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- update to 1.18_15g040fd7f (bsc#1177921):

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* btf_encoder: Support cross-compiled ELF binaries with different endianness
  * strings: use BTF's string APIs for strings management
  * strings: Rename strings.h to avoid clashing with /usr/include/strings.h
  * dwarf_loader: increase the size of lookup hash map
  * btf_encoder: revamp how per-CPU variables are encoded
  * btf_encoder: Discard CUs after BTF encoding
  * btf_encoder: Fix emitting __ARRAY_SIZE_TYPE__ as index range type
  * btf_encoder: Use libbpf APIs to encode BTF type info
  * btf_loader: Use libbpf to load BTF
  * dwarves: Expose and maintain active debug info loader operations
  * btf_encoder: detect BTF encoding errors and exit
  * libbpf: Update to latest libbpf version
  * dwarf_loader: Conditionally define DW_AT_alignment
  * pahole: Implement --packed
  * man-pages: Fix 'coimbine' typo
- remove libbpf-Fix-libbpf-hashmap-on-I-LP32-architectures.patch (upstream)

OBS-URL: https://build.opensuse.org/package/show/devel:tools/dwarves?expand=0&rev=49
This commit is contained in:
Dirk Mueller 2020-10-27 13:03:38 +00:00 committed by Git OBS Bridge
parent bb7c74430e
commit a39fba660c
6 changed files with 28 additions and 61 deletions
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dwarves-1.18.tar.sign
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dwarves.changes
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@ -1,3 +1,24 @@
-------------------------------------------------------------------
Tue Oct 27 13:00:23 UTC 2020 - Dirk Mueller <dmueller@suse.com>
- update to 1.18_15g040fd7f (bsc#1177921):
* btf_encoder: Support cross-compiled ELF binaries with different endianness
* strings: use BTF's string APIs for strings management
* strings: Rename strings.h to avoid clashing with /usr/include/strings.h
* dwarf_loader: increase the size of lookup hash map
* btf_encoder: revamp how per-CPU variables are encoded
* btf_encoder: Discard CUs after BTF encoding
* btf_encoder: Fix emitting __ARRAY_SIZE_TYPE__ as index range type
* btf_encoder: Use libbpf APIs to encode BTF type info
* btf_loader: Use libbpf to load BTF
* dwarves: Expose and maintain active debug info loader operations
* btf_encoder: detect BTF encoding errors and exit
* libbpf: Update to latest libbpf version
* dwarf_loader: Conditionally define DW_AT_alignment
* pahole: Implement --packed
* man-pages: Fix 'coimbine' typo
- remove libbpf-Fix-libbpf-hashmap-on-I-LP32-architectures.patch (upstream)
-------------------------------------------------------------------
Fri Oct 2 22:00:47 UTC 2020 - Jan Engelhardt <jengelh@inai.de>

10
dwarves.spec
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@ -17,18 +17,16 @@
Name: dwarves
Version: 1.18
Version: 1.18_15g040fd7f
Release: 0
Summary: DWARF utilities
License: GPL-2.0-only
Group: Development/Tools/Debuggers
URL: http://acmel.wordpress.com/
#Git-Clone: git://git.kernel.org/pub/scm/devel/pahole/pahole
#Git-Web: http://git.kernel.org/cgit/devel/pahole/pahole.git
Source: https://fedorapeople.org/~acme/dwarves/dwarves-%version.tar.xz
Source2: https://fedorapeople.org/~acme/dwarves/dwarves-%version.tar.sign
# Source: https://fedorapeople.org/~acme/dwarves/dwarves-%version.tar.xz
Source: dwarves-%version.tar.xz
# Source2: https://fedorapeople.org/~acme/dwarves/dwarves-%version.tar.sign
Source9: baselibs.conf
Patch1: libbpf-Fix-libbpf-hashmap-on-I-LP32-architectures.patch
BuildRequires: cmake
BuildRequires: libdw-devel >= 0.170
%if 0%{?suse_version} < 1550

45
libbpf-Fix-libbpf-hashmap-on-I-LP32-architectures.patch
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@ -1,45 +0,0 @@
From: Jakub Bogusz <qboosh@pld-linux.org>
Date: Thu, 9 Jul 2020 15:57:23 -0700
Subject: libbpf: Fix libbpf hashmap on (I)LP32 architectures
Git-commit: b2f9f1535bb93ee5fa2ea30ac1c26fa0d676154c
Patch-mainline: 5.8-rc5
References: x86_32 crashes fix
On ILP32, 64-bit result was shifted by value calculated for 32-bit long type
and returned value was much outside hashmap capacity.
As advised by Andrii Nakryiko, this patch uses different hashing variant for
architectures with size_t shorter than long long.
Fixes: e3b924224028 ("libbpf: add resizable non-thread safe internal hashmap")
Signed-off-by: Jakub Bogusz <qboosh@pld-linux.org>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200709225723.1069937-1-andriin@fb.com
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
lib/bpf/src/hashmap.h | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
--- a/lib/bpf/src/hashmap.h
+++ b/lib/bpf/src/hashmap.h
@@ -16,11 +16,19 @@
#include <bits/reg.h>
#endif
#include "libbpf_internal.h"
+#include <limits.h>
static inline size_t hash_bits(size_t h, int bits)
{
/* shuffle bits and return requested number of upper bits */
- return (h * 11400714819323198485llu) >> (__WORDSIZE - bits);
+#if (__SIZEOF_SIZE_T__ == __SIZEOF_LONG_LONG__)
+ /* LP64 case */
+ return (h * 11400714819323198485llu) >> (__SIZEOF_LONG_LONG__ * 8 - bits);
+#elif (__SIZEOF_SIZE_T__ <= __SIZEOF_LONG__)
+ return (h * 2654435769lu) >> (__SIZEOF_LONG__ * 8 - bits);
+#else
+# error "Unsupported size_t size"
+#endif
}
typedef size_t (*hashmap_hash_fn)(const void *key, void *ctx);