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config/arch/alpha.in.2
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Dec 13 23:32:39 2011 +0100 (2011-12-13)
branch1.13
changeset 2847 c0bf2319af08
parent 1716 6bbf206a5b57
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>
(transplanted from 4193d6e6a17430a177fa88c287879c2c35e319f3)
yann@557 
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# Alpha specific configuration file
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choice







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    bool







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    prompt "Variant"







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config ARCH_ALPHA_EV4







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    bool







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    prompt "EV4"







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config ARCH_ALPHA_EV45







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    bool







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    prompt "EV45"







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config ARCH_ALPHA_EV5







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    bool







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    prompt "EV5"







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config ARCH_ALPHA_EV56







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    bool







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    prompt "EV56"







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config ARCH_ALPHA_EV6







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    bool







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    prompt "EV6"







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config ARCH_ALPHA_EV67







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    bool







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    prompt "EV67"







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endchoice







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config ARCH_ALPHA_VARIANT







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    string







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    default "ev4"   if ARCH_ALPHA_EV4







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    default "ev45"  if ARCH_ALPHA_EV45







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    default "ev5"   if ARCH_ALPHA_EV5







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    default "ev56"  if ARCH_ALPHA_EV56







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    default "ev6"   if ARCH_ALPHA_EV6







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    default "ev67"  if ARCH_ALPHA_EV67







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config ARCH_CPU







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    default "ev4"   if ARCH_ALPHA_EV4







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    default "ev45"  if ARCH_ALPHA_EV45







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    default "ev5"   if ARCH_ALPHA_EV5







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    default "ev56"  if ARCH_ALPHA_EV56







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    default "ev6"   if ARCH_ALPHA_EV6







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    default "ev67"  if ARCH_ALPHA_EV67







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config ARCH_TUNE







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    default "ev4"   if ARCH_ALPHA_EV4







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    default "ev45"  if ARCH_ALPHA_EV45







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    default "ev5"   if ARCH_ALPHA_EV5







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    default "ev56"  if ARCH_ALPHA_EV56







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    default "ev6"   if ARCH_ALPHA_EV6







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    default "ev67"  if ARCH_ALPHA_EV67












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