Allow individual targets to decide if string escapes should be allowed. Disable for PPC and Z80.

	PR 25311
	* as.h (TC_STRING_ESCAPES): Provide a default definition.
	* app.c (do_scrub_chars): Use TC_STRING_ESCAPES instead of
	NO_STRING_ESCAPES.
	* read.c (next_char_of_string): Likewise.
	* config/tc-ppc.h (TC_STRING_ESCAPES): Define.
	* config/tc-z80.h (TC_STRING_ESCAPES): Define.

1 files changed, 1 insertions, 3 deletions

diff --git a/gas/app.c b/gas/app.c
index 1bef63e..00c31bb 100644
--- a/gas/app.c
+++ b/gas/app.c
@@ -602,13 +602,11 @@ do_scrub_chars (size_t (*get) (char *, size_t), char *tostart, size_t tolen)
 	      state = old_state;
 	      PUT (ch);
 	    }
-#ifndef NO_STRING_ESCAPES
-	  else if (ch == '\\')
+	  else if (TC_STRING_ESCAPES && ch == '\\')
 	    {
 	      state = 6;
 	      PUT (ch);
 	    }
-#endif
 	  else if (scrub_m68k_mri && ch == '\n')
 	    {
 	      /* Just quietly terminate the string.  This permits lines like