,#20]
|
|
|
|
|
str r6, [r0,#24]
|
|
|
|
|
str r7, [r0,#28]
|
|
|
|
|
str r8, [r0,#32]
|
|
|
|
|
str r9, [r0,#36]
|
|
|
|
|
str r10, [r0,#40]
|
|
|
|
|
str r11, [r0,#44]
|
|
|
|
|
str r12, [r0,#48]
|
|
|
|
|
str r13, [r0,#52]
|
|
|
|
|
str r14, [r0,#56]
|
|
|
|
|
/* store 1 as r0-to-restore */
|
|
|
|
|
mov r1, #1
|
|
|
|
|
str r1, [r0]
|
|
|
|
|
/* return 0 */
|
|
|
|
|
mov r0, #0
|
|
|
|
|
mov pc, lr
|
|
|
|
|
|
|
|
|
|
.globl SET
|
|
|
|
|
SET:
|
|
|
|
|
ldr r1, [r0,#4]
|
|
|
|
|
ldr r2, [r0,#8]
|
|
|
|
|
ldr r3, [r0,#12]
|
|
|
|
|
ldr r4, [r0,#16]
|
|
|
|
|
ldr r5, [r0,#20]
|
|
|
|
|
ldr r6, [r0,#24]
|
|
|
|
|
ldr r7, [r0,#28]
|
|
|
|
|
ldr r8, [r0,#32]
|
|
|
|
|
ldr r9, [r0,#36]
|
|
|
|
|
ldr r10, [r0,#40]
|
|
|
|
|
ldr r11, [r0,#44]
|
|
|
|
|
ldr r12, [r0,#48]
|
|
|
|
|
ldr r13, [r0,#52]
|
|
|
|
|
ldr r14, [r0,#56]
|
|
|
|
|
ldr r0, [r0]
|
|
|
|
|
mov pc, lr
|
|
|
|
|
#endif
|
2011-01-03 23:08:59 +03:00
|
|
|
|
|
|
|
|
#ifdef NEEDMIPSCONTEXT
|
|
|
|
|
.globl GET
|
|
|
|
|
GET:
|
|
|
|
|
sw $4, 24($4)
|
|
|
|
|
sw $5, 28($4)
|
|
|
|
|
sw $6, 32($4)
|
|
|
|
|
sw $7, 36($4)
|
|
|
|
|
|
|
|
|
|
sw $16, 72($4)
|
|
|
|
|
sw $17, 76($4)
|
|
|
|
|
sw $18, 80($4)
|
|
|
|
|
sw $19, 84($4)
|
|
|
|
|
sw $20, 88($4)
|
|
|
|
|
sw $21, 92($4)
|
|
|
|
|
sw $22, 96($4)
|
|
|
|
|
sw $23, 100($4)
|
|
|
|
|
|
|
|
|
|
sw $28, 120($4) /* gp */
|
|
|
|
|
sw $29, 124($4) /* sp */
|
|
|
|
|
sw $30, 128($4) /* fp */
|
|
|
|
|
sw $31, 132($4) /* ra */
|
|
|
|
|
|
|
|
|
|
xor $2, $2, $2
|
|
|
|
|
j $31
|
|
|
|
|
nop
|
|
|
|
|
|
|
|
|
|
.globl SET
|
|
|
|
|
SET:
|
|
|
|
|
lw $16, 72($4)
|
|
|
|
|
lw $17, 76($4)
|
|
|
|
|
lw $18, 80($4)
|
|
|
|
|
lw $19, 84($4)
|
|
|
|
|
lw $20, 88($4)
|
|
|
|
|
lw $21, 92($4)
|
|
|
|
|
lw $22, 96($4)
|
|
|
|
|
lw $23, 100($4)
|
|
|
|
|
|
|
|
|
|
lw $28, 120($4) /* gp */
|
|
|
|
|
lw $29, 124($4) /* sp */
|
|
|
|
|
lw $30, 128($4) /* fp */
|
2014-08-03 20:28:37 +04:00
|
|
|
|
2011-01-03 23:08:59 +03:00
|
|
|
/*
|
|
|
|
|
* If we set $31 directly and j $31,
|
|
|
|
|
* we would loose the outer return address.
|
|
|
|
|
* Use a temporary register, then.
|
|
|
|
|
*/
|
|
|
|
|
lw $8, 132($4) /* ra */
|
2014-08-03 20:28:37 +04:00
|
|
|
|
2011-01-03 23:08:59 +03:00
|
|
|
/* bug: not setting the pc causes a bus error */
|
|
|
|
|
lw $25, 132($4) /* pc */
|
|
|
|
|
|
|
|
|
|
lw $5, 28($4)
|
|
|
|
|
lw $6, 32($4)
|
|
|
|
|
lw $7, 36($4)
|
|
|
|
|
lw $4, 24($4)
|
|
|
|
|
|
|
|
|
|
j $8
|
|
|
|
|
nop
|
|
|
|
|
#endif
|
