src/runtime/arch.h

   1 /*
   2  * This software is part of the SBCL system. See the README file for
   3  * more information.
   4  *
   5  * This software is derived from the CMU CL system, which was
   6  * written at Carnegie Mellon University and released into the
   7  * public domain. The software is in the public domain and is
   8  * provided with absolutely no warranty. See the COPYING and CREDITS
   9  * files for more information.
  10  */
  11
  12 #ifndef __ARCH_H__
  13 #define __ARCH_H__
  14
  15 #include "os.h"
  16 #include "signal.h"
  17 #include "thread.h"
  18
  19 /* Do anything we need to do when starting up the runtime environment
  20  * on this architecture. */
  21 extern void arch_init(void);
  22
  23 /* FIXME: It would be good to document these too! */
  24 extern void arch_skip_instruction(os_context_t*);
  25 extern boolean arch_pseudo_atomic_atomic(os_context_t*);
  26 extern void arch_set_pseudo_atomic_interrupted(os_context_t*);
  27 extern void arch_clear_pseudo_atomic_interrupted(os_context_t*);
  28 extern os_vm_address_t arch_get_bad_addr(int, siginfo_t*, os_context_t*);
  29 extern unsigned char *arch_internal_error_arguments(os_context_t*);
  30 extern unsigned int arch_install_breakpoint(void *pc);
  31 extern void arch_remove_breakpoint(void *pc, unsigned int orig_inst);
  32 extern void arch_install_interrupt_handlers(void);
  33 extern void arch_do_displaced_inst(os_context_t *context,
  34                                    unsigned int orig_inst);
  35
  36 extern int arch_os_thread_init(struct thread *thread);
  37 extern int arch_os_thread_cleanup(struct thread *thread);
  38
  39 extern lispobj funcall0(lispobj function);
  40 extern lispobj funcall1(lispobj function, lispobj arg0);
  41 extern lispobj funcall2(lispobj function, lispobj arg0, lispobj arg1);
  42 extern lispobj funcall3(lispobj function, lispobj arg0, lispobj arg1,
  43                         lispobj arg2);
  44 extern lispobj *component_ptr_from_pc(lispobj *pc);
  45
  46 extern void fpu_save(void *);
  47 extern void fpu_restore(void *);
  48
  49 #ifdef LISP_FEATURE_X86
  50 extern unsigned int * single_stepping;
  51 extern void restore_breakpoint_from_single_step(os_context_t * context);
  52 #endif
  53
  54 extern void arch_handle_breakpoint(os_context_t* context);
  55 extern void arch_handle_fun_end_breakpoint(os_context_t *context);
  56 #ifdef trap_AfterBreakpoint
  57 extern void arch_handle_after_breakpoint(os_context_t *context);
  58 #endif
  59 #ifdef trap_SingleStepAround
  60 extern void arch_handle_single_step_trap(os_context_t *context, int trap);
  61 #endif
  62
  63 #endif /* __ARCH_H__ */