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From: binutils@emagii.com
To: binutils@sourceware.org
Cc: nickc@redhat.com, Ulf Samuelsson <binutils@emagii.com>
Subject: [PATCH v2 2/5] ldgram.y: CRC64
Date: Fri, 17 Feb 2023 18:40:34 +0100	[thread overview]
Message-ID: <20230217174037.11911-3-binutils@emagii.com> (raw)
In-Reply-To: <20230217174037.11911-1-binutils@emagii.com>

From: Ulf Samuelsson <binutils@emagii.com>

Signed-off-by: Ulf Samuelsson <binutils@emagii.com>
---
 ld/ldgram.y | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/ld/ldgram.y b/ld/ldgram.y
index faffeec94b8..1730c6f3cdd 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 +721,24 @@ 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


  parent reply	other threads:[~2023-02-17 17:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-17 17:40 [PATCH v2 0/5 Add support for CRC64 generation in linker binutils
2023-02-17 17:40 ` [PATCH v2 1/5] ldlex.l: CRC64 binutils
2023-02-17 17:40 ` binutils [this message]
2023-02-17 17:40 ` [PATCH v2 3/5] Calculate CRC64 over the .text area binutils
2023-02-17 17:40 ` [PATCH v2 4/5] CRC64 commands documentation binutils
2023-02-17 17:40 ` [PATCH v2 5/5] CRC64 testsuite binutils

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