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authorGerald Schaefer <gerald.schaefer@de.ibm.com>2019-02-03 21:35:45 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-29 10:47:10 +0200
commit805bc0bc238f7209fca5e39c152b0d3c12046ac9 (patch)
tree97edfcee4981bc71c2e6a9dc853353010ac4fa94 /arch/s390/boot/compressed
parents390: enable processes for mio instructions (diff)
downloadlinux-dev-805bc0bc238f7209fca5e39c152b0d3c12046ac9.tar.xz
linux-dev-805bc0bc238f7209fca5e39c152b0d3c12046ac9.zip
s390/kernel: build a relocatable kernel
This patch adds support for building a relocatable kernel with -fPIE. The kernel will be relocated to 0 early in the boot process. Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Reviewed-by: Philipp Rudo <prudo@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/boot/compressed')
-rw-r--r--arch/s390/boot/compressed/decompressor.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/boot/compressed/decompressor.h b/arch/s390/boot/compressed/decompressor.h
index 424cf524aac1..c15eb7114d83 100644
--- a/arch/s390/boot/compressed/decompressor.h
+++ b/arch/s390/boot/compressed/decompressor.h
@@ -19,6 +19,9 @@ struct vmlinux_info {
unsigned long bootdata_size;
unsigned long bootdata_preserved_off;
unsigned long bootdata_preserved_size;
+ unsigned long dynsym_start;
+ unsigned long rela_dyn_start;
+ unsigned long rela_dyn_end;
};
extern char _vmlinux_info[];