Re: [RFC v0 0/6] ASCII Command for output section

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From: Nick Clifton <nickc@redhat.com>
To: binutils@emagii.com, binutils@sourceware.org
Subject: Re: [RFC v0 0/6] ASCII Command for output section
Date: Wed, 15 Feb 2023 17:28:56 +0000	[thread overview]
Message-ID: <b9c6f385-894b-83bf-bf1d-373607ed8975@redhat.com> (raw)
In-Reply-To: <20230215114052.28292-1-binutils@emagii.com>

[-- Attachment #1: Type: text/plain, Size: 273 bytes --]

Hi Ulf,

   What do you think of this alternative version of your patch ?

   It will still need tweaking so that the tests will work on big-endian
   architectures, and the documentation will need fixing, but I think
   that it does most of what you want.

Cheers
   Nick

[-- Attachment #2: ascii.patch --]
[-- Type: text/x-patch, Size: 20509 bytes --]

diff --git a/ld/NEWS b/ld/NEWS
index 4ce7e19d40b..38af9cba877 100644
--- a/ld/NEWS
+++ b/ld/NEWS
@@ -1,5 +1,11 @@
 -*- text -*-
 
+* The linker script syntax has a new command for output sections: 
+  ASCII (<size>) "string" (Alt 1 = Working)
+  ASCII <size>, "string"  (Alt 2 = Not Working)
+  This will reserve a zero filled block of <size> bytes at the current
+  location and insert a zero-terminated string at the beginning of the block.
+
 * The linker script syntax has a new command for output sections: ASCIZ "string"
   This will insert a zero-terminated string at the current location.
 
diff --git a/ld/ld.texi b/ld/ld.texi
index 335886d4e6b..e309eebfa43 100644
--- a/ld/ld.texi
+++ b/ld/ld.texi
@@ -5308,6 +5308,7 @@ C identifiers because they contain a @samp{.} character.
 @cindex data
 @cindex section data
 @cindex output section data
+@kindex ASCII (@var{expression}) ``@var{string}''
 @kindex ASCIZ ``@var{string}''
 @kindex BYTE(@var{expression})
 @kindex SHORT(@var{expression})
@@ -5345,14 +5346,27 @@ When the object file format does not have an explicit endianness, as is
 true of, for example, S-records, the value will be stored in the
 endianness of the first input object file.
 
+You can include a fixed size string in an output section by using @code{ASCII}.
+The keyword is followed by a size and a string which is stored at
+the current value of the location counter adding zero bytes at the end.
+
 You can include a zero-terminated string in an output section by using
 @code{ASCIZ}.  The keyword is followed by a string which is stored at
-the current value of the location counter adding a zero byte at the
-end.  If the string includes spaces it must be enclosed in double
-quotes.  The string may contain '\n', '\r', '\t' and octal numbers.
-Hex numbers are not supported.
+the current value of the location counter adding a zero byte at the end.  
+
+If the string in an @code{ASCIZ} or @code{ASCIZ} command includes spaces
+it must be enclosed in double quotes.
+If the string is too long, a warning is issued and the string is truncated.
+The string can have C escape characters like '\n', '\r', '\t' and octal numbers.
+The '\"' escape is not supported.
+
+Example 1: This is string of 16 characters and will create a 32 byte area
+@smallexample
+  ASCII 32, "This is 16 bytes"
+  ASCII (32) "This is 16 bytes"
+@end smallexample
 
-For example, this string of 16 characters will create a 17 byte area
+Example 2: This is a string of 16 characters and will create a 17 byte area
 @smallexample
   ASCIZ "This is 16 bytes"
 @end smallexample
diff --git a/ld/ldgram.y b/ld/ldgram.y
index 8240cf97327..faffeec94b8 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -125,7 +125,7 @@ static int error_index;
 %right UNARY
 %token END
 %left <token> '('
-%token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE ASCIZ
+%token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE ASCII ASCIZ
 %token SECTIONS PHDRS INSERT_K AFTER BEFORE
 %token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END
 %token SORT_BY_NAME SORT_BY_ALIGNMENT SORT_NONE
@@ -668,9 +668,15 @@ statement:
 		{
 		  lang_add_data ((int) $1, $3);
 		}
+        | ASCII '(' mustbe_exp ')' NAME
+		{
+		  /* 'value' is a memory leak, do we care?  */
+		  etree_type *value = $3;
+		  lang_add_string (value->value.value, $5);
+		}
 	| ASCIZ NAME
 		{
-		  lang_add_string ($2);
+		  lang_add_string (0, $2);
 		}
 	| FILL '(' fill_exp ')'
 		{
diff --git a/ld/ldlang.c b/ld/ldlang.c
index b20455c9373..82e623a6f4a 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -8361,15 +8361,16 @@ lang_add_data (int type, union etree_union *exp)
   new_stmt->type = type;
 }
 
