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Treat all of ^__ as compiler namespace and do not rename those

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symbols.  This fixes e.g. fortify and sh3 millicode issues.  This
is still not perfect, however, since e.g. the MIPS _gp_disp is not
in ^__.

XXX: we provide a few ^__ symbols in the kernel, but those can be
easily renamed.  The harder problem is how to keep the kernel clean
of those afterwards.
This commit is contained in:
pooka 2009-01-11 12:55:37 +00:00
parent fe82ae1baf
commit 893db2f6ab
1 changed files with 2 additions and 2 deletions
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4
sys/rump/Makefile.rump
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@ -1,4 +1,4 @@
# $NetBSD: Makefile.rump,v 1.27 2009/01/10 23:38:40 pooka Exp $ # $NetBSD: Makefile.rump,v 1.28 2009/01/11 12:55:37 pooka Exp $
# #
WARNS?= 4 WARNS?= 4
@ -48,7 +48,7 @@ __archivebuild: .USE
.if ${MACHINE_CPU} != "mips" && ${MACHINE_CPU} != "sh3" \ .if ${MACHINE_CPU} != "mips" && ${MACHINE_CPU} != "sh3" \
&& ${MACHINE_CPU} != "arm" && ${MACHINE_CPU} != "vax" && ${MACHINE_CPU} != "arm" && ${MACHINE_CPU} != "vax"
${NM} -go ${.TARGET} | ${TOOL_AWK} ' \ ${NM} -go ${.TARGET} | ${TOOL_AWK} ' \
$$NF!~/^(rump|RUMP|__(start|stop)_link_set|_GLOBAL_OFFSET_TABLE)/ \ $$NF!~/^(rump|RUMP|__|_GLOBAL_OFFSET_TABLE)/ \
{printf "%s rumpns_%s\n", $$NF, $$NF}' \ {printf "%s rumpns_%s\n", $$NF, $$NF}' \
| sort | uniq > renametab.${.TARGET} | sort | uniq > renametab.${.TARGET}
${OBJCOPY} --redefine-syms renametab.${.TARGET} ${.TARGET} ${OBJCOPY} --redefine-syms renametab.${.TARGET} ${.TARGET}