kotovalexarian-likes-github
/
ruby--ruby
mirror of https://github.com/ruby/ruby.git
1
0
Fork 0
Code Releases Activity

Fix some bornheads

This commit is contained in:
U.Nakamura 2021-12-27 17:15:09 +09:00
parent 9790f54bff
commit 4e007d705c
2 changed files with 39 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
include/ruby/win32.h
View File

@ -813,18 +813,7 @@ extern int rb_w32_mprotect(void *, size_t, int);
#define mmap(a, l, p, f, d, o) rb_w32_mmap(a, l, p, f, d, o)
#define munmap(a, l) rb_w32_munmap(a, l)
static inline int
mprotect(void *addr, size_t len, int prot)
{
if (prot | PROT_EXEC) {
if (!FlushInstructionCache(GetCurrentProcess(), addr, len)) {
errno = rb_w32_map_errno(GetLastError());
return -1;
}
}
return 0;
}
#define mprotect(a, l, prot) rb_w32_mprotect(a, l, prot)
#if defined(__cplusplus)
#if 0

39
win32/win32.c
View File

@ -8209,6 +8209,8 @@ void *
rb_w32_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset)
{
void *ptr;
//DWORD protect = 0;
DWORD protect = PAGE_EXECUTE_READWRITE;
if (fd > 0 || offset) {
/* not supported */
@ -8216,7 +8218,16 @@ rb_w32_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset)
return MAP_FAILED;
}
ptr = VirtualAlloc(addr, len, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
/*
if (prot & PROT_EXEC) {
if (prot & PROT_WRITE) protect = PAGE_EXECUTE_READWRITE;
else if (prot & PROT_READ) protect = PAGE_EXECUTE_READ;
else protect = PAGE_EXECUTE;
}
else if (prot & PROT_WRITE) protect = PAGE_READWRITE;
else if (prot & PROT_READ) protect = PAGE_READONLY;
*/
ptr = VirtualAlloc(addr, len, MEM_RESERVE | MEM_COMMIT, protect);
if (!ptr) {
errno = rb_w32_map_errno(GetLastError());
return MAP_FAILED;
@ -8235,3 +8246,29 @@ rb_w32_munmap(void *addr, size_t len)
return 0;
}
inline int
rb_w32_mprotect(void *addr, size_t len, int prot)
{
/*
DWORD protect = 0;
if (prot & PROT_EXEC) {
if (prot & PROT_WRITE) protect = PAGE_EXECUTE_READWRITE;
else if (prot & PROT_READ) protect = PAGE_EXECUTE_READ;
else protect = PAGE_EXECUTE;
}
else if (prot & PROT_WRITE) protect = PAGE_READWRITE;
else if (prot & PROT_READ) protect = PAGE_READONLY;
if (!VirtualProtect(addr, len, protect, NULL)) {
errno = rb_w32_map_errno(GetLastError());
return -1;
}
*/
if (prot | PROT_EXEC) {
if (!FlushInstructionCache(GetCurrentProcess(), addr, len)) {
errno = rb_w32_map_errno(GetLastError());
return -1;
}
}
return 0;
}