From: binutils@emagii.com
To: binutils@sourceware.org
Cc: nickc@redhat.com, Ulf Samuelsson <ulf@emagii.com>
Subject: [PATCH v0 1/1] [RFC] Add support for CRC64 generation in linker
Date: Thu, 16 Feb 2023 14:19:05 +0100 [thread overview]
Message-ID: <20230216131905.1012-2-binutils@emagii.com> (raw)
In-Reply-To: <20230216131905.1012-1-binutils@emagii.com>
From: Ulf Samuelsson <ulf@emagii.com>
Support the following new linker commands:
* CRC64 ECMA '(' crc_start ',' crc_end ')'
* CRC64 ISO '(' crc_start ',' crc_end ')'
* CRC64 POLY '[' mustbe_exp ']' '(' crc_start ',' crc_end ')'
* CRC64 POLYI '[' mustbe_exp ']' '(' crc_start ',' crc_end ')'
* CRC64 TABLE
ECMA == 0x42F0E1EBA9EA3693
ISO == 0xD800000000000000
POLY == Allows your own polynome
POLYI == Allows your own polynome, with inversion during calc
The CRC is calculated from crc_start to crc_end (not included)
The linker will define
'___CRC64___' as the address of the CRC
'___CRC64_START__ as the first address to be CRC checked
'___CRC64_END___' as the first address after the CRC check block
* CRC TABLE creates a 2kB CRC table at the current location counter
This is used to speed up the CRC calculation.
So far, this patchset prepares for calculation of CRC, but does not
actually do the comparision yet.
Comments on the code:
The ldgram.y duplicates a lot of code, and this could be done
in a better way.
The code is using the libcrc released under an MIT license found in
* https://www.libcrc.org/
* https://github.com/lammertb/libcrc/tree/v2.0
Author: Lammert Bies
Signed-off-by: Ulf Samuelsson <ulf@emagii.com>
---
COPYING.CRC64 | 43 ++++
ld/checksum.h | 48 +++++
ld/ldgram.y | 50 +++++
ld/ldlang.c | 131 ++++++++++++
ld/ldlang.h | 6 +
ld/ldlex.l | 9 +
ld/testsuite/ld-scripts/crc.d | 379 ++++++++++++++++++++++++++++++++++
ld/testsuite/ld-scripts/crc.s | 9 +
ld/testsuite/ld-scripts/crc.t | 39 ++++
9 files changed, 714 insertions(+)
create mode 100755 COPYING.CRC64
create mode 100755 ld/checksum.h
create mode 100644 ld/testsuite/ld-scripts/crc.d
create mode 100644 ld/testsuite/ld-scripts/crc.s
create mode 100644 ld/testsuite/ld-scripts/crc.t
diff --git a/COPYING.CRC64 b/COPYING.CRC64
new file mode 100755
index 00000000000..0034ba311fc
--- /dev/null
+++ b/COPYING.CRC64
@@ -0,0 +1,43 @@
+The GNU linker contains CRC routines that are used to implement the
+CRC16 command in the output section.
+
+The CRC routines are extracted from LIBCRC available at
+
+They are used to
+* https://www.libcrc.org/
+* https://github.com/lammertb/libcrc/tree/v2.0
+
+
+/*
+ * Library: libcrc
+ * File: src/crc64.c
+ * Author: Lammert Bies
+ *
+ * This file is licensed under the MIT License as stated below
+ *
+ * Copyright (c) 2016 Lammert Bies
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Description
+ * -----------
+ * The source file src/crc64.c contains the routines which are needed to
+ * calculate a 64 bit CRC value of a sequence of bytes.
