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-rw-r--r-- | gcc/frame.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/frame.h b/gcc/frame.h new file mode 100644 index 0000000..3b38053 --- /dev/null +++ b/gcc/frame.h @@ -0,0 +1,35 @@ +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of GNU CC. */ + +typedef struct frame_state +{ + void *cfa; + void *eh_ptr; + long cfa_offset; + long args_size; + long reg_or_offset[FIRST_PSEUDO_REGISTER+1]; + unsigned short cfa_reg; + unsigned short retaddr_column; + char saved[FIRST_PSEUDO_REGISTER+1]; +} frame_state; + +/* Values for 'saved' above. */ +#define REG_UNSAVED 0 +#define REG_SAVED_OFFSET 1 +#define REG_SAVED_REG 2 + +/* Called either from crtbegin.o or a static constructor to register the + unwind info for an object or translation unit, respectively. */ + +extern void __register_frame (void *); + +/* Called from crtend.o to deregister the unwind info for an object. */ + +extern void __deregister_frame (void *); + +/* Called from __throw to find the registers to restore for a given + PC_TARGET. The caller should allocate a local variable of `struct + frame_state' (declared in frame.h) and pass its address to STATE_IN. + Returns NULL on failure, otherwise returns STATE_IN. */ + +extern struct frame_state *__frame_state_for (void *, struct frame_state *); |