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Initial macOS support (x86_64 with Rosetta 2)

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This commit is contained in:
Luke Street
2025-11-08 01:45:47 -07:00
parent f56bd8e2a7
commit cc0a887302
33 changed files with 1281 additions and 4186 deletions
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295
src/setup.S
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@@ -1,18 +1,25 @@
#include "macros.S"
#ifndef __APPLE__
.section .note.GNU-stack, "", @progbits
#endif
.text
#ifdef __x86_64__
#ifdef __APPLE__
.zerofill RESV32,RESV32,_wibo_reserve,0x7E000000-0x1000
.no_dead_strip _wibo_reserve
#endif
# int x86_64_thread_setup(int entry_number, void *teb)
.globl x86_64_thread_setup
.type x86_64_thread_setup, @function
x86_64_thread_setup:
#if defined(__x86_64__) && !defined(__APPLE__)
# int tebThreadSetup(int entryNumber, TEB *teb)
.globl tebThreadSetup
.type tebThreadSetup, @function
tebThreadSetup:
push rbx # save rbx
mov r8, rsp # save host stack
rdfsbase r9 # read host FS base
mov rdx, qword ptr [rsi+TEB_SP] # fetch guest stack
LJMP32 # far jump into 32-bit code
LJMP32 rsi # far jump into 32-bit code
mov ax, 0x2b # user data segment (Linux)
mov ds, ax # setup data segment
mov es, ax # setup extra segment
@@ -38,21 +45,23 @@ x86_64_thread_setup:
mov eax, -1 # return -1
2:
add esp, 0x10 # cleanup stack
LJMP64 # far jump into 64-bit code
LJMP64 esi # far jump into 64-bit code
cdqe # sign-extend eax to rax
mov rsp, r8 # switch to host stack
wrfsbase r9 # restore host FS base
pop rbx # restore rbx
ret
.size x86_64_thread_setup, .-x86_64_thread_setup
.size tebThreadSetup, .-tebThreadSetup
#endif // __x86_64__
.altmacro
.code32
.macro stubThunkX number
#ifdef __x86_64__
#if defined(__APPLE__)
.globl __Z9stubThunkILm\()\number\()EEvv
__Z9stubThunkILm\()\number\()EEvv:
#elif defined(__x86_64__)
.globl _Z9stubThunkILm\()\number\()EEvv
.type _Z9stubThunkILm\()\number\()EEvv, @function
_Z9stubThunkILm\()\number\()EEvv:
@@ -64,11 +73,267 @@ _Z9stubThunkILj\()\number\()EEvv:
pop eax
push \number
push eax
#ifdef __APPLE__
jmp _thunk_entry_stubBase
#else
jmp thunk_entry_stubBase
#endif
.endm
.set i, 0
.rept 256
stubThunkX %i
.set i, i+1
.endr
stubThunkX 0
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