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Re: [PATCH/RFA] Add some constants in mips-tdep.h
Date: Mon, 25 Oct 2004 20:40:10 -0400
From: Andrew Cagney <cagney@gnu.org>
Mark Kettenis wrote:
> Date: Sun, 24 Oct 2004 17:18:59 +0200 (CEST)
> From: mark Kettenis <kettenis@gnu.org>
>
> Hi Andrew,
>
> This adds some symbolic constants to mips-tdep.h that I'd like to use
> to implement OpenBSD/mips64 signal trampoline support.
>
> OK?
>
> Argh! I shouldn't make any last-minute changes just to make it easier
> to add a proper ChangeLog entry.
M'kay.
Hope you don't mind that I sneaked in a few more register numbers.
I'll submit a patch shortly to use these in the various mips*-tdep.c
files such that we can remove the old #defines from tm-mips.h.
Cheers,
Mark
Index: ChangeLog
from Mark Kettenis <kettenis@gnu.org>
* mips-tdep.h: Add MIPS_ZERO_REGNUM, MIPS_AT_REGNUM,
MIPS_V0_REGNUM. MIPS_A0_REGNUM, MIPS_T9_REGNUM and MIPS_RA_REGNUM
to enum with register numbers.
(enum mips_insn_size): New enum.
Index: mips-tdep.h
===================================================================
RCS file: /cvs/src/src/gdb/mips-tdep.h,v
retrieving revision 1.9
diff -u -p -r1.9 mips-tdep.h
--- mips-tdep.h 26 Oct 2004 14:13:23 -0000 1.9
+++ mips-tdep.h 26 Oct 2004 18:48:21 -0000
@@ -61,8 +61,15 @@ struct mips_regnum
};
extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);
-enum {
+enum
+{
+ MIPS_ZERO_REGNUM = 0,
+ MIPS_AT_REGNUM = 1,
+ MIPS_V0_REGNUM = 2,
+ MIPS_A0_REGNUM = 4,
+ MIPS_T9_REGNUM = 25,
MIPS_SP_REGNUM = 29,
+ MIPS_RA_REGNUM = 31,
MIPS_EMBED_LO_REGNUM = 33,
MIPS_EMBED_HI_REGNUM = 34,
MIPS_EMBED_BADVADDR_REGNUM = 35,
@@ -74,6 +81,13 @@ enum {
/* Defined in mips-tdep.c and used in remote-mips.c */
extern void deprecated_mips_set_processor_regs_hack (void);
+/* Instruction sizes. */
+enum mips_insn_size
+{
+ MIPS16_INSN_SIZE = 2,
+ MIPS32_INSN_SIZE = 4
+};
+
/* Single step based on where the current instruction will take us. */
extern void mips_software_single_step (enum target_signal, int);