diff options
Diffstat (limited to 'src/pkg/runtime/runtime.h')
| -rw-r--r-- | src/pkg/runtime/runtime.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/pkg/runtime/runtime.h b/src/pkg/runtime/runtime.h index a0c0dd7a1..adb83116b 100644 --- a/src/pkg/runtime/runtime.h +++ b/src/pkg/runtime/runtime.h @@ -62,6 +62,7 @@ typedef struct Itab Itab; typedef struct Eface Eface; typedef struct Type Type; typedef struct Defer Defer; +typedef struct Panic Panic; typedef struct hash Hmap; typedef struct Hchan Hchan; typedef struct Complex64 Complex64; @@ -98,6 +99,7 @@ enum Gwaiting, Gmoribund, Gdead, + Grecovery, }; enum { @@ -176,7 +178,8 @@ struct G byte* stackguard; // cannot move - also known to linker, libmach, libcgo byte* stackbase; // cannot move - also known to libmach, libcgo Defer* defer; - Gobuf sched; // cannot move - also known to libmach + Panic* panic; + Gobuf sched; byte* stack0; byte* entry; // initial function G* alllink; // on allg @@ -186,6 +189,7 @@ struct G uint32 selgen; // valid sudog pointer G* schedlink; bool readyonstop; + bool ispanic; M* m; // for debuggers, but offset not hard-coded M* lockedm; void (*cgofn)(void*); // for cgo/ffi @@ -240,6 +244,7 @@ struct Stktop // function call, which uses an off-stack argument frame. uint8* fp; bool free; // call stackfree for this frame? + bool panic; // is this frame the top of a panic? }; struct Alg { @@ -311,12 +316,24 @@ struct Defer { int32 siz; byte* sp; + byte* pc; byte* fn; Defer* link; byte args[8]; // padded to actual size }; /* + * panics + */ +struct Panic +{ + Eface arg; // argument to panic + byte* stackbase; // g->stackbase in panic + Panic* link; // link to earlier panic + bool recovered; // whether this panic is over +}; + +/* * external data */ extern Alg algarray[Amax]; @@ -400,6 +417,7 @@ void* malloc(uintptr size); void free(void *v); void addfinalizer(void*, void(*fn)(void*), int32); void walkfintab(void (*fn)(void*)); +void runpanic(Panic*); void exit(int32); void breakpoint(void); |