diff options
Diffstat (limited to 'src/pkg/runtime/freebsd/mem.c')
| -rw-r--r-- | src/pkg/runtime/freebsd/mem.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/pkg/runtime/freebsd/mem.c b/src/pkg/runtime/freebsd/mem.c index 7fb2c2807..cbae18718 100644 --- a/src/pkg/runtime/freebsd/mem.c +++ b/src/pkg/runtime/freebsd/mem.c @@ -10,10 +10,8 @@ runtime·SysAlloc(uintptr n) mstats.sys += n; v = runtime·mmap(nil, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_PRIVATE, -1, 0); - if(v < (void*)4096) { - runtime·printf("mmap: errno=%p\n", v); - runtime·throw("mmap"); - } + if(v < (void*)4096) + return nil; return v; } @@ -32,8 +30,19 @@ runtime·SysFree(void *v, uintptr n) runtime·munmap(v, n); } +void* +runtime·SysReserve(void *v, uintptr n) +{ + return runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0); +} void -runtime·SysMemInit(void) +runtime·SysMap(void *v, uintptr n) { + void *p; + + mstats.sys += n; + p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0); + if(p != v) + runtime·throw("runtime: cannot map pages in arena address space"); } |