-void
-lang_add_string (const char *s)
+static char *
+convert_string (const char * s)
 {
-  bfd_vma  len = strlen (s);
-  bfd_vma  i;
-  bool     escape = false;
+  int     len = strlen (s);
+  int     i;
+  bool    escape = false;
+  char *  buffer = malloc (len + 1);
+  char *  b;
 
-  /* Add byte expressions until end of string.  */
-  for (i = 0 ; i < len; i++)
+  for (i = 0, b = buffer; i < len; i++)
     {
       char c = *s++;
 
@@ -8404,7 +8405,7 @@ lang_add_string (const char *s)
 		    value += (c - '0');
 		    i++;
 		    s++;
-
+ 
 		    c = *s;
 		    if ((c >= '0') && (c <= '7'))
 		      {
@@ -8422,26 +8423,58 @@ lang_add_string (const char *s)
 		    i--;
 		    s--;
 		  }
-
+		
 		c = value;
 	      }
 	      break;
 	    }
-
-	  lang_add_data (BYTE, exp_intop (c));
 	  escape = false;
 	}
       else
 	{
 	  if (c == '\\')
-	    escape = true;
-	  else
-	    lang_add_data (BYTE, exp_intop (c));
+	    {
+	      escape = true;
+	      continue;
+	    }
 	}
+
+      * b ++ = c;
     }
 
-  /* Remeber to terminate the string.  */
-  lang_add_data (BYTE, exp_intop (0));
+  * b = 0;
+  return buffer;
+}
+
+void
+lang_add_string (int size, const char *s)
+{
+  int     len;
+  int     i;
+  char *  string;
+
+  string = convert_string (s);
+  len = strlen (string);
+
+  /* Check if it is ASCIZ command (len == 0) */
+  if (size == 0)
+    size = len + 1;
+  else if (len > size)
+    {
+      /* We cannot fit the '\0' at the end.  */
+      len = size;
+
+      einfo (_("%P:%pS: warning: ASCII string does not fit in allocated space,"
+               " truncated\n"), NULL);
+    }
+
+  for (i = 0 ; i < len ; i++)
+    lang_add_data (BYTE, exp_intop (string[i]));
+
+  while (i++ < size)
+    lang_add_data (BYTE, exp_intop ('\0'));
+
+  free (string);
 }
 
 /* Create a new reloc statement.  RELOC is the BFD relocation type to
diff --git a/ld/ldlang.h b/ld/ldlang.h
index 32819066b8a..fe85e159aa7 100644
--- a/ld/ldlang.h
+++ b/ld/ldlang.h
@@ -646,8 +646,9 @@ extern void pop_stat_ptr
   (void);
 extern void lang_add_data
   (int, union etree_union *);
+extern bfd_vma charcount(const char *s);
 extern void lang_add_string
-  (const char *);
+  (int, const char *s);
 extern void lang_add_reloc
   (bfd_reloc_code_real_type, reloc_howto_type *, asection *, const char *,
    union etree_union *);
diff --git a/ld/ldlex.l b/ld/ldlex.l
index 32336cf0be2..910e7ea3b8b 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -309,6 +309,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)*
 <WILD>"LONG"				{ RTOKEN(LONG); }
 <WILD>"SHORT"				{ RTOKEN(SHORT); }
 <WILD>"BYTE"				{ RTOKEN(BYTE); }
+<WILD>"ASCII"				{ RTOKEN(ASCII); }
 <WILD>"ASCIZ"				{ RTOKEN(ASCIZ); }
 <SCRIPT>"NOFLOAT"			{ RTOKEN(NOFLOAT); }
 <SCRIPT,EXPRESSION>"NOCROSSREFS"	{ RTOKEN(NOCROSSREFS); }
diff --git a/ld/testsuite/ld-scripts/asciz.d b/ld/testsuite/ld-scripts/asciz.d
index 615cf99732f..d3b8e89fb31 100644
--- a/ld/testsuite/ld-scripts/asciz.d
+++ b/ld/testsuite/ld-scripts/asciz.d
@@ -1,17 +1,12 @@
 #source: asciz.s
 #ld: -T asciz.t
-#objdump: -s -j .text
-#target: [is_elf_format]
-#skip: mips*-*-*
-#skip: tilegx*-*-* tilepro-*-*
-# COFF, PE and MIPS targets align code to a 16 byte boundary
-# tilegx andtilepro aligns code to a 8 byte boundary.
+#objdump: -s -j .data
 
