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elf-loader: Provide the possibility to relocate s390 ELF files

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On s390, we would like to load our "BIOS" s390-ccw.img to the end of the
RAM. Therefor we need the possibility to relocate the ELF file so that
it can also run from different addresses. This patch adds the necessary
code to the QEMU ELF loader function.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Message-Id: <1425895973-15239-2-git-send-email-thuth@linux.vnet.ibm.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Thomas Huth 2015-03-09 11:12:52 +01:00 • committed by Christian Borntraeger
parent 5c8d542004
commit 5dce07e1cb
3 changed files with 82 additions and 0 deletions
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2
hw/core/loader.c
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@ -297,6 +297,7 @@ static void *load_at(int fd, int offset, int size)
#undef elf_phdr
#undef elf_shdr
#undef elf_sym
#undef elf_rela
#undef elf_note
#undef elf_word
#undef elf_sword
@ -307,6 +308,7 @@ static void *load_at(int fd, int offset, int size)
#define elf_note elf64_note
#define elf_shdr elf64_shdr
#define elf_sym elf64_sym
#define elf_rela elf64_rela
#define elf_word uint64_t
#define elf_sword int64_t
#define bswapSZs bswap64s