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[PATCH v5 06/10] DIGEST: ldgram.y

binutils@emagii.com binutils@emagii.com
Wed Feb 22 16:16:05 GMT 2023 
From: Ulf Samuelsson <ulf@emagii.com>

Parse the following commands

DIGEST "NAME"                 (start, end)
DIGEST POLY  (size, polynome) (start, end)
DIGEST POLYI (size, polynome) (start, end)
DIGEST TABLE
DIGEST SECTION "NAME"
TIMESTAMP
DEBUG ON
DEBUG OFF

Signed-off-by: Ulf Samuelsson <ulf@emagii.com>
---
 ld/ldgram.y | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

diff --git a/ld/ldgram.y b/ld/ldgram.y
index faffeec94b8..2d752e52b6d 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -41,6 +41,7 @@
 #include "mri.h"
 #include "ldctor.h"
 #include "ldlex.h"
+#include "lddigest.h"
 
 #ifndef YYDEBUG
 #define YYDEBUG 1
@@ -130,6 +131,9 @@ 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 DIGEST POLY POLYI TABLE SECTION
+%token TIMESTAMP
+%token DEBUG ON OFF
 %token '{' '}'
 %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
 %token INHIBIT_COMMON_ALLOCATION FORCE_GROUP_ALLOCATION
@@ -668,7 +672,7 @@ statement:
 		{
 		  lang_add_data ((int) $1, $3);
 		}
-        | ASCII '(' mustbe_exp ')' NAME
+	| ASCII '(' mustbe_exp ')' NAME
 		{
 		  /* 'value' is a memory leak, do we care?  */
 		  etree_type *value = $3;
@@ -682,6 +686,25 @@ statement:
 		{
 		  lang_add_fill ($3);
 		}
+	| DIGEST polynome '(' mustbe_exp ',' mustbe_exp ')'
+		{
+		  lang_add_assignment (exp_assign (CRC_ADDRESS, exp_nameop (NAME,"."), false));
+		  lang_add_assignment (exp_assign (CRC_START, $4, false));
+		  lang_add_assignment (exp_assign (CRC_END,   $6, false));
+		}
+	| DIGEST TABLE
+		{
+		  lang_add_assignment (exp_assign (CRC_TABLE, exp_nameop (NAME,"."), false));
+		  lang_add_digest_table ();
+		}
+	| DIGEST SECTION NAME
+		{
+		  lang_set_digest_section ($3);
+		}
+	| TIMESTAMP
+		{
+		  lang_add_timestamp ();
+		}
 	| ASSERT_K
 		{ ldlex_expression (); }
 	  '(' exp ',' NAME ')' separator
@@ -689,13 +712,36 @@ statement:
 		  ldlex_popstate ();
 		  lang_add_assignment (exp_assert ($4, $6));
 		}
+	| DEBUG ON
+		{
+		  yydebug = 1;
+		}
+	| DEBUG OFF
+		{
+		  yydebug = 0;
+		}
 	| INCLUDE filename
 		{
 		  ldfile_open_command_file ($2);
 		}
+
 	  statement_list_opt END
 	;
 
+polynome:
+	NAME
+		{
+		  lang_set_digest($1);
+		}
+	| POLY '(' mustbe_exp ',' mustbe_exp ')'
+		{
+		  lang_add_digest (false, $3->value.value, $5->value.value);
+		}
+	| POLYI '(' mustbe_exp ',' mustbe_exp ')'
+		{
+		  lang_add_digest (true,  $3->value.value, $5->value.value);
+		}
+
 statement_list:
 		statement_list statement
 	|	statement
-- 
2.34.1
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