+ */
+
diff --git a/ld/checksum.h b/ld/checksum.h
new file mode 100755
index 00000000000..49a2aedd04b
--- /dev/null
+++ b/ld/checksum.h
@@ -0,0 +1,48 @@
+/*
+ * Library: libcrc
+ * Author: Lammert Bies
+ *
+ * This file is licensed under the MIT License as stated below
+ *
+ * Copyright (c) 2016 Lammert Bies
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef CHECKSUM_H
+#define CHECKSUM_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define CRC_POLY_64 0x42F0E1EBA9EA3693ull
+#define CRC_POLY_64_ISO 0xD800000000000000ull
+
+#define CRC_START_64 0x0000000000000000ull
+#define CRC_START_64_INV 0xFFFFFFFFFFFFFFFFull
+
+#define CRC_ADDRESS "___CRC64___"
+#define CRC_START "___CRC64_START___"
+#define CRC_END "___CRC64_END___"
+
+bfd_vma crc_64 (const unsigned char *input_str, size_t num_bytes);
+bfd_vma crc_64_inv(const unsigned char *input_str, size_t num_bytes);
+
+#endif /* CHECKSUM_H */
diff --git a/ld/ldgram.y b/ld/ldgram.y
index 8240cf97327..710de81ce71 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
@@ -676,6 +679,53 @@ statement:
{
lang_add_fill ($3);
}
+ | DEBUG ON
+ {
+ yydebug = 1;
+ }
+ | DEBUG OFF
+ {
+ yydebug = 0;
+ }
+
+ | CRC64 ECMA '(' mustbe_exp ',' mustbe_exp ')'
+ {
+ etree_type *DOT = exp_nameop (NAME,".");
+ lang_add_assignment (exp_assign (CRC_ADDRESS, DOT, false));
+ lang_add_crc_syndrome(false, CRC_POLY_64);
+ lang_add_assignment (exp_assign (CRC_START, $4, false));
+ lang_add_assignment (exp_assign (CRC_END, $6, false));
+ }
+ | CRC64 ISO '(' mustbe_exp ',' mustbe_exp ')'
+ {
+ etree_type *DOT = exp_nameop (NAME,".");
+ lang_add_assignment (exp_assign (CRC_ADDRESS, DOT, false));
+ lang_add_crc_syndrome(false, CRC_POLY_64_ISO);
+ lang_add_assignment (exp_assign (CRC_START, $4, false));
+ lang_add_assignment (exp_assign (CRC_END, $6, false));
+ }
+ | CRC64 POLY '[' mustbe_exp ']' '(' mustbe_exp ',' mustbe_exp ')'
+ {
+ etree_type *DOT = exp_nameop (NAME,".");
+ lang_add_assignment (exp_assign (CRC_ADDRESS, DOT, false));
+ etree_type *value = $4;
+ lang_add_crc_syndrome(false, value->value.value);
+ lang_add_assignment (exp_assign (CRC_START, $7, false));
+ lang_add_assignment (exp_assign (CRC_END, $9, false));
+ }
+ | CRC64 POLYI '[' mustbe_exp ']' '(' mustbe_exp ',' mustbe_exp ')'
+ {
+ etree_type *DOT = exp_nameop (NAME,".");
+ lang_add_assignment (exp_assign (CRC_ADDRESS, DOT, false));
+ etree_type *value = $4;
+ lang_add_crc_syndrome(true, value->value.value);
+ lang_add_assignment (exp_assign (CRC_START, $7, false));
+ lang_add_assignment (exp_assign (CRC_END, $9, false));
+ }
+ | CRC64 TABLE
+ {
+ lang_add_crc_table();
+ }
| ASSERT_K
{ ldlex_expression (); }
'(' exp ',' NAME ')' separator
diff --git a/ld/ldlang.c b/ld/ldlang.c
index b20455c9373..3ba467d6202 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -42,6 +42,8 @@
#include "demangle.h"
#include "hashtab.h"
#include "elf-bfd.h"
+#include "checksum.h"
+
#if BFD_SUPPORTS_PLUGINS
#include "plugin.h"
#endif /* BFD_SUPPORTS_PLUGINS */
@@ -145,6 +147,11 @@ int lang_statement_iteration = 0;
/* Count times through one_lang_size_sections_pass after mark phase. */
static int lang_sizing_iteration = 0;
+/* CRC calculation on output section */
+bfd_vma crc64_poly = CRC_POLY_64; /* Default Polynome is CRC64 ECMA */
+bfd_vma *crc64_tab = NULL;
+bool crc64_invert= false;
+
/* Return TRUE if the PATTERN argument is a wildcard pattern.
Although backslashes are treated specially if a pattern contains
wildcards, we do not consider the mere presence of a backslash to
@@ -8487,6 +8494,130 @@ lang_add_attribute (enum statement_enum attribute)
new_statement (attribute, sizeof (lang_statement_header_type), stat_ptr);
}
+/*
+ * bfd_vma *init_crc64_tab( bfd_vma poly ) ;
+ *
+ * For optimal speed, the CRC64 calculation uses a table with pre-calculated
+ * bit patterns which are used in the XOR operations in the program. This table
+ * is generated on request and is available as a table with constant values.
