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Add elfutils-0.189-elfcompress.patch

This commit is contained in:
Mark Wielaard 2023-04-22 22:28:38 +02:00
parent 829b595e08
commit 4ae92c9668
2 changed files with 98 additions and 0 deletions
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95
elfutils-0.189-elfcompress.patch Normal file
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@ -0,0 +1,95 @@
From ef9164520c81ea61efe88777a8ad61bf17a54201 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Sat, 22 Apr 2023 01:26:17 +0200
Subject: [PATCH] elfcompress: Don't compress if section already compressed
unless forced
Before commit a5b07cdf9 "support ZSTD compression algorithm"
elfcompress would not try to compress a section if it already
had the requested compression type (or was already uncompressed)
unless the --force flag was given. An else if construct was changed
to an if in the commit causing elfcompress to warn (in verbose mode)
but then still try to (re)compress the section.
Add an explicit check so if nothing needs (un)compressing, the file
isn't changed.
The diff looks large, but git diff -b -w is just:
+ if (force || type != schtype)
+ {
if (shdr->sh_type != SHT_NOBITS
&& (shdr->sh_flags & SHF_ALLOC) == 0)
{
@@ -554,6 +556,7 @@ process_file (const char *fname)
printf ("[%zd] %s ignoring %s section\n", ndx, sname,
(shdr->sh_type == SHT_NOBITS ? "no bits" : "allocated"));
}
+ }
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
src/elfcompress.c | 43 +++++++++++++++++++++++--------------------
1 file changed, 23 insertions(+), 20 deletions(-)
diff --git a/src/elfcompress.c b/src/elfcompress.c
index 18ade66f..f771b92a 100644
--- a/src/elfcompress.c
+++ b/src/elfcompress.c
@@ -529,30 +529,33 @@ process_file (const char *fname)
}
}
- if (shdr->sh_type != SHT_NOBITS
- && (shdr->sh_flags & SHF_ALLOC) == 0)
+ if (force || type != schtype)
{
- set_section (sections, ndx);
- /* Check if we might want to change this section name. */
- if (! adjust_names
- && ((type != ZLIB_GNU
- && startswith (sname, ".zdebug"))
- || (type == ZLIB_GNU
- && startswith (sname, ".debug"))))
- adjust_names = true;
-
- /* We need a buffer this large if we change the names. */
- if (adjust_names)
+ if (shdr->sh_type != SHT_NOBITS
+ && (shdr->sh_flags & SHF_ALLOC) == 0)
{
- size_t slen = strlen (sname);
- if (slen > maxnamelen)
- maxnamelen = slen;
+ set_section (sections, ndx);
+ /* Check if we might want to change this section name. */
+ if (! adjust_names
+ && ((type != ZLIB_GNU
+ && startswith (sname, ".zdebug"))
+ || (type == ZLIB_GNU
+ && startswith (sname, ".debug"))))
+ adjust_names = true;
+
+ /* We need a buffer this large if we change the names. */
+ if (adjust_names)
+ {
+ size_t slen = strlen (sname);
+ if (slen > maxnamelen)
+ maxnamelen = slen;
+ }
}
+ else
+ if (verbose >= 0)
+ printf ("[%zd] %s ignoring %s section\n", ndx, sname,
+ (shdr->sh_type == SHT_NOBITS ? "no bits" : "allocated"));
}
- else
- if (verbose >= 0)
- printf ("[%zd] %s ignoring %s section\n", ndx, sname,
- (shdr->sh_type == SHT_NOBITS ? "no bits" : "allocated"));
}
if (shdr->sh_type == SHT_SYMTAB)
--
2.31.1

3
elfutils.spec
View File

@ -76,6 +76,8 @@ BuildRequires: gettext-devel
Patch1: elfutils-0.186-fdo-swap.patch
# testsuite: Avoid C99 compatibility issues in run-native-test.sh
Patch2: elfutils-0.189-c99-compat.patch
# elfcompress: Don't compress if section already compressed unless forced
Patch3: elfutils-0.189-elfcompress.patch
%description
Elfutils is a collection of utilities, including stack (to show
@ -446,6 +448,7 @@ exit 0
%changelog
* Sat Apr 22 2023 Mark Wielaard <mjw@fedoraproject.org>
- Add elfutils-0.189-c99-compat.patch
- Add elfutils-0.189-elfcompress.patch
* Fri Mar 3 2023 Mark Wielaard <mjw@fedoraproject.org> - 0.189-1
- Upgrade to upsteam elfutils 0.189.