From cde3523cca916056f7680aa19acc35082b3a8eb6 Mon Sep 17 00:00:00 2001 From: midipix Date: Sun, 27 Jan 2019 15:19:23 +0000 Subject: __clone(): updated struct pt_regs to match libpsxscl, provide stack info. --- src/thread/nt32/clone.c | 28 ++++++++++++++++++++++------ 1 file changed, 22 insertions(+), 6 deletions(-) (limited to 'src/thread/nt32') diff --git a/src/thread/nt32/clone.c b/src/thread/nt32/clone.c index fb53501..f5ad5f8 100644 --- a/src/thread/nt32/clone.c +++ b/src/thread/nt32/clone.c @@ -1,19 +1,31 @@ #include +/* take advantage of i686 vararg abi */ +#define __clone ____clone +#include "pthread_impl.h" +#undef __clone + struct pt_regs { - unsigned long ebp; unsigned long ebx; - unsigned long eax; unsigned long ecx; unsigned long edx; unsigned long esi; unsigned long edi; + unsigned long ebp; + unsigned long eax; + unsigned long xds; + unsigned long xes; + unsigned long xfs; + unsigned long xgs; unsigned long orig_eax; unsigned long eip; - unsigned long cs; + unsigned long xcs; unsigned long eflags; unsigned long esp; - unsigned long ss; + unsigned long xss; + unsigned long sbase; + unsigned long slimit; + unsigned long sbottom; }; typedef long __sys_clone( @@ -23,8 +35,6 @@ typedef long __sys_clone( void * ctid, struct pt_regs *regs); -typedef int __entry_point(void *); - extern unsigned long ** __syscall_vtbl; int __clone( @@ -38,6 +48,7 @@ int __clone( { struct pt_regs regs; __sys_clone * pfn_clone; + pthread_t pthread; regs.eip = (unsigned long)fn; regs.ecx = (unsigned long)arg; @@ -45,6 +56,11 @@ int __clone( pfn_clone = (__sys_clone *)(__syscall_vtbl[SYS_clone]); + pthread = (pthread_t)pthread_self_addr; + regs.sbase = (unsigned long)pthread->stack; + regs.slimit = regs.sbase - pthread->stack_size; + regs.sbottom = regs.slimit - pthread->guard_size; + return (int)pfn_clone( flags, child_stack, -- cgit v1.2.3