+ * init_crc64_tab is copyright (c) 2016 Lammert Bies
+ */
+static
+bfd_vma *init_crc64_tab( bfd_vma poly ) {
+
+ bfd_vma i;
+ bfd_vma j;
+ bfd_vma c;
+ bfd_vma crc;
+ bfd_vma *crc_tab;
+
+ crc_tab = malloc(256 * sizeof(bfd_vma));
+ if (crc_tab == NULL)
+ return NULL;
+
+ for (i=0; i<256; i++) {
+
+ crc = 0;
+ c = i << 56;
+
+ for (j=0; j<8; j++) {
+
+ if ( ( crc ^ c ) & 0x8000000000000000ull ) crc = ( crc << 1 ) ^ poly;
+ else crc = crc << 1;
+
+ c = c << 1;
+ }
+
+ crc_tab[i] = crc;
+ }
+ return crc_tab;
+
+} /* init_crc64_tab */
+
+/*
+ * bfd_vma crc_64_ecma( const unsigned char *input_str, size_t num_bytes );
+ *
+ * The function crc_64() calculates in one pass the 64 bit CRC value
+ * for a byte string that is passed to the function together with a parameter
+ * indicating the length.
+ * This is used for CRC64-ECMA and CRC64-ISO
+ * crc_64 is copyright (c) 2016 Lammert Bies
+ */
+
+bfd_vma crc_64(const unsigned char *input_str, size_t num_bytes)
+{
+ bfd_vma crc;
+ const unsigned char *ptr;
+ size_t a;
+ crc = CRC_START_64;
+ ptr = input_str;
+ if ( ptr != NULL ) {
+ for (a=0; a<num_bytes; a++) {
+ crc = (crc << 8) ^ crc64_tab[ ((crc >> 56) ^ (bfd_vma) *ptr++) & 0x00000000000000FFull ];
+ }
+ }
+ return crc;
+} /* crc_64 */
+
+/*
+ * The function crc_64_inv() calculates in one pass the CRC64 64 bit CRC
+ * value for a byte string that is passed to the function together with a
+ * parameter indicating the length.
+ * This is used for CRC64-WE
+ * crc_64_inv is copyright (c) 2016 Lammert Bies
+ */
+
+bfd_vma crc_64_inv( const unsigned char *input_str, size_t num_bytes ) {
+
+ bfd_vma crc;
+ const unsigned char *ptr;
+ size_t a;
+
+ crc = CRC_START_64_INV;
+ ptr = input_str;
+
+ if ( ptr != NULL ) {
+ for (a=0; a<num_bytes; a++) {
+ crc = (crc << 8) ^ crc64_tab[ ((crc >> 56) ^ (bfd_vma) *ptr++) & 0x00000000000000FFull ];
+ }
+ }
+
+ return crc ^ 0xFFFFFFFFFFFFFFFFull;
+
+} /* crc_64_inv */
+
+extern void lang_add_crc_syndrome(bool invert, bfd_vma poly)
+{
+ crc64_poly = poly; /* Set the polynom */
+ crc64_invert = invert;
+ lang_add_data (QUAD, exp_intop (0)); /* Reserve room for the ECC value */
+ if (crc64_tab == NULL)
+ {
+ crc64_tab = init_crc64_tab(crc64_poly);
+ }
+ else
+ {
+ einfo (_("%P:%pS: warning: CRC polynome declared twice (ignored)\n"), NULL);
+ }
+}
+
+extern void lang_add_crc_table(void)
+{
+ if (crc64_tab == NULL)
+ {
+ crc64_tab = init_crc64_tab(crc64_poly);
+ if (crc64_tab == NULL)
+ {
+ einfo (_("%F%P: can not allocate memory for CRC table: %E\n"));
+ return;
+ }
+ }
+ for (bfd_vma i = 0 ; i < 256 ; i++)
+ {
+ lang_add_data (QUAD, exp_intop (crc64_tab[i]));
+ }
+}
+
void
lang_startup (const char *name)
{
diff --git a/ld/ldlang.h b/ld/ldlang.h
index 32819066b8a..dd8fe29249b 100644
--- a/ld/ldlang.h
+++ b/ld/ldlang.h
@@ -632,6 +632,12 @@ extern lang_output_section_statement_type *lang_output_section_statement_lookup
(const char *, int, int);
extern lang_output_section_statement_type *next_matching_output_section_statement
(lang_output_section_statement_type *, int);
+extern void lang_add_crc_syndrome
+ (bool, bfd_vma);
+extern void lang_add_crc_table
+ (void);
+extern void lang_set_crc_region
+ (union etree_union *start, union etree_union *end);
extern void ldlang_add_undef
(const char *const, bool);
extern void ldlang_add_require_defined
diff --git a/ld/ldlex.l b/ld/ldlex.l
index 32336cf0be2..e872ce7b2c6 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -298,6 +298,15 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)*
