diff options
Diffstat (limited to 'src/process/nt32')
-rw-r--r-- | src/process/nt32/tt_fork_v1.s | 60 | ||||
-rw-r--r-- | src/process/nt32/tt_fork_v1_i386.c | 66 |
2 files changed, 126 insertions, 0 deletions
diff --git a/src/process/nt32/tt_fork_v1.s b/src/process/nt32/tt_fork_v1.s new file mode 100644 index 0000000..2e2f01d --- /dev/null +++ b/src/process/nt32/tt_fork_v1.s @@ -0,0 +1,60 @@ +########################################################## +## ntapi: Native API core library ## +## Copyright (C) 2013,2014,2015 Z. Gilboa ## +## Released under GPLv2 and GPLv3; see COPYING.NTAPI. ## +########################################################## + +.section .text + +.global ___tt_fork +.global ___tt_fork_child_entry_point +.global @__tt_fork_child_entry_point@4 +.global ___tt_fork_child_entry_point_adj +.global @__tt_fork_child_entry_point_adj@4 + +___tt_fork: +___tt_fork_prolog: + push %ebp + mov %esp, %ebp + +___tt_fork_save_regs: + push %ecx + push %edx + push %ebx + push %esi + push %edi + +___tt_fork_impl_call: + mov %esp, %ecx + mov $0, %edx + call @__tt_fork_impl@8 + +___tt_fork_restore_regs: + pop %edi + pop %esi + pop %ebx + pop %edx + pop %ecx + +___tt_fork_epilog: + mov %ebp, %esp + pop %ebp + ret + +___tt_fork_child_entry_point: +@__tt_fork_child_entry_point@4: +___tt_fork_child_entry_point_adj: +@__tt_fork_child_entry_point_adj@4: + xor %eax, %eax + mov %ecx, %esp + +___tt_fork_child_restore_regs: + pop %edi + pop %esi + pop %ebx + pop %edx + pop %ecx + +___tt_fork_child_epilog: + pop %ebp + ret diff --git a/src/process/nt32/tt_fork_v1_i386.c b/src/process/nt32/tt_fork_v1_i386.c new file mode 100644 index 0000000..34b813e --- /dev/null +++ b/src/process/nt32/tt_fork_v1_i386.c @@ -0,0 +1,66 @@ +/********************************************************/ +/* ntapi: Native API core library */ +/* Copyright (C) 2013,2014,2015 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */ +/********************************************************/ + +#include <psxtypes/psxtypes.h> + +#if (__COMPILER__ == __MSVC__) && defined(__X86_MODEL) + +intptr_t __fastcall __tt_fork_impl( + __in uintptr_t saved_regs_stack_pointer, + __in uintptr_t stack_adjustment); + +int32_t __declspec(naked) __cdecl __tt_fork(void) +{ + __asm { + push ebp + mov ebp, esp + + push ecx + push edx + push ebx + push esi + push edi + + mov ecx, esp + call __tt_fork_impl + + pop edi + pop esi + pop ebx + pop edx + pop ecx + + mov esp, ebp + pop ebp + ret + }; +} + +void __declspec(naked) __fastcall __tt_fork_child_entry_point(uintptr_t esp_saved) +{ + __asm { + xor eax, eax + mov esp, ecx + + pop edi + pop esi + pop ebx + pop edx + pop ecx + + pop ebp + ret + }; +} + +void __declspec(naked) __fastcall __tt_fork_child_entry_point_adj(uintptr_t esp_saved) +{ + __asm { + jmp __tt_fork_child_entry_point + }; +} + +#endif |