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patches/binutils/2.21.1a/120-sh-conf.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Dec 13 23:32:39 2011 +0100 (2011-12-13)
changeset 2807 4193d6e6a174
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> 
     1 diff -durN binutils-2.21.1.orig/configure binutils-2.21.1/configure

     2 --- binutils-2.21.1.orig/configure	2011-09-12 13:39:06.292251293 +0200

     3 +++ binutils-2.21.1/configure	2011-09-12 13:39:07.135581381 +0200

     4 @@ -3148,7 +3148,7 @@

     5    am33_2.0-*-linux*)

     6      noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"

     7      ;;

     8 -  sh-*-linux*)

     9 +  sh*-*-linux*)

    10      noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"

    11      ;;

    12    sh*-*-pe|mips*-*-pe|*arm-wince-pe)

    13 @@ -3487,7 +3487,7 @@

    14    romp-*-*)

    15      noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"

    16      ;;

    17 -  sh-*-* | sh64-*-*)

    18 +  sh*-*-* | sh64-*-*)

    19      case "${host}" in

    20        i[3456789]86-*-vsta) ;; # don't add gprof back in

    21        i[3456789]86-*-go32*) ;; # don't add gprof back in

    22 diff -durN binutils-2.21.1.orig/configure.ac binutils-2.21.1/configure.ac

    23 --- binutils-2.21.1.orig/configure.ac	2011-09-12 13:39:06.308917895 +0200

    24 +++ binutils-2.21.1/configure.ac	2011-09-12 13:39:07.145581342 +0200

    25 @@ -620,7 +620,7 @@

    26    am33_2.0-*-linux*)

    27      noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"

    28      ;;

    29 -  sh-*-linux*)

    30 +  sh*-*-linux*)

    31      noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"

    32      ;;    

    33    sh*-*-pe|mips*-*-pe|*arm-wince-pe)

    34 @@ -959,7 +959,7 @@

    35    romp-*-*)

    36      noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"

    37      ;;

    38 -  sh-*-* | sh64-*-*)

    39 +  sh*-*-* | sh64-*-*)

    40      case "${host}" in

    41        i[[3456789]]86-*-vsta) ;; # don't add gprof back in

    42        i[[3456789]]86-*-go32*) ;; # don't add gprof back in
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