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(_trampoline): Rework last change; both getpagesize and mprotect are

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in cygwin32.

From-SVN: r14636
This commit is contained in:
Richard Kenner 1997-08-02 18:27:33 -04:00
parent b080c137d7
commit 272e2587a2
1 changed files with 15 additions and 13 deletions
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28
gcc/libgcc2.c
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@ -2718,9 +2718,7 @@ __clear_cache (char *beg, char *end)
/* Jump to a trampoline, loading the static chain address. */
#ifdef WINNT
#ifndef __CYGWIN32__
#if defined(WINNT) && ! defined(__CYGWIN32__)
long getpagesize()
{
@ -2731,28 +2729,32 @@ long getpagesize()
#endif
}
#endif
#ifdef i386
extern int VirtualProtect (char *, int, int, int *) __attribute__((stdcall));
#endif
int mprotect(char *addr, int len, int prot)
int
mprotect (char *addr, int len, int prot)
{
int np, op;
if (prot == 7) np = 0x40;
else if (prot == 5) np = 0x20;
else if (prot == 4) np = 0x10;
else if (prot == 3) np = 0x04;
else if (prot == 1) np = 0x02;
else if (prot == 0) np = 0x01;
if (prot == 7)
np = 0x40;
else if (prot == 5)
np = 0x20;
else if (prot == 4)
np = 0x10;
else if (prot == 3)
np = 0x04;
else if (prot == 1)
np = 0x02;
else if (prot == 0)
np = 0x01;
if (VirtualProtect (addr, len, np, &op))
return 0;
else
return -1;
}
#endif