diff options
Diffstat (limited to 'src/pkg/runtime/malloc.goc')
| -rw-r--r-- | src/pkg/runtime/malloc.goc | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/pkg/runtime/malloc.goc b/src/pkg/runtime/malloc.goc index 47eb005894..516182c1cf 100644 --- a/src/pkg/runtime/malloc.goc +++ b/src/pkg/runtime/malloc.goc @@ -496,53 +496,6 @@ runtime·MHeap_SysAlloc(MHeap *h, uintptr n) return p; } -static struct -{ - Lock; - byte* pos; - byte* end; -} persistent; - -enum -{ - PersistentAllocChunk = 256<<10, - PersistentAllocMaxBlock = 64<<10, // VM reservation granularity is 64K on windows -}; - -// Wrapper around SysAlloc that can allocate small chunks. -// There is no associated free operation. -// Intended for things like function/type/debug-related persistent data. -// If align is 0, uses default align (currently 8). -void* -runtime·persistentalloc(uintptr size, uintptr align) -{ - byte *p; - - if(align) { - if(align&(align-1)) - runtime·throw("persistentalloc: align is now a power of 2"); - if(align > PageSize) - runtime·throw("persistentalloc: align is too large"); - } else - align = 8; - if(size >= PersistentAllocMaxBlock) - return runtime·SysAlloc(size); - runtime·lock(&persistent); - persistent.pos = (byte*)ROUND((uintptr)persistent.pos, align); - if(persistent.pos + size > persistent.end) { - persistent.pos = runtime·SysAlloc(PersistentAllocChunk); - if(persistent.pos == nil) { - runtime·unlock(&persistent); - runtime·throw("runtime: cannot allocate memory"); - } - persistent.end = persistent.pos + PersistentAllocChunk; - } - p = persistent.pos; - persistent.pos += size; - runtime·unlock(&persistent); - return p; -} - static Lock settype_lock; void |