cbfstool: introduce struct parsed_elf and parse_elf()
In order to make the ELF parsing more flexible introduce
a parse_elf() function which takes a struct parsed_elf
parameter. In addition take a flags parameter which instructs
the ELF parser as to what data within the ELF file should be
parsed.
Change-Id: I3e30e84bf8043c3df96a6ab56cd077eef2632173
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/5373
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
diff --git a/util/cbfstool/elfparsing.h b/util/cbfstool/elfparsing.h
index 3cfa1cd..4ad46b3 100644
--- a/util/cbfstool/elfparsing.h
+++ b/util/cbfstool/elfparsing.h
@@ -22,6 +22,31 @@
struct buffer;
+struct parsed_elf {
+ Elf64_Ehdr ehdr;
+ Elf64_Phdr *phdr;
+ Elf64_Shdr *shdr;
+};
+
+#define ELF_PARSE_PHDR (1 << 0)
+#define ELF_PARSE_SHDR (1 << 1)
+
+#define ELF_PARSE_ALL (-1)
+
+/*
+ * Parse an ELF file contained within provide struct buffer. The ELF header
+ * is always parsed while the flags value containing the ELF_PARSE_* values
+ * determine if other parts of the ELF file will be parsed as well.
+ * Returns 0 on success, < 0 error.
+ */
+int parse_elf(const struct buffer *pinput, struct parsed_elf *pelf, int flags);
+
+/*
+ * Clean up memory associated with parsed_elf.
+ */
+void parsed_elf_destroy(struct parsed_elf *pelf);
+
+
int
elf_headers(const struct buffer *pinput,
uint32_t arch,