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rpm/debugsubpkg.diff

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Index: rpm-4.4.2.3/build/files.c
===================================================================
--- rpm-4.4.2.3.orig/build/files.c 2009-07-27 17:59:07.000000000 +0200
+++ rpm-4.4.2.3/build/files.c 2009-07-27 18:02:00.000000000 +0200
@@ -28,6 +28,10 @@
#define _RPMTE_INTERNAL
#include "rpmte.h"
+#if HAVE_GELF_H
+#include <gelf.h>
+#endif
+
#include "buildio.h"
#include "legacy.h" /* XXX domd5, expandFileList, compressFileList */
@@ -2485,6 +2489,128 @@ exit:
return rc;
}
+
+/* Query the build-id from the ELF file NAME and store it in the newly
+ allocated *build_id array of size *build_id_size. Returns -1 on
+ error. */
+
+int
+getELFBuildId (const char *name,
+ unsigned char **id, size_t *id_size)
+{
+ int fd, i;
+ Elf *elf;
+ GElf_Ehdr ehdr;
+ Elf_Data *build_id = NULL;
+ size_t build_id_offset = 0, build_id_size = 0;
+
+ /* Now query the build-id of the file and add the
+ corresponding links in the .build-id tree.
+ The following code is based on tools/debugedit.c. */
+ fd = open (name, O_RDONLY);
+ if (fd < 0)
+ return -1;
+ elf = elf_begin (fd, ELF_C_READ_MMAP, NULL);
+ if (elf == NULL)
+ {
+ fprintf (stderr, "cannot open ELF file: %s",
+ elf_errmsg (-1));
+ close (fd);
+ return -1;
+ }
+ if (elf_kind (elf) != ELF_K_ELF
+ || gelf_getehdr (elf, &ehdr) == NULL
+ || (ehdr.e_type != ET_DYN
+ && ehdr.e_type != ET_EXEC
+ && ehdr.e_type != ET_REL))
+ {
+ elf_end (elf);
+ close (fd);
+ return -1;
+ }
+ for (i = 0; i < ehdr.e_shnum; ++i)
+ {
+ Elf_Scn *s = elf_getscn (elf, i);
+ GElf_Shdr shdr;
+ Elf_Data *data;
+ Elf32_Nhdr nh;
+ Elf_Data dst =
+ {
+ .d_version = EV_CURRENT, .d_type = ELF_T_NHDR,
+ .d_buf = &nh, .d_size = sizeof nh
+ };
+ Elf_Data src = dst;
+
+ gelf_getshdr (s, &shdr);
+ if (shdr.sh_type != SHT_NOTE
+ || !(shdr.sh_flags & SHF_ALLOC))
+ continue;
+
+ /* Look for a build-ID note here. */
+ data = elf_rawdata (s, NULL);
+ src.d_buf = data->d_buf;
+ assert (sizeof (Elf32_Nhdr) == sizeof (Elf64_Nhdr));
+ while (data->d_buf + data->d_size - src.d_buf > (int) sizeof nh
+ && elf32_xlatetom (&dst, &src, ehdr.e_ident[EI_DATA]))
+ {
+ Elf32_Word len = sizeof nh + nh.n_namesz;
+ len = (len + 3) & ~3;
+
+ if (nh.n_namesz == sizeof "GNU" && nh.n_type == 3
+ && !memcmp (src.d_buf + sizeof nh, "GNU", sizeof "GNU"))
+ {
+ build_id = data;
+ build_id_offset = src.d_buf + len - data->d_buf;
+ build_id_size = nh.n_descsz;
+ break;
+ }
+
+ len += nh.n_descsz;
+ len = (len + 3) & ~3;
+ src.d_buf += len;
+ }
+
+ if (build_id != NULL)
+ break;
+ }
+
+ if (build_id == NULL)
+ return -1;
+
+ *id = malloc (build_id_size);
