wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity

Bug 597831 Update TrampolineSUNW*.s r=dvander

Browse Source
This commit is contained in:
Ginn Chen 2010-09-21 15:56:28 +08:00
parent 656da172a8
commit 1adbef9029
2 changed files with 52 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
js/src/methodjit/TrampolineSUNWX64.s
View File

@ -52,35 +52,46 @@ JaegerTrampoline:
pushq %r15
pushq %rbx
/* Load mask registers. */
movq $0xFFFF800000000000, %r13
movq $0x00007FFFFFFFFFFF, %r14
/* Build the JIT frame.
* rdi = cx
* rsi = fp
* rcx = inlineCallCount
* fp must go into rbx
*/
pushq %rcx
pushq %rdi
pushq %rsi
pushq %rsi /* entryFp */
pushq %rcx /* inlineCallCount */
pushq %rdi /* cx */
pushq %rsi /* fp */
movq %rsi, %rbx
/* Space for the rest of the VMFrame. */
subq $0x28, %rsp
/* Set cx->regs (requires saving rdx). */
/*
* This is actually part of the VMFrame, but we need to save |r8| for
* SafePointTrampoline.
*/
pushq %r8
/* Set cx->regs and set the active frame. Save rdx and align frame in one. */
pushq %rdx
movq %rsp, %rdi
call SetVMFrameRegs
popq %rdx
movq %rsp, %rdi
call PushActiveVMFrame
/*
* Jump into into the JIT'd code. The call implicitly fills in
* the precious f.scriptedReturn member of VMFrame.
* Jump into into the JIT'd code.
*/
call *%rdx
leaq -8(%rsp), %rdi
call UnsetVMFrameRegs
call *0(%rsp)
movq %rsp, %rdi
call PopActiveVMFrame
addq $0x40, %rsp
addq $0x58, %rsp
popq %rbx
popq %r15
popq %r14
@ -102,20 +113,38 @@ JaegerThrowpoline:
je throwpoline_exit
jmp *%rax
throwpoline_exit:
addq $0x48, %rsp
movq %rsp, %rdi
call PopActiveVMFrame
addq $0x58, %rsp
popq %rbx
popq %r15
popq %r14
popq %r13
popq %r12
popq %rbp
xorq %rax,%rax
ret
.size JaegerThrowpoline, . - JaegerThrowpoline
.global JaegerFromTracer
.type JaegerFromTracer, @function
JaegerFromTracer:
/* Restore fp reg. */
movq 0x30(%rsp), %rbx
jmp *%rax
.size JaegerFromTracer, . - JaegerFromTracer
.global SafePointTrampoline
.type SafePointTrampoline, @function
SafePointTrampoline:
popq %rax
movq %rax, 0x50(%rbx)
jmp *8(%rsp)
.size SafePointTrampoline, . - SafePointTrampoline
.global InjectJaegerReturn
.type InjectJaegerReturn, @function
InjectJaegerReturn:
movq 0x30(%rbx), %rcx /* load fp->rval_ into typeReg */
movq 0x50(%rbx), %rax /* fp->ncode_ */
/* Reimplementation of PunboxAssembler::loadValueAsComponents() */
movq %r14, %rdx /* payloadReg = payloadMaskReg */
andq %rcx, %rdx
xorq %rdx, %rcx
movq 0x38(%rsp), %rbx /* f.fp */
jmp *%rax /* return. */
.size InjectJaegerReturn, . - InjectJaegerReturn

14
js/src/methodjit/TrampolineSUNWX86.s
View File

@ -63,19 +63,13 @@ JaegerTrampoline:
/* No fastcall for sunstudio. */
pushl %esp
call SetVMFrameRegs
popl %edx
pushl %esp
call PushActiveVMFrame
popl %edx
call *16(%ebp)
pushl %esp
call PopActiveVMFrame
popl %ecx
pushl %esp
call UnsetVMFrameRegs
popl %ecx
addl $0x2C, %esp
addl $0x30, %esp
popl %ebx
popl %edi
popl %esi
@ -109,7 +103,7 @@ throwpoline_exit:
pushl %esp
call PopActiveVMFrame
popl %ebx
addl $0x2c, %esp
addl $0x2C, %esp
popl %ebx
popl %edi
popl %esi
@ -123,7 +117,7 @@ throwpoline_exit:
InjectJaegerReturn:
movl 0x18(%ebx), %edx /* fp->rval_ data */
movl 0x1C(%ebx), %ecx /* fp->rval_ type */
movl 0x2c(%ebx), %eax /* fp->ncode_ */
movl 0x2C(%ebx), %eax /* fp->ncode_ */
/* For Sun Studio there is no fast call. */
/* We add the stack by 8 before. */
addl $0x8, %esp
@ -141,6 +135,6 @@ InjectJaegerReturn:
.type SafePointTrampoline, @function
SafePointTrampoline:
popl %eax
movl %eax, 0x2c(%ebx)
movl %eax, 0x2C(%ebx)
jmp *24(%ebp)
.size SafePointTrampoline, . - SafePointTrampoline