patches/gcc/4.2.1/230-libbackend_dep_gcov-iov.h.patch
author |
"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> |
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Tue Dec 13 23:32:39 2011 +0100 (2011-12-13) |
changeset 2807 |
4193d6e6a174 |
parent 313 |
2f223aafc7cb
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permissions |
-rw-r--r-- |
scripts: fix dumping execution backtrace
Dumping the backtrace has been broken since changeset #652e56d6d35a:
scripts: execute each steps in a subshell
We can spawn sub-sub-shells in some cases.
The way the fault handler works is to dump the backtrace, but to avoid
printing it once for every sub-shell (which could get quite confusing),
it simply exits when it detects that it is being run in a sub-shell,
leaving to the top-level shell the work to dump the backtrace.
Because each step is executed in its own sub-shell, the variable arrays
that contain the step name, the source file and line number, are lost
when exiting the per-step sub-shell.
Hence, the backtrace is currently limited to printing only the top-level
main procedure of the shell.
Fix this thus:
- when dumping the bckatraces for the steps & the functions, remember
it was dumped, and only dump it if it was not already dumped
- at the top-level shell, print the hints
Also, rename the top-level step label.
Reported-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
yann@313
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diff -durN gcc-4.2.1.orig/gcc/Makefile.in gcc-4.2.1/gcc/Makefile.in
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--- gcc-4.2.1.orig/gcc/Makefile.in 2007-05-31 17:37:38.000000000 +0200
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+++ gcc-4.2.1/gcc/Makefile.in 2007-08-03 20:36:14.000000000 +0200
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@@ -2660,7 +2660,7 @@
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# FIXME: writing proper dependencies for this is a *LOT* of work.
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libbackend.o : $(OBJS-common:.o=.c) $(out_file) \
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insn-config.h insn-flags.h insn-codes.h insn-constants.h \
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- insn-attr.h $(DATESTAMP) $(BASEVER) $(DEVPHASE)
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+ insn-attr.h $(DATESTAMP) $(BASEVER) $(DEVPHASE) gcov-iov.h
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$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
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-DTARGET_NAME=\"$(target_noncanonical)\" \
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-DLOCALEDIR=\"$(localedir)\" \
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