+ *id_size = build_id_size;
+ memcpy (*id, build_id->d_buf + build_id_offset, build_id_size);
+
+ elf_end (elf);
+ close (fd);
+
+ return 0;
+}
+
+
+static rpmTag copyTagsForDebug[] = {
+ RPMTAG_EPOCH,
+ RPMTAG_VERSION,
+ RPMTAG_RELEASE,
+ RPMTAG_LICENSE,
+ RPMTAG_PACKAGER,
+ RPMTAG_DISTRIBUTION,
+ RPMTAG_DISTURL,
+ RPMTAG_VENDOR,
+ RPMTAG_ICON,
+ RPMTAG_URL,
+ RPMTAG_CHANGELOGTIME,
+ RPMTAG_CHANGELOGNAME,
+ RPMTAG_CHANGELOGTEXT,
+ RPMTAG_PREFIXES,
+ RPMTAG_RHNPLATFORM,
+ RPMTAG_OS,
+ RPMTAG_DISTTAG,
+ RPMTAG_CVSID,
+ RPMTAG_ARCH,
+ 0
+};
+
/*@-incondefs@*/
int processBinaryFiles(Spec spec, int installSpecialDoc, int test)
/*@globals check_fileList @*/
@@ -2492,12 +2618,16 @@ int processBinaryFiles(Spec spec, int in
{
Package pkg;
int res = 0;
+ char *buildrooturl;
check_fileList = newStringBuf();
+ buildrooturl = rpmGenPath(spec->rootURL, spec->buildRootURL, NULL);
for (pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
const char *n, *v, *r;
int rc;
+ int type, count;
+ char *ap;
if (pkg->fileList == NULL)
continue;
@@ -2508,6 +2638,116 @@ int processBinaryFiles(Spec spec, int in
if ((rc = processPackageFiles(spec, pkg, installSpecialDoc, test)))
res = rc;
+ /* BEGIN DEBUGPKG */
+#if HAVE_GELF_H && HAVE_LIBELF
+ elf_version(EV_CURRENT);
+
+ /* Now we have the file list of pkg in pkg->cpioList. Iterate over
+ them and build a file list containing debug information for them. */
+ if (headerGetEntry (pkg->header, RPMTAG_ARCH, &type, (void **)&ap, &count)
+ && type == RPM_STRING_TYPE && count == 1
+ && strcmp (ap, "noarch") != 0
+ && strcmp (ap, "src") != 0)
+ {
+ Package dbg;
+ rpmfi fi = pkg->cpioList;
+ char tmp[1024];
+ const char *name;
+ StringBuf files = NULL;
+ int seen_build_id = 0;
+
+ /* Check if the current package has files with debug info
+ and record them. */
+ fi = rpmfiInit (fi, 0);
+ while (rpmfiNext (fi) >= 0)
+ {
+ const char *base;
+ int i;
+ unsigned char *build_id;
+ size_t build_id_size = 0;
+ struct stat sbuf;
+
+ name = rpmfiFN (fi);
+ /* Skip leading buildroot. */
+ base = name + strlen (buildrooturl);
+ /* Pre-pend %buildroot/usr/lib/debug and append .debug. */
+ snprintf (tmp, 1024, "%s/usr/lib/debug%s.debug",
+ buildrooturl, base);
+ /* If that file exists we have debug information for it. */
+ if (access (tmp, F_OK) != 0)
+ continue;
+
+ /* Append the file list preamble. */
+ if (!files)
+ {
+ files = newStringBuf();
+ appendStringBuf(files, "%defattr(-,root,root)\n");
+ appendStringBuf(files, "%dir /usr/lib/debug\n");
+ }
+ /* Add the files main debug-info file. */
+ snprintf (tmp, 1024, "/usr/lib/debug/%s.debug\n", base);
+ appendStringBuf(files, tmp);
+
+ /* Do not bother to check build-ids for symbolic links.