<SCRIPT>"AFTER" { RTOKEN(AFTER); }
<SCRIPT>"BEFORE" { RTOKEN(BEFORE); }
<WILD>"FILL" { RTOKEN(FILL); }
+<WILD>"CRC64" { RTOKEN(CRC64); }
+<WILD>"ECMA" { RTOKEN(ECMA); }
+<WILD>"ISO" { RTOKEN(ISO); }
+<WILD>"POLY" { RTOKEN(POLY); }
+<WILD>"POLYI" { RTOKEN(POLYI); }
+<WILD>"TABLE" { RTOKEN(TABLE); }
+<WILD>"DEBUG" { RTOKEN(DEBUG); }
+<WILD>"ON" { RTOKEN(ON); }
+<WILD>"OFF" { RTOKEN(OFF); }
<SCRIPT>"STARTUP" { RTOKEN(STARTUP); }
<SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT); }
<SCRIPT>"OUTPUT_ARCH" { RTOKEN(OUTPUT_ARCH); }
diff --git a/ld/testsuite/ld-scripts/crc.d b/ld/testsuite/ld-scripts/crc.d
new file mode 100644
index 00000000000..6f542cac747
--- /dev/null
+++ b/ld/testsuite/ld-scripts/crc.d
@@ -0,0 +1,379 @@
+#source: crc.s
+#ld: -T crc.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 10110000 00000000 10280000 00000000 .........(......
+ 1120 00170000 00000000 deadbeef 434f4445 ............CODE
+ 1130 434f4445 10110000 ffffffff ffffffff CODE............
+ 1140 ffffffff ffffffff ffffffff ffffffff ................
+ 1150 ffffffff ffffffff ffffffff ffffffff ................
+ 1160 ffffffff ffffffff ffffffff ffffffff ................
+ 1170 ffffffff ffffffff ffffffff ffffffff ................
+ 1180 ffffffff ffffffff ffffffff ffffffff ................
+ 1190 ffffffff ffffffff ffffffff ffffffff ................
+ 11a0 ffffffff ffffffff ffffffff ffffffff ................
+ 11b0 ffffffff ffffffff ffffffff ffffffff ................
+ 11c0 ffffffff ffffffff ffffffff ffffffff ................
+ 11d0 ffffffff ffffffff ffffffff ffffffff ................
+ 11e0 ffffffff ffffffff ffffffff ffffffff ................
+ 11f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1200 01ffffff ffffffff ffffffff ffffffff ................
+ 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 ffffffff ffffffff ffffffff ffffffff ................
+ 1310 ffffffff ffffffff ffffffff ffffffff ................
+ 1320 ffffffff ffffffff ffffffff ffffffff ................
+ 1330 ffffffff ffffffff ffffffff ffffffff ................
+ 1340 ffffffff ffffffff ffffffff ffffffff ................
+ 1350 ffffffff ffffffff ffffffff ffffffff ................
+ 1360 ffffffff ffffffff ffffffff ffffffff ................
+ 1370 ffffffff ffffffff ffffffff ffffffff ................
+ 1380 ffffffff ffffffff ffffffff ffffffff ................
+ 1390 ffffffff ffffffff ffffffff ffffffff ................
+ 13a0 ffffffff ffffffff ffffffff ffffffff ................
+ 13b0 ffffffff ffffffff ffffffff ffffffff ................
+ 13c0 ffffffff ffffffff ffffffff ffffffff ................
+ 13d0 ffffffff ffffffff ffffffff ffffffff ................
+ 13e0 ffffffff ffffffff ffffffff ffffffff ................
+ 13f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1400 ffffffff ffffffff ffffffff ffffffff ................
+ 1410 ffffffff ffffffff ffffffff ffffffff ................
+ 1420 ffffffff ffffffff ffffffff ffffffff ................
+ 1430 ffffffff ffffffff ffffffff ffffffff ................
+ 1440 ffffffff ffffffff ffffffff ffffffff ................
+ 1450 ffffffff ffffffff ffffffff ffffffff ................
+ 1460 ffffffff ffffffff ffffffff ffffffff ................
+ 1470 ffffffff ffffffff ffffffff ffffffff ................
+ 1480 ffffffff ffffffff ffffffff ffffffff ................
+ 1490 ffffffff ffffffff ffffffff ffffffff ................
