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

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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.
This commit is contained in:
Sergey Belyashov 2020-01-03 16:23:19 +00:00 committed by Nick Clifton
parent f2a3559d54
commit 16d8767399
7 changed files with 22 additions and 9 deletions
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10
gas/ChangeLog
View File

@ -1,3 +1,13 @@
2020-01-03 Sergey Belyashov <sergey.belyashov@gmail.com>
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.
2020-01-03 Nick Clifton <nickc@redhat.com>
* po/sv.po: Updated Swedish translation.

4
gas/app.c
View File

@ -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

4
gas/as.h
View File

@ -588,6 +588,10 @@ COMMON int flag_m68k_mri;
#define flag_m68k_mri 0
#endif
#ifndef TC_STRING_ESCAPES
#define TC_STRING_ESCAPES 1
#endif
#ifdef WARN_COMMENTS
COMMON int warn_comment;
COMMON unsigned int found_comment;

2
gas/config/tc-ppc.h
View File

@ -61,7 +61,7 @@ extern const char *ppc_target_format (void);
/* Strings do not use backslash escapes under COFF. */
#ifdef OBJ_COFF
#define NO_STRING_ESCAPES
#define TC_STRING_ESCAPES 0
#endif
#ifdef OBJ_ELF

1
gas/config/tc-z80.h
View File

@ -96,6 +96,7 @@ extern void z80_cons_fix_new (fragS *, int, int, expressionS *);
/* We allow single quotes to delimit character constants as
well, but it is cleaner to handle that in tc-z80.c. */
#define SINGLE_QUOTE_STRINGS
#define TC_STRING_ESCAPES 0
/* An `.lcomm' directive with no explicit alignment parameter will
use this macro to set P2VAR to the alignment that a request for

4
gas/read.c
View File

@ -5435,8 +5435,9 @@ next_char_of_string (void)
bump_line_counters ();
break;
#ifndef NO_STRING_ESCAPES
case '\\':
if (!TC_STRING_ESCAPES)
break;
switch (c = *input_line_pointer++ & CHAR_MASK)
{
case 'b':
@ -5538,7 +5539,6 @@ next_char_of_string (void)
break;
}
break;
#endif /* ! defined (NO_STRING_ESCAPES) */
default:
break;

6
gas/testsuite/gas/z80/strings.d
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@ -8,7 +8,7 @@ Contents of section \.data:
0010 44454642 20746578 745c6e64 38373833.*
0020 4445464d 20746578 745c6e33 37383537.*
0030 44422074 6578745c 6e333837 39383337.*
0040 2e617363 69692074 6578743a bf0c0a00.*
0050 2e617363 697a2074 6578740a 39393900.*
0060 2e737472 696e6720 74657874 0a090000.*
0040 2e617363 69692074 6578745c 37325c32.*
0050 37375c66 5c6e5c30 2e617363 697a2074.*
0060 6578745c 6e393939 002e7374 72696e67.*
#pass