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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 5084d 15h /openrisc/trunk/gnu-src
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 5084d 15h /openrisc/trunk/gnu-src
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 5084d 15h /openrisc/trunk/gnu-src
238 Added OS X build notes to gnu-src README julius 5099d 12h /openrisc/trunk/gnu-src
237 Fixes bug in handling single stepping. jeremybennett 5100d 08h /openrisc/trunk/gnu-src
232 Brought documentation up to date. jeremybennett 5102d 13h /openrisc/trunk/gnu-src
229 Changes to allow GDB 7.1 tests to run and to remove a couple of $Id$ that were confusing SVN. jeremybennett 5103d 11h /openrisc/trunk/gnu-src
228 Updated for separate compilation etc of GDB 7.1 jeremybennett 5103d 18h /openrisc/trunk/gnu-src
227 GDB 7.1 for OpenRISC 1000. Initial checkin. jeremybennett 5104d 05h /openrisc/trunk/gnu-src
226 Orksim floating point support additions, spr-defs.h updates, newlib cache init routines updated julius 5105d 07h /openrisc/trunk/gnu-src

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