+ 14a0 ffffffff ffffffff ffffffff ffffffff ................
+ 14b0 ffffffff ffffffff ffffffff ffffffff ................
+ 14c0 ffffffff ffffffff ffffffff ffffffff ................
+ 14d0 ffffffff ffffffff ffffffff ffffffff ................
+ 14e0 ffffffff ffffffff ffffffff ffffffff ................
+ 14f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1500 ffffffff ffffffff ffffffff ffffffff ................
+ 1510 ffffffff ffffffff ffffffff ffffffff ................
+ 1520 ffffffff ffffffff ffffffff ffffffff ................
+ 1530 ffffffff ffffffff ffffffff ffffffff ................
+ 1540 ffffffff ffffffff ffffffff ffffffff ................
+ 1550 ffffffff ffffffff ffffffff ffffffff ................
+ 1560 ffffffff ffffffff ffffffff ffffffff ................
+ 1570 ffffffff ffffffff ffffffff ffffffff ................
+ 1580 ffffffff ffffffff ffffffff ffffffff ................
+ 1590 ffffffff ffffffff ffffffff ffffffff ................
+ 15a0 ffffffff ffffffff ffffffff ffffffff ................
+ 15b0 ffffffff ffffffff ffffffff ffffffff ................
+ 15c0 ffffffff ffffffff ffffffff ffffffff ................
+ 15d0 ffffffff ffffffff ffffffff ffffffff ................
+ 15e0 ffffffff ffffffff ffffffff ffffffff ................
+ 15f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1600 ffffffff ffffffff ffffffff ffffffff ................
+ 1610 ffffffff ffffffff ffffffff ffffffff ................
+ 1620 ffffffff ffffffff ffffffff ffffffff ................
+ 1630 ffffffff ffffffff ffffffff ffffffff ................
+ 1640 ffffffff ffffffff ffffffff ffffffff ................
+ 1650 ffffffff ffffffff ffffffff ffffffff ................
+ 1660 ffffffff ffffffff ffffffff ffffffff ................
+ 1670 ffffffff ffffffff ffffffff ffffffff ................
+ 1680 ffffffff ffffffff ffffffff ffffffff ................
+ 1690 ffffffff ffffffff ffffffff ffffffff ................
+ 16a0 ffffffff ffffffff ffffffff ffffffff ................
+ 16b0 ffffffff ffffffff ffffffff ffffffff ................
+ 16c0 ffffffff ffffffff ffffffff ffffffff ................
+ 16d0 ffffffff ffffffff ffffffff ffffffff ................
+ 16e0 ffffffff ffffffff ffffffff ffffffff ................
+ 16f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1700 ffffffff ffffffff ffffffff ffffffff ................
+ 1710 ffffffff ffffffff ffffffff ffffffff ................
+ 1720 ffffffff ffffffff ffffffff ffffffff ................
+ 1730 ffffffff ffffffff ffffffff ffffffff ................
+ 1740 ffffffff ffffffff ffffffff ffffffff ................
+ 1750 ffffffff ffffffff ffffffff ffffffff ................
+ 1760 ffffffff ffffffff ffffffff ffffffff ................
+ 1770 ffffffff ffffffff ffffffff ffffffff ................
+ 1780 ffffffff ffffffff ffffffff ffffffff ................
+ 1790 ffffffff ffffffff ffffffff ffffffff ................
+ 17a0 ffffffff ffffffff ffffffff ffffffff ................
+ 17b0 ffffffff ffffffff ffffffff ffffffff ................
+ 17c0 ffffffff ffffffff ffffffff ffffffff ................
+ 17d0 ffffffff ffffffff ffffffff ffffffff ................
+ 17e0 ffffffff ffffffff ffffffff ffffffff ................
+ 17f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1800 ffffffff ffffffff ffffffff ffffffff ................
+ 1810 ffffffff ffffffff ffffffff ffffffff ................
+ 1820 ffffffff ffffffff ffffffff ffffffff ................
+ 1830 ffffffff ffffffff ffffffff ffffffff ................
+ 1840 ffffffff ffffffff ffffffff ffffffff ................
+ 1850 ffffffff ffffffff ffffffff ffffffff ................
+ 1860 ffffffff ffffffff ffffffff ffffffff ................
+ 1870 ffffffff ffffffff ffffffff ffffffff ................
+ 1880 ffffffff ffffffff ffffffff ffffffff ................
+ 1890 ffffffff ffffffff ffffffff ffffffff ................
+ 18a0 ffffffff ffffffff ffffffff ffffffff ................