 .*:     file format .*
 
-Contents of section .text:
- .... 01010101 54686973 20697320 61207374  ....This is a st
- .... 72696e67 00...... ........ ........  ring............
- .... 54686973 20697320 616e6f74 68657220  This is another 
- .... 0a737472 696e6753 00                 .stringS........
+Contents of section .data:
+ .... 54686973 20697320 61207374 72696e67  This is a string
+ .... 00546869 73206973 20616e6f 74686572  .This is another
+ .... 0a537472 696e6700 006e6f71 756f7465  .String..noquote
+ .... 7300                                 s.              
 #pass
diff --git a/ld/testsuite/ld-scripts/asciz.t b/ld/testsuite/ld-scripts/asciz.t
index ab66f9a5bfb..3aeb7d0c767 100644
--- a/ld/testsuite/ld-scripts/asciz.t
+++ b/ld/testsuite/ld-scripts/asciz.t
@@ -1,23 +1,16 @@
-MEMORY {
-  rom : ORIGIN = 0x00000, LENGTH = 0x10000
-  ram : ORIGIN = 0x10000, LENGTH = 0x10000
-}
 
 _start = 0x000000;
 SECTIONS
 {
   . = 0x1000 + SIZEOF_HEADERS;
-  .text ALIGN (0x20) :
-    {
-      *(.text)
+  
+  .data : AT (0x10000)
+  {
       ASCIZ "This is a string"
-      . = ALIGN(0x20);
-      align_label = .;
-      ASCIZ "This is another \nstring\123"
-      unalign_label = .;
-    }
-  .data : AT (0x10000) { *(.data) } >ram /* NO default AT>rom */
-  . = ALIGN(0x20);
-  .bss : { *(.bss) } >ram /* NO default AT>rom */
+      ASCIZ "This is another\n\123tring"
+      ASCIZ ""
+      ASCIZ noquotes
+  }
+  
   /DISCARD/ : { *(*) }
 }
diff --git a/ld/testsuite/ld-scripts/script.exp b/ld/testsuite/ld-scripts/script.exp
index a574dde034c..56e12da8e61 100644
--- a/ld/testsuite/ld-scripts/script.exp
+++ b/ld/testsuite/ld-scripts/script.exp
@@ -228,6 +228,7 @@ foreach test_script $test_script_list {
 }
 
