Enable GDB for binutils 2.40 with native AmigaOS debugging fixesDerfsss binutils gdb

gdb/auto-load.c

@@ -43,6 +43,11 @@
 #include "gdbsupport/pathstuff.h"
 #include "cli/cli-style.h"
 
+#ifdef __amigaos4__
+#define AUTO_LOAD_DIR "$debugdir;$datadir/auto-load"
+#define AUTO_LOAD_SAFE_PATH AUTO_LOAD_DIR
+#endif
+
 /* The section to look in for auto-loaded scripts (in file formats that
    support sections).
    Each entry in this section is a record that begins with a leading byte

gdb/charset.c

@@ -1007,6 +1007,12 @@ _initialize_charset ()
      which GNU libiconv doesn't like (infinite loop).  */
   if (!strcmp (auto_host_charset_name, "646") || !*auto_host_charset_name)
     auto_host_charset_name = "ASCII";
+#ifdef __amigaos4__
+  /* clib4's nl_langinfo(CODESET) returns "ISO-8859-1" but its iconv
+     implementation cannot reliably convert ISO-8859-1 to/from UTF-32.
+     Force UTF-8 which clib4's iconv handles correctly.  */
+  auto_host_charset_name = "UTF-8";
+#endif
   auto_target_charset_name = auto_host_charset_name;
 #elif defined (USE_WIN32API)
   {

gdb/filesystem.c

@@ -120,7 +120,14 @@ starting the forward slash (`/') character are considered absolute,\n\
 and the directory separator character is the forward slash (`/').  If\n\
 `dos-based', target file names starting with a drive letter followed\n\
 by a colon (e.g., `c:'), are also considered absolute, and the\n\
-backslash (`\\') is also considered a directory separator. Set to\n\
+backslash (`\\') is also considered a directory separator. If\n\
+`amiga-based', target file names starting with a drive name followed\n\
+by a colon (e.g., `sys:'), are also considered absolute, and the\n\
+directory separator character is the forward slash (`/'). Set to\n\
+backslash (`\\') is also considered a directory separator. If\n\
+`amiga-based', target file names starting with a drive name followed\n\
+by a colon (e.g., `sys:'), are also considered absolute, and the\n\
+directory separator character is the forward slash (`/'). Set to\n\
 `auto' (which is the default), to let GDB decide, based on its\n\
 knowledge of the target operating system."),
 #endif

gdb/filesystem.h

@@ -51,6 +51,7 @@ extern const char *target_file_system_kind;
 #else
 #define IS_TARGET_ABSOLUTE_PATH(kind, p)				\
   (((kind) == file_system_kind_dos_based) ? IS_DOS_ABSOLUTE_PATH (p) \
+   : ((kind) == file_system_kind_amigaos_based) ? IS_AMIGOS_ABSOLUTE_PATH(p) \
    : IS_UNIX_ABSOLUTE_PATH (p))
 #endif
 
@@ -65,6 +66,7 @@ extern const char *target_file_system_kind;
 #else
 #define HAS_TARGET_DRIVE_SPEC(kind, p)					\
   (((kind) == file_system_kind_dos_based) ? HAS_DOS_DRIVE_SPEC (p) \
+   : ((kind) == file_system_kind_amigaos_based) ? HAS_AMIGOS_DRIVE_SPEC(p) \
    : 0)
 #endif