+ 18b0 ffffffff ffffffff ffffffff ffffffff ................
+ 18c0 ffffffff ffffffff ffffffff ffffffff ................
+ 18d0 ffffffff ffffffff ffffffff ffffffff ................
+ 18e0 ffffffff ffffffff ffffffff ffffffff ................
+ 18f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1900 ffffffff ffffffff ffffffff ffffffff ................
+ 1910 ffffffff ffffffff ffffffff ffffffff ................
+ 1920 ffffffff ffffffff ffffffff ffffffff ................
+ 1930 ffffffff ffffffff ffffffff ffffffff ................
+ 1940 ffffffff ffffffff ffffffff ffffffff ................
+ 1950 ffffffff ffffffff ffffffff ffffffff ................
+ 1960 ffffffff ffffffff ffffffff ffffffff ................
+ 1970 ffffffff ffffffff ffffffff ffffffff ................
+ 1980 ffffffff ffffffff ffffffff ffffffff ................
+ 1990 ffffffff ffffffff ffffffff ffffffff ................
+ 19a0 ffffffff ffffffff ffffffff ffffffff ................
+ 19b0 ffffffff ffffffff ffffffff ffffffff ................
+ 19c0 ffffffff ffffffff ffffffff ffffffff ................
+ 19d0 ffffffff ffffffff ffffffff ffffffff ................
+ 19e0 ffffffff ffffffff ffffffff ffffffff ................
+ 19f0 ffffffff ffffffff ffffffff ffffffff ................
+ 1a00 ffffffff ffffffff ffffffff ffffffff ................
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+ 1a20 ffffffff ffffffff ffffffff ffffffff ................
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+ 1a40 ffffffff ffffffff ffffffff ffffffff ................
+ 1a50 ffffffff ffffffff ffffffff ffffffff ................
+ 1a60 ffffffff ffffffff ffffffff ffffffff ................
+ 1a70 ffffffff ffffffff ffffffff ffffffff ................
+ 1a80 ffffffff ffffffff ffffffff ffffffff ................
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+ 1cf0 ffffffff ffffffff ffffffff ffffffff ................
+ 1d00 ffffffff ffffffff ffffffff ffffffff ................
+ 1d10 ffffffff ffffffff ffffffff ffffffff ................
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+ 1d80 ffffffff ffffffff ffffffff ffffffff ................
+ 1d90 ffffffff ffffffff ffffffff ffffffff ................
+ 1da0 ffffffff ffffffff ffffffff ffffffff ................
+ 1db0 ffffffff ffffffff ffffffff ffffffff ................
+ 1dc0 ffffffff ffffffff ffffffff ffffffff ................
+ 1dd0 ffffffff ffffffff ffffffff ffffffff ................
+ 1de0 ffffffff ffffffff ffffffff ffffffff ................
+ 1df0 ffffffff ffffffff ffffffff ffffffff ................
+ 1e00 ffffffff ffffffff ffffffff ffffffff ................
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+ 1f70 ffffffff ffffffff ffffffff ffffffff ................
+ 1f80 ffffffff ffffffff ffffffff ffffffff ................
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+ 1fa0 ffffffff ffffffff ffffffff ffffffff ................
+ 1fb0 ffffffff ffffffff ffffffff ffffffff ................
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+ 1fd0 ffffffff ffffffff ffffffff ffffffff ................
+ 1fe0 ffffffff ffffffff ffffffff ffffffff ................
+ 1ff0 ffffffff ffffffff 434f4445 deadbeef ........CODE....
+ 2000 00000000 00000000 9336eaa9 ebe1f042 .........6.....B
+ 2010 266dd453 d7c3e185 b55b3efa 3c2211c7 &m.S.....[>.<"..
+ 2020 dfec420e 45663349 4cdaa8a7 ae87c30b ..B.Ef3IL.......
+ 2030 f981965d 92a5d2cc 6ab77cf4 7944228e ...]....j.|.yD".
+ 2040 bed9851c 8acc6692 2def6fb5 612d96d0 ......f.-.o.a-..
+ 2050 98b4514f 5d0f8717 0b82bbe6 b6ee7755 ..QO].........wU
+ 2060 6135c712 cfaa55db f2032dbb 244ba599 a5....U...-.$K..
+ 2070 47581341 1869b45e d46ef9e8 f388441c GX.A.i.^.n....D.
+ 2080 ef85e190 ff783d66 7cb30b39 1499cd24 .....x=f|..9...$
+ 2090 c9e835c3 28bbdce3 5adedf6a c35a2ca1 ..5.(...Z..j.Z,.
