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server: Work around Mac OS not being able to set global breakpoint flags.

This commit is contained in:
Alexandre Julliard 2011-02-26 12:41:36 +01:00
parent de7d1ad77a
commit e7a032c131
1 changed files with 6 additions and 2 deletions
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8
server/mach.c
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@ -211,6 +211,7 @@ void set_thread_context( struct thread *thread, const context_t *context, unsign
mach_msg_type_number_t count = sizeof(state) / sizeof(int); mach_msg_type_number_t count = sizeof(state) / sizeof(int);
mach_msg_type_name_t type; mach_msg_type_name_t type;
mach_port_t port, process_port = get_process_port( thread->process ); mach_port_t port, process_port = get_process_port( thread->process );
unsigned int dr7;
/* all other regs are handled on the client side */ /* all other regs are handled on the client side */
assert( flags == SERVER_CTX_DEBUG_REGISTERS ); assert( flags == SERVER_CTX_DEBUG_REGISTERS );
@ -223,6 +224,9 @@ void set_thread_context( struct thread *thread, const context_t *context, unsign
return; return;
} }
/* Mac OS doesn't allow setting the global breakpoint flags */
dr7 = (context->debug.i386_regs.dr7 & ~0xaa) | ((context->debug.i386_regs.dr7 & 0xaa) >> 1);
#if __DARWIN_UNIX03 && defined(_STRUCT_X86_DEBUG_STATE32) #if __DARWIN_UNIX03 && defined(_STRUCT_X86_DEBUG_STATE32)
state.__dr0 = context->debug.i386_regs.dr0; state.__dr0 = context->debug.i386_regs.dr0;
state.__dr1 = context->debug.i386_regs.dr1; state.__dr1 = context->debug.i386_regs.dr1;
@ -231,7 +235,7 @@ void set_thread_context( struct thread *thread, const context_t *context, unsign
state.__dr4 = 0; state.__dr4 = 0;
state.__dr5 = 0; state.__dr5 = 0;
state.__dr6 = context->debug.i386_regs.dr6; state.__dr6 = context->debug.i386_regs.dr6;
state.__dr7 = context->debug.i386_regs.dr7; state.__dr7 = dr7;
#else #else
state.dr0 = context->debug.i386_regs.dr0; state.dr0 = context->debug.i386_regs.dr0;
state.dr1 = context->debug.i386_regs.dr1; state.dr1 = context->debug.i386_regs.dr1;
@ -240,7 +244,7 @@ void set_thread_context( struct thread *thread, const context_t *context, unsign
state.dr4 = 0; state.dr4 = 0;
state.dr5 = 0; state.dr5 = 0;
state.dr6 = context->debug.i386_regs.dr6; state.dr6 = context->debug.i386_regs.dr6;
state.dr7 = context->debug.i386_regs.dr7; state.dr7 = dr7;
#endif #endif
if (!thread_set_state( port, x86_DEBUG_STATE32, (thread_state_t)&state, count )) if (!thread_set_state( port, x86_DEBUG_STATE32, (thread_state_t)&state, count ))
{ {