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248 Fixed two bugs in GDB tests.

* gdb.base/break.exp: Test for breakpoint at marker4, output
should be identical whether run with or without prototypes.
* gdb.base/call-sc.exp (test_scalar_returns): When the result of a
return is unknown, the value returned is undefined, not unchanged.		 jeremybennett 5054d 06h /
247 Set DWARF2 as the default debugging format. Clear out redundant code from
header.

* config/or32/elf.h <DWARF2_DEBUGGING_INFO>: Defined.
<PREFERRED_DEBUGGING_TYPE>: Changed to DWARF2_DEBUG.
<PUT_SDB_DEF>: Deleted.
* config/or32/or32.h: Obsolete code surrounded by "#if 0" removed
for clarity.
<SDB_DELIM>: Definition deleted.
<DBX_CONTIN_LENGTH, DBX_CONTIN_CHAR, DBX_REGISTER_NUMBER>:
Definition deleted (default suffices).
<DWARF2_UNWIND_INFO, DWARF2_FRAME_INFO>: Defined.
<DWARF2_ASM_LINE_DEBUG_INFO, INCOMIN_RETURN_ADDR_RTX>: Defined.
* config/or32/or32.md: Commenting clarified. Obsolete code for
define_function_unit deleted.		 jeremybennett 5054d 06h /
246 ORPmon update - compatiable with new GCC, added new spr-defs file, better tboot reliability julius 5055d 19h /
245 Fixed minor glitch in build script. Corrected newlib options and added GDB options for simulator script. Updated README to refer to IRC channel. jeremybennett 5059d 03h /
244 Don't try to skip prologue using SAL info (fails with STABS). Fuller check of prologue. Change register names to rnn from gprnn to match assembler. Add debug option to simulator wrapper.

* or32-tdep.c (or32_register_name): Changed to rnn rather than
gprnn to mach the assembler.
(or32_is_arg_reg, or32_is_callee_saved_reg): Added.
(or32_skip_prologue): Don't use skip_prologue_using_sal. Check for
argument as well as callee saved registers in prologue.
(or32_frame_cache):Check for argument as well as callee saved
registers in prologue.

* wrapper.c: OR32_SIM_DEBUG added to control debug messages.
(sim_close, sim_load, sim_create_inferior, sim_fetch_register)
(sim_stop): Debug statement added.
(sim_read, sim_write): Debug statements now controlled by
OR32_SIM_DEBUG.
(sim_store_register, sim_resume): Debug statement added and
existing debug statements now controlled by OR32_SIM_DEBUG.		 jeremybennett 5059d 03h /
243 Fixed libgloss for compiled code with leading underscores removed.

* libgloss/or32/crt0.S (_start): Remove all leading underscores from
references to global C functions and variables (printf, stack,
atexit, _uart_init, main). Modified end of memory detection, so it
works on rentry as well as initial entry. <buserr>: New code to
allow re-entrant _start function.		 jeremybennett 5059d 03h /
242 Generate global symbols without leading underscore. Tidy up generation of .proc directive.

* config/or32/elf.h <PUT_SDB_DEF>: Definition removed.
<USER_LABEL_PREFIX>: Modified to match or32.h
* config/or32/linux-elf.h<USER_LABEL_PREFIX>: Modified to match
or32.h
* config/or32/or32.h <LIB_SPEC>: Changed to use free instead of
_free to match change in USER_LABEL_PREFIX.
<USER_LABEL_PREFIX>: Changed from "_" to "".
<ASM_OUTPUT_FUNCTION_PREFIX>: Surround .proc by tab chars.
* config/or32/or32.S (__mulsi3, __udivsi3, __divsi3, __umodsi3)
(__modsi3): Changed from ___mulsi3, ___udivsi3, ___divsi3,
___umodsi3 and ___modsi3 respectively to match change in
USER_LABEL_PREFIX.		 jeremybennett 5059d 03h /
241 Ensure register and symbol operands are never confused.

* gas/config/tc-or32.c (parse_operand): New argument to specify that
operand is a register.
(machine_ip): All uses of parse_operand updated to use new argument.		 jeremybennett 5059d 03h /
240 or1ksim build fixups for Cygwin copilation julius 5071d 04h /
239 or1ksim fixed SPR_VR_RESV value julius 5073d 00h /

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