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Add marker labels to the end of the exception-vector (and exception

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jump-table) locore entrypoints, so the stack traceback code can use
the end marker to handle entry points specially when doing  tracebacks,
even if it doesn't know about them  explicitly.
This commit is contained in:
jonathan 1996-10-13 08:45:15 +00:00
parent 96eb3c22a4
commit a179b23932
2 changed files with 17 additions and 1 deletions
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9
sys/arch/mips/mips/locore_r2000.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore_r2000.S,v 1.25 1996/10/13 07:45:03 jonathan Exp $ */
/* $NetBSD: locore_r2000.S,v 1.26 1996/10/13 08:45:17 jonathan Exp $ */
/*
* Copyright (c) 1992, 1993
@ -601,6 +601,13 @@ NNON_LEAF(mips_r2000_UserIntr, STAND_FRAME_SIZE, ra)
.set at
END(mips_r2000_UserIntr)
/*
* Mark where code entreed from exception hander jumptable
* ends, for stack traceback code.
*/
.globl _C_LABEL(mips1_exceptionentry_end)
_C_LABEL(mips1_exceptionentry_end):
/*----------------------------------------------------------------------------

9
sys/arch/mips/mips/locore_r4000.S
View File

@ -775,6 +775,15 @@ sys_stk_chk:
END(mips_r4000_TLBMissException)
/*
* Mark where code entreed from exception hander jumptable
* ends, for stack traceback code.
*/
.globl _C_LABEL(mips3_exceptionentry_end)
_C_LABEL(mips3_exceptionentry_end):
/*--------------------------------------------------------------------------
*
* mips_r4000_TLBWriteIndexed --