+ 20a0 3069a39e ba1e0e2f a35f4937 51fffe6d 0i...../._I7Q..m
+ 20b0 160477cd 6dddefaa 85329d64 863c1fe8 ..w.m....2.d.<..
+ 20c0 515c648c 75b45bf4 c26a8e25 9e55abb6 Q\d.u.[..j.%.U..
+ 20d0 7731b0df a277ba71 e4075a76 49964a33 w1...w.q..ZvI.J3
+ 20e0 8eb02682 30d268bd 1d86cc2b db3398ff ..&.0.h....+.3..
+ 20f0 a8ddf2d1 e7118938 3beb1878 0cf0797a .......8;..x..yz
+ 2100 de0bc321 fff17acc 4d3d2988 14108a8e ...!..z.M=).....
+ 2110 f8661772 28329b49 6b50fddb c3d36b0b .f.r(2.IkP....k.
+ 2120 01e7812f ba974985 92d16b86 5176b9c7 .../..I...k.Qv..
+ 2130 278a557c 6d54a800 b4bcbfd5 86b55842 '.U|mT........XB
+ 2140 60d2463d 753d1c5e f3e4ac94 9edcec1c `.F=u=.^........
+ 2150 46bf926e a2fefddb d58978c7 491f0d99 F..n......x.I...
+ 2160 bf3e0433 305b2f17 2c08ee9a dbbadf55 .>.30[/.,......U
+ 2170 9953d060 e798ce92 0a653ac9 0c793ed0 .S.`.....e:..y>.
+ 2180 318e22b1 008947aa a2b8c818 eb68b7e8 1."...G......h..
+ 2190 17e3f6e2 d74aa62f 84d51c4b 3cab566d .....J./...K<.Vm
+ 21a0 ee6260bf 45ef74e3 7d548a16 ae0e84a1 .b`.E.t.}T......
+ 21b0 c80fb4ec 922c9566 5b395e45 79cd6524 .....,.f[9^Ey.e$
+ 21c0 8f57a7ad 8a452138 1c614d04 61a4d17a .W...E!8.aM.a..z
+ 21d0 a93a73fe 5d86c0bd 3a0c9957 b66730ff .:s.]...:..W.g0.
+ 21e0 50bbe5a3 cf231271 c38d0f0a 24c2e233 P....#.q....$..3
+ 21f0 76d631f0 18e0f3f4 e5e0db59 f30103b6 v.1........Y....
+ 2200 2f216cea 150205da bc178643 fee3f598 /!l........C....
+ 2210 094cb8b9 c2c1e45f 9a7a5210 2920141d .L....._.zR.) ..
+ 2220 f0cd2ee4 50643693 63fbc44d bb85c6d1 ....Pd6.c..M....
+ 2230 d6a0fab7 87a7d716 4596101e 6c462754 ........E...lF'T
+ 2240 91f8e9f6 9fce6348 02ce035f 742f930a ......cH..._t/..
+ 2250 b7953da5 480d82cd 24a3d70c a3ec728f ..=.H...$.....r.
+ 2260 4e14abf8 daa85001 dd224151 3149a043 N.....P.."AQ1I.C
+ 2270 68797fab 0d6bb184 fb4f9502 e68a41c6 hy...k...O....A.
+ 2280 c0a48d7a ea7a38bc 539267d3 019bc8fe ...z.z8.S.g.....
+ 2290 e6c95929 3db9d939 75ffb380 d658297b ..Y)=..9u....X){
+ 22a0 1f48cf74 af1c0bf5 8c7e25dd 44fdfbb7 .H.t.....~%.D...
+ 22b0 39251b27 78dfea70 aa13f18e 933e1a32 9%.'x..p.....>.2
+ 22c0 7e7d0866 60b65e2e ed4be2cf 8b57ae6c ~}.f`.^..K...W.l
+ 22d0 5810dc35 b775bfab cb26369c 5c944fe9 X..5.u...&6.\.O.
+ 22e0 a1914a68 25d06d67 32a7a0c1 ce319d25 ..Jh%.mg2....1.%
+ 22f0 87fc9e3b f2138ce2 14ca7492 19f27ca0 ...;......t...|.
+ 2300 f12aafcb eaf37f16 621c4562 01128f54 .*......b.Eb...T
+ 2310 d7477b98 3d309e93 44719131 d6d16ed1 .G{.=0..Dq.1..n.
