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pseudo-register, not the same as a3.
(D2_REGNUM, D3_REGNUM, A2_REGNUM, A3_REGNUM): Define.
* mn10300-tdep.c (fix_frame_pointer): New function.
(set_movm_offsets): Use register number macros instead of
hard-coded constants.
(mn10300_analyze_prologue): Fix to handle redefinition of FP_REGNUM.
(mn10300_frame_chain): Fix to handle redefinition of FP_REGNUM;
use register number macros instead of hard-coded constants;
add missing parameter to call of mn10300_analyze_prologue.
(mn10300_frame_saved_pc): Use register number macros instead of
hard-coded constants.
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for setting frame address in optimized code; made unnecessary
by compiler fixes.
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by am33 register saves.
(mn10300_frame_saved_pc): Similarly.
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for mn10300_analyze_prologue.
(mn10300_analyze_prologue): Simplify by factoring out common code.
Fix bugs in setting frame address for optimized code.
Use read_memory_nobpt instead of target_read_memory.
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* mn10300-tdep.c: wrote/fixed implementations of
mn10300_frame_chain, mn10300_init_extra_frame_info,
mn10300_frame_saved_pc
* config/mn10300/tm-mn10300.h: redefine INIT_EXTRA_FRAME_INFO
and INIT_FRAME_PC macros
Backtracing starting to work correctly.
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* mn10300-tdep.c (mn10300_push_arguments): rewrote
also removed code elsewhere that made use of RP_REGNUM
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* config/mn10300/tm-mn10300.h: fix register names
* mn10300-tdep.c: new skeleton tdep for mn10300
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