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server: Correctly set the DR0..7 registers on Linux for x86_64 architecture.

This commit is contained in:
Eric Pouech 2010-04-07 21:05:45 +02:00 committed by Alexandre Julliard
parent d373e14d53
commit 9f49c6a05f
1 changed files with 55 additions and 18 deletions
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73
server/ptrace.c
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@ -549,12 +549,28 @@ void get_thread_context( struct thread *thread, context_t *context, unsigned int
goto done; goto done;
} }
} }
context->debug.i386_regs.dr0 = data[0]; switch (context->cpu)
context->debug.i386_regs.dr1 = data[1]; {
context->debug.i386_regs.dr2 = data[2]; case CPU_x86:
context->debug.i386_regs.dr3 = data[3]; context->debug.i386_regs.dr0 = data[0];
context->debug.i386_regs.dr6 = data[6]; context->debug.i386_regs.dr1 = data[1];
context->debug.i386_regs.dr7 = data[7]; context->debug.i386_regs.dr2 = data[2];
context->debug.i386_regs.dr3 = data[3];
context->debug.i386_regs.dr6 = data[6];
context->debug.i386_regs.dr7 = data[7];
break;
case CPU_x86_64:
context->debug.x86_64_regs.dr0 = data[0];
context->debug.x86_64_regs.dr1 = data[1];
context->debug.x86_64_regs.dr2 = data[2];
context->debug.x86_64_regs.dr3 = data[3];
context->debug.x86_64_regs.dr6 = data[6];
context->debug.x86_64_regs.dr7 = data[7];
break;
default:
set_error( STATUS_INVALID_PARAMETER );
goto done;
}
context->flags |= SERVER_CTX_DEBUG_REGISTERS; context->flags |= SERVER_CTX_DEBUG_REGISTERS;
done: done:
resume_after_ptrace( thread ); resume_after_ptrace( thread );
@ -570,18 +586,39 @@ void set_thread_context( struct thread *thread, const context_t *context, unsign
if (!suspend_for_ptrace( thread )) return; if (!suspend_for_ptrace( thread )) return;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(0), context->debug.i386_regs.dr0 ) == -1) goto error; switch (context->cpu)
if (thread->context) thread->context->debug.i386_regs.dr0 = context->debug.i386_regs.dr0; {
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(1), context->debug.i386_regs.dr1 ) == -1) goto error; case CPU_x86:
if (thread->context) thread->context->debug.i386_regs.dr1 = context->debug.i386_regs.dr1; if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(0), context->debug.i386_regs.dr0 ) == -1) goto error;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(2), context->debug.i386_regs.dr2 ) == -1) goto error; if (thread->context) thread->context->debug.i386_regs.dr0 = context->debug.i386_regs.dr0;
if (thread->context) thread->context->debug.i386_regs.dr2 = context->debug.i386_regs.dr2; if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(1), context->debug.i386_regs.dr1 ) == -1) goto error;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(3), context->debug.i386_regs.dr3 ) == -1) goto error; if (thread->context) thread->context->debug.i386_regs.dr1 = context->debug.i386_regs.dr1;
if (thread->context) thread->context->debug.i386_regs.dr3 = context->debug.i386_regs.dr3; if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(2), context->debug.i386_regs.dr2 ) == -1) goto error;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(6), context->debug.i386_regs.dr6 ) == -1) goto error; if (thread->context) thread->context->debug.i386_regs.dr2 = context->debug.i386_regs.dr2;
if (thread->context) thread->context->debug.i386_regs.dr6 = context->debug.i386_regs.dr6; if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(3), context->debug.i386_regs.dr3 ) == -1) goto error;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(7), context->debug.i386_regs.dr7 ) == -1) goto error; if (thread->context) thread->context->debug.i386_regs.dr3 = context->debug.i386_regs.dr3;
if (thread->context) thread->context->debug.i386_regs.dr7 = context->debug.i386_regs.dr7; if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(6), context->debug.i386_regs.dr6 ) == -1) goto error;
if (thread->context) thread->context->debug.i386_regs.dr6 = context->debug.i386_regs.dr6;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(7), context->debug.i386_regs.dr7 ) == -1) goto error;
if (thread->context) thread->context->debug.i386_regs.dr7 = context->debug.i386_regs.dr7;
break;
case CPU_x86_64:
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(0), context->debug.x86_64_regs.dr0 ) == -1) goto error;
if (thread->context) thread->context->debug.x86_64_regs.dr0 = context->debug.x86_64_regs.dr0;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(1), context->debug.x86_64_regs.dr1 ) == -1) goto error;
if (thread->context) thread->context->debug.x86_64_regs.dr1 = context->debug.x86_64_regs.dr1;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(2), context->debug.x86_64_regs.dr2 ) == -1) goto error;
if (thread->context) thread->context->debug.x86_64_regs.dr2 = context->debug.x86_64_regs.dr2;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(3), context->debug.x86_64_regs.dr3 ) == -1) goto error;
if (thread->context) thread->context->debug.x86_64_regs.dr3 = context->debug.x86_64_regs.dr3;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(6), context->debug.x86_64_regs.dr6 ) == -1) goto error;
if (thread->context) thread->context->debug.x86_64_regs.dr6 = context->debug.x86_64_regs.dr6;
if (ptrace( PTRACE_POKEUSER, pid, DR_OFFSET(7), context->debug.x86_64_regs.dr7 ) == -1) goto error;
if (thread->context) thread->context->debug.x86_64_regs.dr7 = context->debug.x86_64_regs.dr7;
break;
default:
set_error( STATUS_INVALID_PARAMETER );
}
resume_after_ptrace( thread ); resume_after_ptrace( thread );
return; return;
error: error: