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Added our own user_regs_struct definition for better compatibility.

oldstable
Alexandre Julliard 2000-01-29 23:35:42 +00:00
parent 6fb62f52f5
commit a661187be6
1 changed files with 26 additions and 14 deletions
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40
server/context_i386.c
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@ -34,6 +34,18 @@
#ifdef linux
/* user_regs definitions from asm/user.h */
struct kernel_user_regs_struct
{
long ebx, ecx, edx, esi, edi, ebp, eax;
unsigned short ds, __ds, es, __es;
unsigned short fs, __fs, gs, __gs;
long orig_eax, eip;
unsigned short cs, __cs;
long eflags, esp;
unsigned short ss, __ss;
};
/* debug register offset in struct user */
#define DR_OFFSET(dr) ((int)((((struct user *)0)->u_debugreg) + (dr)))
@ -56,7 +68,7 @@ static void get_thread_context( struct thread *thread, unsigned int flags, CONTE
int pid = thread->unix_pid;
if (flags & CONTEXT_FULL)
{
struct user_regs_struct regs;
struct kernel_user_regs_struct regs;
if (ptrace( PTRACE_GETREGS, pid, 0, &regs ) == -1) goto error;
if (flags & CONTEXT_INTEGER)
{
@ -72,16 +84,16 @@ static void get_thread_context( struct thread *thread, unsigned int flags, CONTE
context->Ebp = regs.ebp;
context->Esp = regs.esp;
context->Eip = regs.eip;
context->SegCs = regs.xcs & 0xffff;
context->SegSs = regs.xss & 0xffff;
context->SegCs = regs.cs;
context->SegSs = regs.ss;
context->EFlags = regs.eflags;
}
if (flags & CONTEXT_SEGMENTS)
{
context->SegDs = regs.xds & 0xffff;
context->SegEs = regs.xes & 0xffff;
context->SegFs = regs.xfs & 0xffff;
context->SegGs = regs.xgs & 0xffff;
context->SegDs = regs.ds;
context->SegEs = regs.es;
context->SegFs = regs.fs;
context->SegGs = regs.gs;
}
}
if (flags & CONTEXT_DEBUG_REGISTERS)
@ -112,7 +124,7 @@ static void set_thread_context( struct thread *thread, unsigned int flags, CONTE
int pid = thread->unix_pid;
if (flags & CONTEXT_FULL)
{
struct user_regs_struct regs;
struct kernel_user_regs_struct regs;
if ((flags & CONTEXT_FULL) != CONTEXT_FULL) /* need to preserve some registers */
{
if (ptrace( PTRACE_GETREGS, pid, 0, &regs ) == -1) goto error;
@ -131,16 +143,16 @@ static void set_thread_context( struct thread *thread, unsigned int flags, CONTE
regs.ebp = context->Ebp;
regs.esp = context->Esp;
regs.eip = context->Eip;
regs.xcs = context->SegCs;
regs.xss = context->SegSs;
regs.cs = context->SegCs;
regs.ss = context->SegSs;
regs.eflags = context->EFlags;
}
if (flags & CONTEXT_SEGMENTS)
{
regs.xds = context->SegDs;
regs.xes = context->SegEs;
regs.xfs = context->SegFs;
regs.xgs = context->SegGs;
regs.ds = context->SegDs;
regs.es = context->SegEs;
regs.fs = context->SegFs;
regs.gs = context->SegGs;
}
if (ptrace( PTRACE_SETREGS, pid, 0, &regs ) == -1) goto error;
}