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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-412-g4d83bd9
- From: mark at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 5 Jul 2010 19:25:09 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-412-g4d83bd9
- Reply-to: systemtap at sourceware dot org
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from 7356240096bdcd2dbe7b76a838b4635fc587a1bd (commit)
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- Log -----------------------------------------------------------------
commit 4d83bd9b6f5ccc4abd212ca5d6a6477cb52f78cc
Author: Mark Wielaard <mjw@redhat.com>
Date: Mon Jul 5 21:14:42 2010 +0200
Put generated debug_hdr in _stp_section, add sec_load_offset for adjustment.
Make sure to adjust .debug_frame addresses to section load address.
Which means keeping track of the (synthetic) .debug_frame_hdr index
per section. For now keep track of "magic sections". Will need to
be extended to track all loadable code sections as we do for symbol
tables. See http://sourceware.org/ml/systemtap/2010-q3/msg00012.html
* runtime/sym.h (_stp_module): Remove dwarf_module_base. Move debug_hdr
and debug_hdr_len from here to ...
(_stp_section): ... here. And add sec_load_offset.
* runtime/unwind.c (adjustStartLoc): Don't use m->dwarf_module_base,
use s->sec_load_offset.
(_stp_search_unwind_hdr): Use s->debug_hdr and s->debug_hdr_len.
* translate.cxx (create_debug_frame_hdr): Accept and set debug_frame_off.
(get_unwind_data): Likewise.
(dump_unwindsyms): Keep track of debug_frame_off. Output debug_frame_hdr
per _stp_section if section is ".dynamic", ".absolute", ".text", or
"_stext".
-----------------------------------------------------------------------
Summary of changes:
runtime/sym.h | 22 +++-----
runtime/unwind.c | 6 +-
translate.cxx | 153 ++++++++++++++++++++++++++++++++++++-----------------
3 files changed, 116 insertions(+), 65 deletions(-)
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systemtap: system-wide probe/trace tool