+ We'll handle them for the link target. */
+ if (lstat (name, &sbuf) == -1
+ || S_ISLNK (sbuf.st_mode))
+ continue;
+
+ /* Try to gather the build-id from the binary. */
+ if (getELFBuildId (name, &build_id, &build_id_size) == -1)
+ continue;
+
+ /* If we see build-id links for the first time add the
+ directory. */
+ if (!seen_build_id)
+ appendStringBuf(files, "%dir /usr/lib/debug/.build-id\n");
+
+ /* From the build-id construct the two links pointing back
+ to the debug information file and the binary. */
+ snprintf (tmp, 1024, "/usr/lib/debug/.build-id/%02x/",
+ build_id[0]);
+ for (i = 1; i < build_id_size; ++i)
+ sprintf (tmp + strlen (tmp), "%02x", build_id[i]);
+ appendStringBuf(files, tmp);
+ appendStringBuf(files, "\n");
+ appendStringBuf(files, tmp);
+ appendStringBuf(files, ".debug\n");
+
+ free (build_id);
+ }
+
+ /* If there are debuginfo files for this package add a
+ new debuginfo package. */
+ if (files)
+ {
+ dbg = newPackage (spec);
+ headerNVR (pkg->header, &name, NULL, NULL);
+ /* Set name, summary and group. */
+ snprintf (tmp, 1024, "%s-debuginfo", name);
+ headerAddEntry (dbg->header, RPMTAG_NAME, RPM_STRING_TYPE, tmp, 1);
+ snprintf (tmp, 1024, "Debug information for package %s", name);
+ headerAddEntry (dbg->header, RPMTAG_SUMMARY, RPM_STRING_TYPE,
+ tmp, 1);
+ snprintf (tmp, 1024, "This package provides debug information for package %s.\n"
+ "Debug information is useful when developing applications that use this\n"
+ "package or when debugging this package.", name);
+ headerAddEntry (dbg->header, RPMTAG_DESCRIPTION, RPM_STRING_TYPE,
+ tmp, 1);
+ headerAddEntry (dbg->header, RPMTAG_GROUP, RPM_STRING_TYPE,
+ "Development/Debug", 1);
+ /* Inherit other tags from parent. */
+ headerCopyTags (pkg->header, dbg->header,
+ (int_32 *)copyTagsForDebug);
+
+ /* Build up the files list. */
+ dbg->fileList = files;
+ }
+ }
+
+ /* END DEBUGPKG */
+#endif
+
if ((rc = rpmfcGenerateDepends(spec, pkg)))
res = rc;
}
Index: rpm-4.4.2.3/macros.in
===================================================================
--- rpm-4.4.2.3.orig/macros.in 2009-07-27 17:59:07.000000000 +0200
+++ rpm-4.4.2.3/macros.in 2009-07-27 17:59:07.000000000 +0200
@@ -173,24 +173,10 @@
# Template for debug information sub-package.
%debug_package \
%global __debug_package 1\
-%package debuginfo\
-Summary: Debug information for package %{name}\
-Group: Development/Debug\
-AutoReq: 0\
-AutoProv: 1\
-#Requires: %{?!debug_package_requires:%{name} = %{version}-%{release}}%{?debug_package_requires}\
-%description debuginfo\
-This package provides debug information for package %{name}.\
-Debug information is useful when developing applications that use this\
-package or when debugging this package.\
-%files debuginfo -f debugfiles.list\
-%defattr(-,root,root)\
-\
%package debugsource\
Summary: Debug sources for package %{name}\
Group: Development/Debug\
AutoReqProv: 0\
-Requires: %{name}-debuginfo = %{version}-%{release}\
%description debugsource\
This package provides debug sources for package %{name}.\
Debug sources are useful when developing applications that use this\
Index: rpm-4.4.2.3/scripts/find-debuginfo.sh
===================================================================
--- rpm-4.4.2.3.orig/scripts/find-debuginfo.sh 2009-07-27 17:59:06.000000000 +0200
+++ rpm-4.4.2.3/scripts/find-debuginfo.sh 2009-07-27 17:59:10.000000000 +0200
@@ -274,19 +274,11 @@ while read nlinks inum f; do
fi
done || exit
-# For each symlink whose target has a .debug file,
-# make a .debug symlink to that file.
-find $RPM_BUILD_ROOT ! -path "${debugdir}/*" -type l -print |
-while read f
-do
- t=$(readlink -m "$f").debug
- f=${f#$RPM_BUILD_ROOT}
- t=${t#$RPM_BUILD_ROOT}
- if [ -f "$debugdir$t" ]; then
- echo "symlinked /usr/lib/debug$t to /usr/lib/debug${f}.debug"
- debug_link "/usr/lib/debug$t" "${f}.debug"
- fi
-done
+# We used to make a .debug symlink for each symlink whose target
+# has a .debug file to that file. This is not necessary because
+# the debuglink section contains only the destination of those links.
+# Creating those links anyway results in debuginfo packages for
+# devel packages just because of the .so symlinks in them.
if [ -s "$SOURCEFILE" ]; then
mkdir -p "${RPM_BUILD_ROOT}/usr/src/debug"
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