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loader: add API to load elf header

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Add an API to load an elf header header from a file. Populates a
buffer with the header contents, as well as a boolean for whether the
elf is 64b or not. Both arguments are optional.

Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: Fix typo in comment]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Crosthwaite 2016-03-04 11:30:21 +00:00 • committed by Peter Maydell
parent e334bd3190
commit 04ae712a9f
2 changed files with 68 additions and 0 deletions
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13
include/hw/loader.h
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@ -48,6 +48,19 @@ int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
uint64_t *highaddr, int big_endian, int elf_machine,
int clear_lsb);
/** load_elf_hdr:
* @filename: Path of ELF file
* @hdr: Buffer to populate with header data. Header data will not be
* filled if set to NULL.
* @is64: Set to true if the ELF is 64bit. Ignored if set to NULL
* @errp: Populated with an error in failure cases
*
* Inspect an ELF file's header. Read its full header contents into a
* buffer and/or determine if the ELF is 64bit.
*/
void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp);
int load_aout(const char *filename, hwaddr addr, int max_sz,
int bswap_needed, hwaddr target_page_size);
int load_uimage(const char *filename, hwaddr *ep,