diff options
Diffstat (limited to 'src/pkg/runtime/mem_plan9.c')
| -rw-r--r-- | src/pkg/runtime/mem_plan9.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/src/pkg/runtime/mem_plan9.c b/src/pkg/runtime/mem_plan9.c index aec652995f..4f753adb4d 100644 --- a/src/pkg/runtime/mem_plan9.c +++ b/src/pkg/runtime/mem_plan9.c @@ -7,6 +7,7 @@ #include "arch_GOARCH.h" #include "malloc.h" #include "os_GOOS.h" +#include "../../cmd/ld/textflag.h" extern byte runtime·end[]; static byte *bloc = { runtime·end }; @@ -31,18 +32,41 @@ brk(uintptr nbytes) } bloc = (byte*)bl + nbytes; runtime·unlock(&memlock); - return (void*)bl; - + return (void*)bl; } -void* -runtime·sysAlloc(uintptr nbytes, uint64 *stat) +static void +sysalloc(void) { + uintptr nbytes; + uint64 *stat; void *p; + nbytes = g->m->scalararg[0]; + stat = g->m->ptrarg[0]; + g->m->scalararg[0] = 0; + g->m->ptrarg[0] = nil; + p = brk(nbytes); if(p != nil) runtime·xadd64(stat, nbytes); + + g->m->ptrarg[0] = p; +} + +#pragma textflag NOSPLIT +void* +runtime·sysAlloc(uintptr nbytes, uint64 *stat) +{ + void (*fn)(void); + void *p; + + g->m->scalararg[0] = nbytes; + g->m->ptrarg[0] = stat; + fn = sysalloc; + runtime·onM(&fn); + p = g->m->ptrarg[0]; + g->m->ptrarg[0] = nil; return p; } |