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Refactor Nios II GDB support to use helper functions for disassembly and

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instruction matching.

2014-11-25  Sandra Loosemore  <sandra@codesourcery.com>

	gdb/
	* nios2-tdep.c (nios2_fetch_insn): Move up in file.  Disassemble
	the instruction as well as reading it from memory.
	(nios2_match_add): New.
	(nios2_match_sub): New.
	(nios2_match_addi): New.
	(nios2_match_orhi): New.
	(nios2_match_stw): New.
	(nios2_match_ldw): New.
	(nios2_match_rdctl): New.
	(enum branch_condition): New.
	(nios2_match_branch): New.
	(nios2_match_jmpi): New.
	(nios2_match_calli): New.
	(nios2_match_jmpr): New.
	(nios2_match_callr): New.
	(nios2_match_break): New.
	(nios2_match_trap): New.
	(nios2_in_epilogue_p): Rewrite to use new functions.
	(nios2_analyze_prologue): Likewise.
	(nios2_skip_prologue): Delete unused local limit_pc.
	(nios2_breakpoint_from_pc): Make R1-specific encodings explicit.
	(nios2_get_next_pc): Rewrite to use new functions.
This commit is contained in:
Sandra Loosemore 2014-11-25 18:34:51 -08:00
parent a20605cf85
commit d53c26c753
2 changed files with 581 additions and 308 deletions
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25
gdb/ChangeLog
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@ -1,3 +1,28 @@
2014-11-25 Sandra Loosemore <sandra@codesourcery.com>
* nios2-tdep.c (nios2_fetch_insn): Move up in file. Disassemble
the instruction as well as reading it from memory.
(nios2_match_add): New.
(nios2_match_sub): New.
(nios2_match_addi): New.
(nios2_match_orhi): New.
(nios2_match_stw): New.
(nios2_match_ldw): New.
(nios2_match_rdctl): New.
(enum branch_condition): New.
(nios2_match_branch): New.
(nios2_match_jmpi): New.
(nios2_match_calli): New.
(nios2_match_jmpr): New.
(nios2_match_callr): New.
(nios2_match_break): New.
(nios2_match_trap): New.
(nios2_in_epilogue_p): Rewrite to use new functions.
(nios2_analyze_prologue): Likewise.
(nios2_skip_prologue): Delete unused local limit_pc.
(nios2_breakpoint_from_pc): Make R1-specific encodings explicit.
(nios2_get_next_pc): Rewrite to use new functions.
2014-11-24 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdbtypes.c (resolve_dynamic_type_internal): Reindent the code.

864
gdb/nios2-tdep.c
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