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compatibility issue for MacOS X

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kr.angelov
2013-06-26 07:03:32 +00:00
parent 38b3dfcad6
commit 966d3aee3f
2 changed files with 5 additions and 9 deletions
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8
src/runtime/c/pgf/jit.c
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@@ -48,16 +48,12 @@ pgf_jit_alloc_page(PgfJitState* state)
{ {
void *page; void *page;
size_t page_size = sysconf(_SC_PAGESIZE); size_t page_size = getpagesize();
total_size += page_size; total_size += page_size;
if (posix_memalign(&page, page_size, page_size) != 0) { if (posix_memalign(&page, page_size, page_size) != 0) {
gu_fatal("Memory allocation failed"); gu_fatal("Memory allocation failed");
} }
if (mprotect(page, page_size,
PROT_READ | PROT_WRITE | PROT_EXEC) != 0) {
gu_fatal("mprotect failed");
}
PgfPageFinalizer* fin = gu_new(PgfPageFinalizer, state->pool); PgfPageFinalizer* fin = gu_new(PgfPageFinalizer, state->pool);
fin->fin.fn = pgf_jit_finalize_page; fin->fin.fn = pgf_jit_finalize_page;
@@ -85,7 +81,7 @@ pgf_jit_init(GuPool* tmp_pool, GuPool* pool)
static void static void
pgf_jit_make_space(PgfJitState* state) pgf_jit_make_space(PgfJitState* state)
{ {
size_t page_size = sysconf(_SC_PAGESIZE); size_t page_size = getpagesize();
if (jit_get_ip().ptr + JIT_CODE_WINDOW > ((char*) state->buf) + page_size) { if (jit_get_ip().ptr + JIT_CODE_WINDOW > ((char*) state->buf) + page_size) {
jit_flush_code(state->buf, jit_get_ip().ptr); jit_flush_code(state->buf, jit_get_ip().ptr);
pgf_jit_alloc_page(state); pgf_jit_alloc_page(state);

6
src/runtime/c/pgf/lightning/i386/funcs.h
View File

@@ -34,7 +34,7 @@
#ifndef __lightning_funcs_h #ifndef __lightning_funcs_h
#define __lightning_funcs_h #define __lightning_funcs_h
#ifdef __linux__ #if defined(__linux__) || defined(__APPLE__)
#include <unistd.h> #include <unistd.h>
#include <sys/mman.h> #include <sys/mman.h>
#endif #endif
@@ -51,7 +51,7 @@ jit_flush_code(void *dest, void *end)
execution of the data and stack segment are becoming more execution of the data and stack segment are becoming more
and more common (Fedora, for example), so we implement our and more common (Fedora, for example), so we implement our
jit_flush_code as an mprotect. */ jit_flush_code as an mprotect. */
#ifdef __linux__ #if defined(__linux__) || defined(__APPLE__)
static unsigned long prev_page = 0, prev_length = 0; static unsigned long prev_page = 0, prev_length = 0;
unsigned long page, length; unsigned long page, length;
#ifdef PAGESIZE #ifdef PAGESIZE
@@ -59,7 +59,7 @@ jit_flush_code(void *dest, void *end)
#else #else
static int page_size = -1; static int page_size = -1;
if (page_size == -1) if (page_size == -1)
page_size = sysconf (_SC_PAGESIZE); page_size = getpagesize();
#endif #endif
page = (long) dest & ~(page_size - 1); page = (long) dest & ~(page_size - 1);