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Fri Feb 17 11:20:13 GMT 2023

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From: Ulf Samuelsson <binutils@emagii.com>

Signed-off-by: Ulf Samuelsson <binutils@emagii.com>
---
 ld/ldgram.y | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/ld/ldgram.y b/ld/ldgram.y
index faffeec94b8..d543d47a5ef 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -41,6 +41,7 @@
 #include "mri.h"
 #include "ldctor.h"
 #include "ldlex.h"
+#include "checksum.h"
 
 #ifndef YYDEBUG
 #define YYDEBUG 1
@@ -130,6 +131,8 @@ static int error_index;
 %token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END
 %token SORT_BY_NAME SORT_BY_ALIGNMENT SORT_NONE
 %token SORT_BY_INIT_PRIORITY
+%token CRC64 ECMA ISO POLY POLYI TABLE
+%token DEBUG ON OFF
 %token '{' '}'
 %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
 %token INHIBIT_COMMON_ALLOCATION FORCE_GROUP_ALLOCATION
@@ -682,6 +685,28 @@ statement:
 		{
 		  lang_add_fill ($3);
 		}
+	| DEBUG ON
+		{
+			yydebug = 1;
+		}
+	| DEBUG OFF
+		{
+			yydebug = 0;
+		}
+	| CRC64
+		{
+		  lang_add_assignment (exp_assign (CRC_ADDRESS, exp_nameop (NAME,"."), false));
+		}
+		polynome '(' mustbe_exp ',' mustbe_exp ')'
+		{
+		  lang_add_assignment (exp_assign (CRC_START, $5, false));
+		  lang_add_assignment (exp_assign (CRC_END,   $7, false));
+		}
+	| CRC64 TABLE
+		{
+		  lang_add_assignment (exp_assign (CRC_TABLE, exp_nameop (NAME,"."), false));
+		  lang_add_crc_table();
+		}
 	| ASSERT_K
 		{ ldlex_expression (); }
 	  '(' exp ',' NAME ')' separator
@@ -696,6 +721,25 @@ statement:
 	  statement_list_opt END
 	;
 
+polynome:
+	  ECMA
+		{
+		  lang_add_crc_syndrome(false, CRC_POLY_64);
+		}
+	| ISO
+		{
+		  lang_add_crc_syndrome(false, CRC_POLY_64_ISO);
+		}
+	| POLY mustbe_exp
+		{
+		  lang_add_crc_syndrome(false, $2->value.value);
+		}
+		
+	| POLYI mustbe_exp
+		{
+		  lang_add_crc_syndrome(true,  $2->value.value);
+		}
+
 statement_list:
 		statement_list statement
 	|	statement
-- 
2.17.1

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