 run_dump_test "asciz"
+run_dump_test "ascii"
 run_dump_test "align-with-input"
 run_dump_test "pr20302"
 run_dump_test "output-section-types"
--- /dev/null	2023-02-15 08:07:19.809001089 +0000
+++ current/ld/testsuite/ld-scripts/ascii.s	2023-02-15 11:43:49.984490869 +0000
@@ -0,0 +1,9 @@
+    .extern ecc_start
+	.section .text
+main:
+	.long 0x45444F43
+	.long ecc_start
+	.section .data
+	.long 0x9abcdef0
+	.section .bss
+	.long 0
--- /dev/null	2023-02-15 08:07:19.809001089 +0000
+++ current/ld/testsuite/ld-scripts/ascii.t	2023-02-15 16:51:11.265841306 +0000
@@ -0,0 +1,51 @@
+MEMORY {
+  rom : ORIGIN = 0x000000, LENGTH = 0x400000
+  ram : ORIGIN = 0x400000, LENGTH = 0x10000
+}
+
+_start = 0x000000;
+SECTIONS
+{
+  . = 0x1000 + SIZEOF_HEADERS;
+  .text ALIGN (0x100) :
+
+    {
+      INCLUDE "header.inc"
+
+      FILL(0xFF)
+      entry = .;
+      *(.text)
+      . = ALIGN(0x100);
+      ASCII (128) "This is a string, 128 byte long"
+/*      ASCII (32) "This is a string" */
+      LONG(ecc_start)
+      . = ALIGN(16);
+      align_label = .;
+      ASCIZ "This is an unaligned string"
+      unalign_label = .;
+      BYTE(1)
+      BYTE(2)
+      BYTE(3)
+      BYTE(4)
+      BYTE(4)
+      BYTE(7)
+      BYTE(1)
+      BYTE(1)
+      . = ALIGN(16);
+      BYTE(1)
+      . = ALIGN(16);
+      /* ASCII (8) "This is way too long" */
+      . = ALIGN(16);
+      ASCII (64) "I meant to say: This is way too long"
+      . = ALIGN(1024);
+      ASCII (512) "A very long string followed by a '01'"
+      BYTE(1)
+      ecc_end = .;
+    } > rom
+
+  .data : AT (0x400000) { *(.data) } >ram /* NO default AT>rom */
+  . = ALIGN(0x20);
+  .bss : { *(.bss) } >ram /* NO default AT>rom */
+  /DISCARD/ : { *(*) }
+}
+
--- /dev/null	2023-02-15 08:07:19.809001089 +0000
+++ current/ld/testsuite/ld-scripts/ascii.d	2023-02-15 17:25:33.406181103 +0000
@@ -0,0 +1,155 @@
+#source: ascii.s
+#ld: -T ascii.t
+#objdump: -s -j .text
+#notarget: [is_aout_format]
+#xfail: tic4x-*-* tic54x-*-*
+
+.*:     file format .*
+
+Contents of section .text:
+ 1100 434f4445 deadbeef 00000000 00000000  CODE............
+ 1110 00120000 f1080000 00000000 00000000  ................
+ 1120 01020304 17000000 00004711 deadbeef  ..........G.....
+ 1130 70726f67 72616d20 6e616d65 00000000  program name....
+ 1140 656d7074 79000000 00000000 00000000  empty...........
+ 1150 00000000 00000000 00000000 00000000  ................
+ 1160 00000000 00000000 00000000 00000000  ................
+ 1170 00000000 00000000 00000000 00000000  ................
+ 1180 636f6d6d 656e7420 310a0000 00000000  comment 1.......
+ 1190 00000000 00000000 00000000 00000000  ................
+ 11a0 636f6d6d 656e7420 320a0000 00000000  comment 2.......
+ 11b0 00000000 00000000 00000000 00000000  ................
+ 11c0 636f6d6d 656e7420 330a0000 00000000  comment 3.......
+ 11d0 00000000 00000000 00000000 00000000  ................
+ 11e0 636f6d6d 656e7420 340a0000 00000000  comment 4.......
+ 11f0 00000000 00000000 deadbeef 434f4445  ............CODE
+ 1200 434f4445 10110000 ffffffff ffffffff  CODE............
+ 1210 ffffffff ffffffff ffffffff ffffffff  ................
+ 1220 ffffffff ffffffff ffffffff ffffffff  ................
+ 1230 ffffffff ffffffff ffffffff ffffffff  ................
+ 1240 ffffffff ffffffff ffffffff ffffffff  ................
+ 1250 ffffffff ffffffff ffffffff ffffffff  ................
+ 1260 ffffffff ffffffff ffffffff ffffffff  ................
+ 1270 ffffffff ffffffff ffffffff ffffffff  ................
+ 1280 ffffffff ffffffff ffffffff ffffffff  ................
+ 1290 ffffffff ffffffff ffffffff ffffffff  ................
