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10 Commits

Author SHA1 Message Date
thorpej
ecd90c39d1 Add support for ELF core files. 2001-12-09 23:26:51 +00:00
thorpej
06cf8784f0 Add _initialize_armnbsd_nat(), which registers our core file 
handlers.  Whee, can fetch registers from core files now.
 2001-11-20 02:58:31 +00:00
bjh21
18f0b6b3bd Move the code for splitting and joining a 26-bit R15 into arm-tdep.c, since 
it should be sharable with other 26-bit systems (Linux, RISC iX?).

Also use supply_register(), since it seems to be the modern thing to do.
 2001-10-29 20:37:59 +00:00
bjh21
b685397e2d When fetching registers, if CPSR is zero (and hence we've just fetched from 
a 26-bit target), split R15 into PC and CPSR.  Similarly, when storing
registers, copy CPSR back into R15 if CPSR indicates a 26-bit mode.
This makes single-stepping work correctly on arm26.

Also, when fetching registers, set arm_apcs_32 based on the mode the target's
in.  This removes the need to kludge it manually.  The variable should really
be lost entirely, and arm-tdep.c should look at the mode bits in CPSR, but
the ARM Linux target is horribly broken in this area, and will either need
fixing or working around.
 2001-10-25 20:55:13 +00:00
bjh21
8523ec52e8 Replace Mark Brinicombe's NetBSD/arm glue with Richard Earnshaw's, since the 
latter is likely to be easier to get into the GNU sources.  I believe the only
functional change is the loss of a working get_longjmp_target().
 2001-10-22 21:09:47 +00:00
bjh21
27c601625f Apply Richard Earnshaw's gdb.step.patch, which adds software single-step 
support to GDB ARM targets in general, and make corresponding changes to
NetBSD-specific code.

The first half of this has already been send to gdb-patches by Richard.
The second half is irrelevant to them since they don't yet have NetBSD/arm
support in their tree yet.
 2001-10-22 18:58:50 +00:00
bjh21
318cfb14be Add a hack to automatically switch to 26-bit mode when starting up on an 
arm26 system.  This could be done better.
 2001-10-20 17:44:58 +00:00
bjh21
e426602284 Update ARM software single-stepping support to work with GDB 5.0. 2001-10-19 00:53:21 +00:00
bjh21
02e1edfb30 Small changes to make GDB for arm--netbsdelf compile: 
1: Don't include arm-convert.o.  arm-convert.s contains only comments, and our
   build procedure can't cope with .s files.
2: Add "check_format" and "core_sniffer" entries to netbsd_core_fns, the same
   as in i386nbsd_nat.c.

The first of these will need toolchain2netbsd to be re-run.  While these
changes let GDB compile, I haven't tried running it on an ARM ELF system yet.
 2001-10-18 15:52:57 +00:00
matt
4fbde64366 More changes to get gdb to run on NetBSD/arm 2001-07-15 07:43:12 +00:00