Add libbacktrace support for Apple platforms

rust-lang · Sep 1, 2017 · e8121b3 · e8121b3
1 parent f861b6e
commit e8121b3
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Showing 8 changed files with 1,458 additions and 7 deletions.
diff --git a/src/libbacktrace/configure b/src/libbacktrace/configure
@@ -11844,6 +11844,9 @@ elf*) FORMAT_FILE="elf.lo" ;;
 pecoff) FORMAT_FILE="pecoff.lo"
         backtrace_supports_data=no
 	;;
+macho*) FORMAT_FILE="macho.lo"
+        backtrace_supports_data=no
+        ;;
 *) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: could not determine output file type" >&5
 $as_echo "$as_me: WARNING: could not determine output file type" >&2;}
    FORMAT_FILE="unknown.lo"

diff --git a/src/libbacktrace/configure.ac b/src/libbacktrace/configure.ac
@@ -231,6 +231,9 @@ elf*) FORMAT_FILE="elf.lo" ;;
 pecoff) FORMAT_FILE="pecoff.lo"
         backtrace_supports_data=no
 	;;
+macho*) FORMAT_FILE="macho.lo"
+        backtrace_supports_data=no
+        ;;
 *) AC_MSG_WARN([could not determine output file type])
    FORMAT_FILE="unknown.lo"
    backtrace_supported=no

diff --git a/src/libbacktrace/filetype.awk b/src/libbacktrace/filetype.awk
@@ -3,3 +3,9 @@
 /\177ELF\002/ { if (NR == 1) { print "elf64"; exit } }
 /\114\001/    { if (NR == 1) { print "pecoff"; exit } }
 /\144\206/    { if (NR == 1) { print "pecoff"; exit } }
+/\xFE\xED\xFA\xCE/ { if (NR == 1) { print "macho32"; exit } }
+/\xCE\xFA\xED\xFE/ { if (NR == 1) { print "macho32"; exit } }
+/\xFE\xED\xFA\xCF/ { if (NR == 1) { print "macho64"; exit } }
+/\xCF\xFA\xED\xFE/ { if (NR == 1) { print "macho64"; exit } }
+/\xCA\xFE\xBA\xBE/ { if (NR == 1) { print "macho-fat"; exit } }
+/\xBE\xBA\xFE\xCA/ { if (NR == 1) { print "macho-fat"; exit } }