Added fatelf-info utility ...

icculus · Sep 7, 2009 · b83409a · b83409a
1 parent c6e9ed8
commit b83409a
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Showing 4 changed files with 63 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -5,6 +5,7 @@ INCLUDE_DIRECTORIES(include)
 ADD_DEFINITIONS(-c99 -Wall -Werror)
 
 ADD_EXECUTABLE(fatelf-glue utils/fatelf-glue.c utils/fatelf-utils.c)
+ADD_EXECUTABLE(fatelf-info utils/fatelf-info.c utils/fatelf-utils.c)
 
 # end of CMakeLists.txt ...
 
diff --git a/utils/fatelf-info.c b/utils/fatelf-info.c
@@ -0,0 +1,47 @@
+/**
+ * FatELF; support multiple ELF binaries in one file.
+ *
+ * Please see the file LICENSE.txt in the source's root directory.
+ *
+ *  This file written by Ryan C. Gordon.
+ */
+
+#define FATELF_UTILS 1
+#include "fatelf-utils.h"
+
+static int fatelf_info(const char *fname)
+{
+    const int fd = xopen(fname, O_RDONLY, 0755);
+    FATELF_header *header = xread_fatelf_header(fname, fd);
+    int i = 0;
+
+    printf("%s: FatELF format version %d\n", fname, header->version);
+    printf("%d binaries:\n", header->num_binaries);
+
+    for (i = 0; i < header->num_binaries; i++)
+    {
+        const FATELF_binary_info *bin = &header->binaries[i];
+        printf(" - ABI %u (%s), version %u, cpu %u (%s), offset %llu\n",
+                (unsigned int) bin->abi, abi_name_string(bin->abi),
+                (unsigned int) bin->abi_version,
+                (unsigned int) bin->cpu, cpu_name_string(bin->cpu),
+                (unsigned long long) bin->offset);
+    } // for
+
+    xclose(fname, fd);
+    free(header);
+
+    return 0;  // success.
+} // fatelf_info
+
+
+int main(int argc, const char **argv)
+{
+    xfatelf_init(argc, argv);
+    if (argc != 2)  // this could stand to use getopt(), later.
+        xfail("USAGE: %s <fname>", argv[0]);
+    return fatelf_info(argv[1]);
+} // main
+
+// end of fatelf-info.c ...
+
diff --git a/utils/fatelf-utils.c b/utils/fatelf-utils.c
@@ -303,6 +303,18 @@ uint64_t align_to_page(const uint64_t offset)
 } // align_to_page
 
 
+const char *abi_name_string(const uint16_t abitype)
+{
+    return "???";  // !!! FIXME
+} // abi_name_string
+
+
+const char *cpu_name_string(const uint32_t cputype)
+{
+    return "???";  // !!! FIXME
+} // cpu_name_string
+
+
 void xfatelf_init(int argc, const char **argv)
 {
     memset(zerobuf, '\0', sizeof (zerobuf));  // just in case.

diff --git a/utils/fatelf-utils.h b/utils/fatelf-utils.h
@@ -86,6 +86,9 @@ FATELF_header *xread_fatelf_header(const char *fname, const int fd);
 // Align a value to the page size.
 uint64_t align_to_page(const uint64_t offset);
 
+const char *abi_name_string(const uint16_t abitype);
+const char *cpu_name_string(const uint32_t cputype);
+
 // Call this at the start of main().
 void xfatelf_init(int argc, const char **argv);