1 From 207be05c44da5c4c31179a34660e176145ff8d4b Mon Sep 17 00:00:00 2001
2 From: Khem Raj <raj.khem@gmail.com>
3 Date: Mon, 2 Jul 2018 09:52:23 +0800
4 Subject: [PATCH] build: Provide alternatives for glibc assumptions helps
7 Upstream-Status: Pending
8 Signed-off-by: Khem Raj <raj.khem@gmail.com>
12 Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
15 lib/fixedsizehash.h | 1 -
16 lib/system.h | 12 +++++++++++-
17 libdw/Makefile.am | 3 ++-
18 libdwfl/dwfl_build_id_find_elf.c | 1 +
19 libdwfl/dwfl_error.c | 4 +++-
20 libdwfl/dwfl_module_getdwarf.c | 1 +
21 libdwfl/libdwfl_crc32_file.c | 9 +++++++++
22 libdwfl/linux-kernel-modules.c | 1 +
23 libelf/elf.h | 8 ++++++--
25 libelf/libelfP.h | 1 +
26 12 files changed, 37 insertions(+), 7 deletions(-)
28 diff --git a/Makefile.am b/Makefile.am
29 index 2ff444e..41f77df 100644
32 @@ -28,7 +28,7 @@ pkginclude_HEADERS = version.h
34 # Add doc back when we have some real content.
35 SUBDIRS = config m4 lib libelf libebl libdwelf libdwfl libdw libcpu libasm \
36 - backends src po tests
39 EXTRA_DIST = elfutils.spec GPG-KEY NOTES CONTRIBUTING \
40 COPYING COPYING-GPLV2 COPYING-LGPLV3
41 diff --git a/lib/fixedsizehash.h b/lib/fixedsizehash.h
42 index dac2a5f..43016fc 100644
43 --- a/lib/fixedsizehash.h
44 +++ b/lib/fixedsizehash.h
49 -#include <sys/cdefs.h>
53 diff --git a/lib/system.h b/lib/system.h
54 index 292082b..308a762 100644
58 #define LIB_SYSTEM_H 1
65 #include <sys/param.h>
68 # error "Unknown byte order"
70 +#ifndef TEMP_FAILURE_RETRY
71 +#define TEMP_FAILURE_RETRY(expression) \
73 + ({ long int __result; \
74 + do __result = (long int) (expression); \
75 + while (__result == -1L && errno == EINTR); \
79 +#define error(status, errno, ...) err(status, __VA_ARGS__)
82 #define MAX(m, n) ((m) < (n) ? (n) : (m))
83 diff --git a/libdw/Makefile.am b/libdw/Makefile.am
84 index 7a3d532..7ac1241 100644
85 --- a/libdw/Makefile.am
86 +++ b/libdw/Makefile.am
87 @@ -108,7 +108,8 @@ am_libdw_pic_a_OBJECTS = $(libdw_a_SOURCES:.c=.os)
88 libdw_so_LIBS = libdw_pic.a ../libdwelf/libdwelf_pic.a \
89 ../libdwfl/libdwfl_pic.a ../libebl/libebl.a
90 libdw_so_DEPS = ../lib/libeu.a ../libelf/libelf.so
91 -libdw_so_LDLIBS = $(libdw_so_DEPS) -ldl -lz $(argp_LDADD) $(zip_LIBS)
93 +libdw_so_LDLIBS = $(libdw_so_DEPS) -ldl -lz $(argp_LDADD) $(zip_LIBS) $(fts_LDADD)
95 libdw.so$(EXEEXT): $(srcdir)/libdw.map $(libdw_so_LIBS) $(libdw_so_DEPS)
96 # The rpath is necessary for libebl because its $ORIGIN use will
97 diff --git a/libdwfl/dwfl_build_id_find_elf.c b/libdwfl/dwfl_build_id_find_elf.c
98 index cc6c3f6..b06ab59 100644
99 --- a/libdwfl/dwfl_build_id_find_elf.c
100 +++ b/libdwfl/dwfl_build_id_find_elf.c
104 #include "libdwflP.h"
106 #include <inttypes.h>
109 diff --git a/libdwfl/dwfl_error.c b/libdwfl/dwfl_error.c
110 index 7bcf61c..c345797 100644
111 --- a/libdwfl/dwfl_error.c
112 +++ b/libdwfl/dwfl_error.c
113 @@ -140,6 +140,7 @@ __libdwfl_seterrno (Dwfl_Error error)
115 dwfl_errmsg (int error)
117 + static __thread char s[64] = "";
118 if (error == 0 || error == -1)
120 int last_error = global_error;
121 @@ -154,7 +155,8 @@ dwfl_errmsg (int error)
122 switch (error &~ 0xffff)
124 case OTHER_ERROR (ERRNO):
125 - return strerror_r (error & 0xffff, "bad", 0);
126 + strerror_r (error & 0xffff, s, sizeof(s));
128 case OTHER_ERROR (LIBELF):
129 return elf_errmsg (error & 0xffff);
130 case OTHER_ERROR (LIBDW):
131 diff --git a/libdwfl/dwfl_module_getdwarf.c b/libdwfl/dwfl_module_getdwarf.c
132 index 56e6105..f4a0649 100644
133 --- a/libdwfl/dwfl_module_getdwarf.c
134 +++ b/libdwfl/dwfl_module_getdwarf.c
140 #include "../libdw/libdwP.h" /* DWARF_E_* values are here. */
141 #include "../libelf/libelfP.h"
143 diff --git a/libdwfl/libdwfl_crc32_file.c b/libdwfl/libdwfl_crc32_file.c
144 index f849128..6f0aca1 100644
145 --- a/libdwfl/libdwfl_crc32_file.c
146 +++ b/libdwfl/libdwfl_crc32_file.c
151 +#ifndef TEMP_FAILURE_RETRY
152 +#define TEMP_FAILURE_RETRY(expression) \
154 + ({ long int __result; \
155 + do __result = (long int) (expression); \
156 + while (__result == -1L && errno == EINTR); \
160 #define crc32_file attribute_hidden __libdwfl_crc32_file
161 #define crc32 __libdwfl_crc32
162 #include <libdwflP.h>
163 diff --git a/libdwfl/linux-kernel-modules.c b/libdwfl/linux-kernel-modules.c
164 index 360e4ee..b5aa397 100644
165 --- a/libdwfl/linux-kernel-modules.c
166 +++ b/libdwfl/linux-kernel-modules.c
170 #include "libdwflP.h"
172 #include <inttypes.h>
175 diff --git a/libelf/elf.h b/libelf/elf.h
176 index 5dc632b..14da1b7 100644
181 #include <features.h>
188 /* Standard ELF types. */
190 @@ -3937,6 +3939,8 @@ enum
191 #define R_METAG_TLS_LE_HI16 60
192 #define R_METAG_TLS_LE_LO16 61
200 diff --git a/libelf/libelf.h b/libelf/libelf.h
201 index 1ff11c9..c21e018 100644
202 --- a/libelf/libelf.h
203 +++ b/libelf/libelf.h
210 #include <sys/types.h>
212 diff --git a/libelf/libelfP.h b/libelf/libelfP.h
213 index 9f3e8e9..10a347a 100644
214 --- a/libelf/libelfP.h
215 +++ b/libelf/libelfP.h