From f543847f854a3107624005b62ca6cd7623063198 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 28 Jun 2013 11:27:16 +0000
Subject: [PATCH] kexec-tools: reduce size
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37072 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
package/boot/kexec-tools/Makefile | 3 ++
.../kexec-tools/patches/100-reduce_size.patch | 36 +++++++++++++++++++
2 files changed, 39 insertions(+)
create mode 100644 package/boot/kexec-tools/patches/100-reduce_size.patch
diff --git a/package/boot/kexec-tools/Makefile b/package/boot/kexec-tools/Makefile
index 541dca275a..40ba9eb525 100644
--- a/package/boot/kexec-tools/Makefile
+++ b/package/boot/kexec-tools/Makefile
@@ -56,6 +56,9 @@ CONFIGURE_ARGS = \
--sysconfdir=/etc \
$(if $(CONFIG_KEXEC_ZLIB),--with,--without)-zlib
+TARGET_CFLAGS += -ffunction-sections -fdata-sections
+TARGET_LDFLAGS += -Wl,--gc-sections
+
CONFIGURE_VARS += \
BUILD_CC="$(HOSTCC)" \
TARGET_CC="$(TARGET_CC)"
diff --git a/package/boot/kexec-tools/patches/100-reduce_size.patch b/package/boot/kexec-tools/patches/100-reduce_size.patch
new file mode 100644
index 0000000000..eafca7bf20
--- /dev/null
+++ b/package/boot/kexec-tools/patches/100-reduce_size.patch
@@ -0,0 +1,36 @@
+--- a/kexec/crashdump-xen.c
++++ b/kexec/crashdump-xen.c
+@@ -111,6 +111,7 @@ static int xen_detect_pv_guest(void)
+ * This includes dom0, which is the only PV guest where kexec/kdump works.
+ * HVM guests have to be handled as native hardware.
+ */
++#if defined(__i386__) || defined(__x86_64__)
+ int xen_present(void)
+ {
+ if (!is_dom0) {
+@@ -121,6 +122,7 @@ int xen_present(void)
+ }
+ return is_dom0 > 0;
+ }
++#endif
+
+ unsigned long xen_architecture(struct crash_elf_info *elf_info)
+ {
+--- a/kexec/crashdump.h
++++ b/kexec/crashdump.h
+@@ -56,7 +56,15 @@ unsigned long crash_architecture(struct
+ unsigned long phys_to_virt(struct crash_elf_info *elf_info,
+ unsigned long paddr);
+
++#if defined(__i386__) || defined(__x86_64__)
+ int xen_present(void);
++#else
++static inline int xen_present(void)
++{
++ return 0;
++}
++#endif
++
+ unsigned long xen_architecture(struct crash_elf_info *elf_info);
+ int xen_get_nr_phys_cpus(void);
+ int xen_get_note(int cpu, uint64_t *addr, uint64_t *len);
--
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