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[v2,16/18] loader: load_elf(): Add doc comment

Message ID 26d6575268b8f625b1c31e1b7a1e8854b34cc0c5.1456901522.git.crosthwaite.peter@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Crosthwaite March 2, 2016, 6:56 a.m. UTC
Document the usage of load_elf() for clarity on current features.

Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
---

 include/hw/loader.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
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Patch

diff --git a/include/hw/loader.h b/include/hw/loader.h
index a626c9b..264ef89 100644
--- a/include/hw/loader.h
+++ b/include/hw/loader.h
@@ -32,6 +32,29 @@  int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz);
 #define ELF_LOAD_WRONG_ARCH   -3
 #define ELF_LOAD_WRONG_ENDIAN -4
 const char *load_elf_strerror(int error);
+
+/** load_elf:
+ * @filename: Path of ELF file
+ * @translate_fn: optional function to translate load addresses
+ * @translate_opaque: opaque data passed to @translate_fn
+ * @pentry: Populated with program entry point. Ignored if NULL.
+ * @lowaddr: Populated with lowest loaded address. Ignored if NULL.
+ * @highaddr: Populated with highest loaded address. Ignored if NULL.
+ * @bigendian: Expected ELF endianness. 0 for LE otherwise BE
+ * @elf_machine: Expected ELF machine type
+ * @clear_lsb: Set to mask off LSB of addresses (Some architectures use
+ *             this for non-address data)
+ *
+ * Load an ELF file's contents to the emulated system's address space.
+ * Clients may optionally specify a callback to perform address
+ * translations. @pentry, @lowaddr and @highaddr are optional pointers
+ * which will be populated with various load information. @bigendian and
+ * @elf_machine give the expected endianness and machine for the ELF the
+ * load will fail if the target ELF does not match. Some architectures
+ * have some architecture-specific behaviours that come into effect when
+ * their particular values for @elf_machine are set.
+ */
+
 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,