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88 lines
2.5 KiB
88 lines
2.5 KiB
commit cd93789b89f55355d3eeda6c31ed7bd0ed318acd |
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Author: Sergio Lopez <slp@redhat.com> |
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Date: Mon Dec 4 09:17:14 2017 +0100 |
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Implement "-a" command line option for gcore |
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With the new "-a" command line option, the user may request gcore to |
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actually dump all present memory mappings. The actual effect of this |
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argument is OS dependent. |
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On GNU/Linux, it will disable use-coredump-filter and enable |
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dump-excluded-mappings. |
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gdb/ChangeLog: |
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2017-11-29 Sergio Lopez <slp@redhat.com> |
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* gcore.in: Add "-a" command line option for instructing gdb to |
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dump all memory mappings (OS dependent). |
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Index: gdb-7.6.1/gdb/gcore.in |
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=================================================================== |
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--- gdb-7.6.1.orig/gdb/gcore.in 2017-12-06 20:57:13.444335680 +0100 |
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+++ gdb-7.6.1/gdb/gcore.in 2017-12-06 20:57:20.437380926 +0100 |
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@@ -20,27 +20,39 @@ |
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# It starts up gdb, attaches to the given PID and invokes the gcore command. |
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# |
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-if [ "$#" -eq "0" ] |
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-then |
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- echo "usage: @GCORE_TRANSFORM_NAME@ [-o filename] pid" |
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- exit 2 |
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-fi |
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- |
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# Need to check for -o option, but set default basename to "core". |
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name=core |
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-if [ "$1" = "-o" ] |
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-then |
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- if [ "$#" -lt "3" ] |
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- then |
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- # Not enough arguments. |
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- echo "usage: @GCORE_TRANSFORM_NAME@ [-o filename] pid" |
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- exit 2 |
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- fi |
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- name=$2 |
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+# When the -a option is present, this may hold additional commands |
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+# to ensure gdb dumps all mappings (OS dependent). |
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+dump_all_cmds=() |
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+ |
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+while getopts :ao: opt; do |
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+ case $opt in |
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+ a) |
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+ case $OSTYPE in |
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+ linux*) |
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+ dump_all_cmds=("-ex" "set use-coredump-filter off") |
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+ dump_all_cmds+=("-ex" "set dump-excluded-mappings on") |
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+ ;; |
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+ esac |
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+ ;; |
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+ o) |
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+ name=$OPTARG |
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+ ;; |
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+ *) |
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+ echo "usage: @GCORE_TRANSFORM_NAME@ [-a] [-o filename] pid" |
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+ exit 2 |
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+ ;; |
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+ esac |
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+done |
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+ |
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+shift $((OPTIND-1)) |
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- # Shift over to start of pid list |
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- shift; shift |
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+if [ "$#" -eq "0" ] |
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+then |
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+ echo "usage: @GCORE_TRANSFORM_NAME@ [-a] [-o filename] pid" |
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+ exit 2 |
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fi |
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# Initialise return code. |
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@@ -53,6 +65,7 @@ |
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# available but not accessible as GDB would get stopped on SIGTTIN. |
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@GDB_TRANSFORM_NAME@ </dev/null --nx --batch \ |
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-ex "set pagination off" -ex "set height 0" -ex "set width 0" \ |
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+ "${dump_all_cmds[@]}" \ |
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-ex "attach $pid" -ex "gcore $name.$pid" -ex detach -ex quit |
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if [ -r $name.$pid ] ; then
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