Frederic Konrad fe1db400ad [Ada] Fix __gnat_backtrace for VxWorks7 on x86
A STORAGE ERROR is raised in __gnat_backtrace:

adainit: 0x00400DBC

Execution of ce.vxe terminated by unhandled exception
raised STORAGE_ERROR : SIGSEGV: possible stack overflow
Call stack traceback locations:
0x4082f1 0x408323 0x4080c9

It was passing with vxsim because the WRS_RTP_BASE is set to a different
place hence the (CURRENT) < (TOP_STACK) was stopping the backtrace at the
right time. So let's stop at the main symbol when RTS=rtp.

2018-05-31  Frederic Konrad  <konrad@adacore.com>

gcc/ada/

	* tracebak.c (STOP_FRAME): Harden condition.
	(is_return_from, EXTRA_STOP_CONDITION): New helpers for VxWorks in RTP
	mode.

From-SVN: r261010
2018-05-31 10:47:08 +00:00
2018-01-03 11:03:58 +01:00
2017-11-28 11:35:37 +01:00

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