+ 12a0 ffffffff ffffffff ffffffff ffffffff  ................
+ 12b0 ffffffff ffffffff ffffffff ffffffff  ................
+ 12c0 ffffffff ffffffff ffffffff ffffffff  ................
+ 12d0 ffffffff ffffffff ffffffff ffffffff  ................
+ 12e0 ffffffff ffffffff ffffffff ffffffff  ................
+ 12f0 ffffffff ffffffff ffffffff ffffffff  ................
+ 1300 54686973 20697320 61207374 72696e67  This is a string
+ 1310 2c203132 38206279 7465206c 6f6e6700  , 128 byte long.
+ 1320 00000000 00000000 00000000 00000000  ................
+ 1330 00000000 00000000 00000000 00000000  ................
+ 1340 00000000 00000000 00000000 00000000  ................
+ 1350 00000000 00000000 00000000 00000000  ................
+ 1360 00000000 00000000 00000000 00000000  ................
+ 1370 00000000 00000000 00000000 00000000  ................
+ 1380 10110000 ffffffff ffffffff ffffffff  ................
+ 1390 54686973 20697320 616e2075 6e616c69  This is an unali
+ 13a0 676e6564 20737472 696e6700 01020304  gned string.....
+ 13b0 04070101 ffffffff ffffffff ffffffff  ................
+ 13c0 01ffffff ffffffff ffffffff ffffffff  ................
+ 13d0 49206d65 616e7420 746f2073 61793a20  I meant to say: 
+ 13e0 54686973 20697320 77617920 746f6f20  This is way too 
+ 13f0 6c6f6e67 00000000 00000000 00000000  long............
+ .... 00000000 00000000 00000000 00000000  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... ffffffff ffffffff ffffffff ffffffff  ................
+ .... 41207665 7279206c 6f6e6720 73747269  A very long stri
+ .... 6e672066 6f6c6c6f 77656420 62792061  ng followed by a
+ .... 20273031 27000000 00000000 00000000   '01'...........
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 00000000 00000000 00000000 00000000  ................
+ .... 01                                   .               
+#pass
--- /dev/null	2023-02-15 08:07:19.809001089 +0000
+++ current/ld/testsuite/ld-scripts/header.inc	2023-02-15 16:49:45.026041032 +0000
@@ -0,0 +1,34 @@
+      /* HEADER */
+      FILL(0xFF)
+      QUAD(0xEFBEADDE45444F43);
+      crc64 = .;
+      QUAD(0)
+      ecc_start = .;
+      /* Program Entry */
+      LONG(entry)
+
+      /* Program size */
+      LONG(ecc_end - ecc_start)
+
+      /* Time Stamp */
+      time_since_epoch = .;
+      QUAD(0)
+
+      /* 32 bytes here */
+      /* Version info */
+      BYTE(1)
+      BYTE(2)
+      BYTE(3)
+      BYTE(4)
+      LONG(0x17)
+      LONG(0x11470000)
+      LONG(0xEFBEADDE)
+      /* 48 bytes here */
+      ASCII (16) "program name"
+      /* 64 bytes here */
+      ASCII (64) "empty"
+      ASCII (32) "comment 1\n"
+      ASCII (32) "comment 2\n"
+      ASCII (32) "comment 3\n"
+      ASCII (24) "comment 4\n"
+      QUAD(0x45444F43EFBEADDE);

next prev parent reply	other threads:[~2023-02-15 17:29 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-15 11:40 binutils
2023-02-15 11:40 ` [PATCH v0 1/6] Add testsuite for ASCII command binutils
2023-02-15 11:40 ` [PATCH v0 2/6] Add ASCII command info to NEWS binutils
2023-02-15 11:40 ` [PATCH v0 3/6] Add ASCII to info file binutils
2023-02-15 11:40 ` [PATCH v0 4/6] ldlex.l: add ASCII binutils
2023-02-15 11:44   ` Ulf Samuelsson
2023-02-15 11:40 ` [PATCH v0 5/6] ldgram.y: " binutils
2023-02-15 11:40 ` [PATCH v0 6/6] ldlang.*: parse ASCII command binutils
2023-02-15 17:07 ` [RFC v0 0/6] ASCII Command for output section Nick Clifton
2023-02-15 17:55   ` Ulf Samuelsson
2023-02-15 17:28 ` Nick Clifton [this message]
2023-02-15 17:52   ` Ulf Samuelsson
2023-02-15 18:29   ` Ulf Samuelsson
2023-02-16 16:31     ` Nick Clifton

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