diff options
Diffstat (limited to 'gdb/config/arm/tm-arm.h')
| -rw-r--r-- | gdb/config/arm/tm-arm.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/gdb/config/arm/tm-arm.h b/gdb/config/arm/tm-arm.h index 8a3553ff622..4fbeafd7e5e 100644 --- a/gdb/config/arm/tm-arm.h +++ b/gdb/config/arm/tm-arm.h @@ -290,8 +290,10 @@ extern use_struct_convention_fn arm_use_struct_convention; int frameoffset; \ int framereg; -extern void arm_init_extra_frame_info PARAMS ((struct frame_info * fi)); -#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) arm_init_extra_frame_info (fi) +extern void arm_init_extra_frame_info PARAMS ((int fromleaf, + struct frame_info *fi)); +#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \ + arm_init_extra_frame_info (fromleaf, fi) /* Return the frame address. On ARM, it is R11; on Thumb it is R7. */ CORE_ADDR arm_target_read_fp PARAMS ((void)); @@ -314,11 +316,25 @@ extern int arm_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *)); /* Define other aspects of the stack frame. */ -/* An expression that tells us whether the function invocation represented - by FI does not have a frame on the stack associated with it. */ -extern int arm_frameless_function_invocation PARAMS ((struct frame_info * frame)); -#define FRAMELESS_FUNCTION_INVOCATION(FI) (arm_frameless_function_invocation (FI)) - +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. + + Sometimes we have functions that do a little setup (like saving the vN + registers with the stmdb instruction, but DO NOT set up a frame. + The symbol table will report this as a prologue. However, it is + important not to try to parse these partial frames as frames, or we + will get really confused. + + So I will demand 3 instructions between the start & end of the prologue + before I call it a real prologue, i.e. at least + mov ip, sp, + stmdb sp!, {} + sub sp, ip, #4. */ + +#define FRAMELESS_FUNCTION_INVOCATION(FI) \ +(arm_frameless_function_invocation (FI)) + /* Saved Pc. */ #define FRAME_SAVED_PC(FRAME) arm_frame_saved_pc (FRAME) |