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From 18c527991deee93170a887b6da622560d5606913 Mon Sep 17 00:00:00 2001
From: Hongxu Jia <hongxu.jia@windriver.com>
Date: Fri, 23 Aug 2019 10:18:47 +0800
Subject: [PATCH] musl-libs
Collection of fixes needed to compile libelf and other libraries
provided by elfutils for musl targets
error is glibc specific API, so this patch will mostly not accepted
upstream given that elfutils has been closely tied to glibc
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Inappropriate [workaround for musl]
Rebase to 0.177
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
lib/error.h | 27 +++++++++++++++++++++++++++
lib/fixedsizehash.h | 1 -
lib/libeu.h | 1 +
libdwfl/linux-kernel-modules.c | 1 +
libelf/elf.h | 7 +++++++
5 files changed, 36 insertions(+), 1 deletion(-)
create mode 100644 lib/error.h
diff --git a/lib/error.h b/lib/error.h
new file mode 100644
index 0000000..ef06827
--- /dev/null
+++ b/lib/error.h
@@ -0,0 +1,27 @@
+#ifndef _ERROR_H_
+#define _ERROR_H_
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+static unsigned int error_message_count = 0;
+
+static inline void error(int status, int errnum, const char* format, ...)
+{
+ va_list ap;
+ fprintf(stderr, "%s: ", program_invocation_name);
+ va_start(ap, format);
+ vfprintf(stderr, format, ap);
+ va_end(ap);
+ if (errnum)
+ fprintf(stderr, ": %s", strerror(errnum));
+ fprintf(stderr, "\n");
+ error_message_count++;
+ if (status)
+ exit(status);
+}
+
+#endif /* _ERROR_H_ */
diff --git a/lib/fixedsizehash.h b/lib/fixedsizehash.h
index dac2a5f..43016fc 100644
--- a/lib/fixedsizehash.h
+++ b/lib/fixedsizehash.h
@@ -30,7 +30,6 @@
#include <errno.h>
#include <stdlib.h>
#include <string.h>
-#include <sys/cdefs.h>
#include <system.h>
diff --git a/lib/libeu.h b/lib/libeu.h
index ecb4d01..edc85e3 100644
--- a/lib/libeu.h
+++ b/lib/libeu.h
@@ -29,6 +29,7 @@
#ifndef LIBEU_H
#define LIBEU_H
+#include "system.h"
#include <stddef.h>
#include <stdint.h>
diff --git a/libdwfl/linux-kernel-modules.c b/libdwfl/linux-kernel-modules.c
index 6edb27f..f331e3c 100644
--- a/libdwfl/linux-kernel-modules.c
+++ b/libdwfl/linux-kernel-modules.c
@@ -50,6 +50,7 @@
#include <sys/utsname.h>
#include <fcntl.h>
#include <unistd.h>
+#include "system.h"
/* If fts.h is included before config.h, its indirect inclusions may not
give us the right LFS aliases of these functions, so map them manually. */
diff --git a/libelf/elf.h b/libelf/elf.h
index 8e3e618..1353890 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -19,6 +19,10 @@
#ifndef _ELF_H
#define _ELF_H 1
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* Standard ELF types. */
#include <stdint.h>
@@ -4102,4 +4106,7 @@ enum
#define R_ARC_TLS_LE_S9 0x4a
#define R_ARC_TLS_LE_32 0x4b
+#ifdef __cplusplus
+}
+#endif
#endif /* elf.h */
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