src/runtime/linux-os.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 #include <stdlib.h>
  13 #include <sys/types.h>
  14 #include <sys/mman.h>
  15 #include <signal.h>
  16 #include <ucontext.h>
  17 #include <string.h>
  18  /* #include <dlfcn.h> */
  19 #include <sys/time.h>
  20 #include <sys/stat.h>
  21 #include <unistd.h>
  22 #include <sys/syscall.h>
  23 #include <asm/unistd.h>
  24 #include <linux/version.h>
  25
  26 // Needs to be defined before including target-arch.h
  27 typedef caddr_t os_vm_address_t;
  28 typedef size_t os_vm_size_t;
  29 typedef off_t os_vm_offset_t;
  30 typedef int os_vm_prot_t;
  31
  32 #include "target-arch-os.h"
  33 #include "target-arch.h"
  34 #define linuxversion(a, b, c) (((a)<<16)+((b)<<8)+(c))
  35
  36 #define OS_VM_PROT_READ    PROT_READ
  37 #define OS_VM_PROT_WRITE   PROT_WRITE
  38 #define OS_VM_PROT_EXECUTE PROT_EXEC
  39
  40 #define SIG_MEMORY_FAULT SIGSEGV
  41
  42 /* Note that this must be higher than the highest numbered
  43  * synchronously generated signal that we handle (that is SIGSEGV),
  44  * due to Linux signal handling pecularities. See thread "Signal
  45  * delivery order" from 2009-03-14 on kernel-devel@vger.kernel.org. */
  46 #define SIG_STOP_FOR_GC (SIGUSR2)