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-rw-r--r--toys/posix/file.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/toys/posix/file.c b/toys/posix/file.c
index 9958d044..2f1e95ba 100644
--- a/toys/posix/file.c
+++ b/toys/posix/file.c
@@ -251,7 +251,26 @@ static void do_regular_file(int fd, char *name, struct stat *sb)
} else if (len>4 && strstart(&s, "BZh") && isdigit(*s))
xprintf("bzip2 compressed data, block size = %c00k\n", *s);
else if (len>10 && strstart(&s, "\x1f\x8b")) xputs("gzip compressed data");
- else {
+ else if (len>32 && !memcmp(s+1, "\xfa\xed\xfe", 3)) {
+ int bit = s[0]=='\xce'?32:64;
+ char *what;
+
+ xprintf("Mach-O %d-bit ", bit);
+
+ if (s[4] == 7) what = (bit==32)?"x86":"x86-";
+ else if (s[4] == 12) what = "arm";
+ else if (s[4] == 18) what = "ppc";
+ else what = NULL;
+ if (what) xprintf("%s%s ", what, (bit==32)?"":"64");
+ else xprintf("(bad arch %d) ", s[4]);
+
+ if (s[12] == 1) what = "object";
+ else if (s[12] == 2) what = "executable";
+ else if (s[12] == 6) what = "shared library";
+ else what = NULL;
+ if (what) xprintf("%s\n", what);
+ else xprintf("(bad type %d)\n", s[9]);
+ } else {
char *what = 0;
int i, bytes;