pike.git / src / program.c

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pike.git/src/program.c:1:   /*   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id: program.c,v 1.607 2006/08/08 22:23:11 mast Exp $ + || $Id: program.c,v 1.608 2006/08/09 01:55:45 mast Exp $   */      #include "global.h"   #include "program.h"   #include "object.h"   #include "dynamic_buffer.h"   #include "pike_types.h"   #include "stralloc.h"   #include "las.h"   #include "lex.h"
pike.git/src/program.c:8203:   void make_program_executable(struct program *p)   {    if (!p->num_program) return;    if ((p->event_handler == compat_event_handler) &&    ((p->num_program * sizeof(p->program[0]) <=    (NUM_PROG_EVENTS * sizeof(p->event_handler))))) {    /* Only event handlers. */    return;    }    - #ifdef _WIN32 + #ifndef USE_MY_MEXEC_ALLOC    { -  DWORD old_prot; -  if (!VirtualProtect (p->program, -  p->num_program * sizeof (p->program[0]), -  PAGE_EXECUTE_READWRITE, &old_prot)) -  Pike_fatal ("VirtualProtect failed, code %d.\n", GetLastError()); -  } - #else /* _WIN32 */ -  { +     /* Perform page alignment. */    void *addr = (void *)(((size_t)p->program) & ~(page_size-1));    size_t len = (((char *)(p->program + p->num_program)) - ((char *)addr) +    (page_size - 1)) & ~(page_size-1);    - #if !defined(HAVE_MMAP) || !defined(MEXEC_USES_MMAP) +     if (mprotect(addr, len, PROT_EXEC | PROT_READ | PROT_WRITE) < 0) {   #if 0    fprintf(stderr, "%p:%d: mprotect(%p, %lu, 0x%04x): errno: %d\n",    (void *)p->program,    (unsigned long)(p->num_program*sizeof(p->program[0])),    addr, len,    PROT_EXEC | PROT_READ | PROT_WRITE,    errno);   #endif /* 0 */    } - #endif /* !HAVE_MMAP || !MEXEC_USES_MMAP */ +     } - #endif /* _WIN32 */ + #endif /* USE_MY_MEXEC_ALLOC */      #ifdef HAVE_SYNC_INSTRUCTION_MEMORY    sync_instruction_memory(p->program,    p->num_program*sizeof(p->program[0]));   #elif defined(FLUSH_INSTRUCTION_CACHE)    FLUSH_INSTRUCTION_CACHE(p->program,    p->num_program*sizeof(p->program[0]));   #endif /* HAVE_SYNC_INSTRUCTION_MEMORY || FLUSH_INSTRUCTION_CACHE */   }   #endif