+ 2320 2ec6edc5 af954c5f bdf0076c 4474bc1d ......L_...lDt..
+ 2330 08ab3996 7856adda 9b9dd33f 93b75d98 ..9.xV.....?..].
+ 2340 4ff32ad7 603f1984 dcc5c07e 8bdee9c6 O.*.`?.....~....
+ 2350 699efe84 b7fcf801 faa8142d 5c1d0843 i..........-\..C
+ 2360 901f68d9 25592acd 03298270 ceb8da8f ..h.%Y*..).p....
+ 2370 b672bc8a f29acb48 25445623 197b3b0a .r.....H%DV#.{;.
+ 2380 1eaf4e5b 158b4270 8d99a4f2 fe6ab232 ..N[..Bp.....j.2
+ 2390 38c29a08 c248a3f5 abf470a1 29a953b7 8....H....p.).S.
+ 23a0 c1430c55 50ed7139 5275e6fc bb0c817b .C.UP.q9Ru.....{
+ 23b0 e72ed806 872e90bc 741832af 6ccf60fe ........t.2.l.`.
+ 23c0 a076cb47 9f4724e2 334021ee 74a6d4a0 .v.G.G$.3@!.t...
+ 23d0 861b1f14 4884c567 152df5bd a3653525 ....H..g.-...e5%
+ 23e0 7f9a8949 da2117ab ecac63e0 31c0e7e9 ...I.!....c.1...
+ 23f0 59f75d1a 0de2f62e cac1b7b3 e603066c Y.]............l
+ 2400 cd74327d c0e5faf6 5e42d8d4 2b040ab4 .t2}....^B..+...
+ 2410 eb19e62e 17261b73 782f0c87 fcc7eb31 .....&.sx/.....1
+ 2420 12987073 8583c9bf 81ae9ada 6e6239fd ..ps........nb9.
+ 2430 34f5a420 5240283a a7c34e89 b9a1d878 4.. R@(:..N....x
+ 2440 73adb761 4a299c64 e09b5dc8 a1c86c26 s..aJ).d..]...l&
+ 2450 55c06332 9dea7de1 c6f6899b 760b8da3 U.c2..}.....v...
+ 2460 ac41f56f 0f4faf2d 3f771fc6 e4ae5f6f .A.o.O.-?w...._o
+ 2470 8a2c213c d88c4ea8 191acb95 336dbeea .,!<..N.....3m..
+ 2480 22f1d3ed 3f9dc790 b1c73944 d47c37d2 "...?.....9D.|7.
+ 2490 049c07be e85e2615 97aaed17 03bfd657 .....^&........W
+ 24a0 fd1d91e3 7afbf4d9 6e2b7b4a 911a049b ....z...n+{J....
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+ 24c0 9c2856f1 b551a102 0f1ebc58 5eb05140 .(V..Q.....X^.Q@
+ 24d0 ba4582a2 62924087 2973680b 8973b0c5 .E..b.@.)sh..s..
+ 24e0 43c414ff f037924b d0f2fe56 1bd66209 C....7.K...V..b.
+ 24f0 65a9c0ac 27f473ce f69f2a05 cc15838c e...'.s...*.....
+ 2500 137ff15c 3f14803a 80491bf5 d4f57078 ...\?..:.I....px
+ 2510 3512250f e8d761bf a624cfa6 033691fd 5.%...a..$...6..
+ 2520 cc93b352 7a72b373 5fa559fb 91934331 ...Rzr.s_.Y...C1
+ 2530 eafe6701 adb152f6 79c88da8 4650a2b4 ..g...R.y...FP..
+ 2540 ada67440 b5d8e6a8 3e909ee9 5e3916ea ..t@....>...^9..
+ 2550 8bcba013 621b072d 18fd4aba 89faf76f ....b..-..J....o
+ 2560 724a364e f0bed5e1 e17cdce7 1b5f25a3 rJ6N.....|..._%.
+ 2570 5427e21d 277d3464 c71108b4 cc9cc426 T'..'}4d.......&
+ 2580 fcfa10cc c06cbd5c 6fccfa65 2b8d4d1e .....l.\o..e+.M.
+ 2590 da97c49f 17af5cd9 49a12e36 fc4eac9b ......\.I..6.N..
+ 25a0 231652c2 850a8e15 b020b86b 6eeb7e57 #.R...... .kn.~W
+ 25b0 057b8691 52c96f90 964d6c38 b9289fd2 .{..R.o..Ml8.(..
+ 25c0 422395d0 4aa0dbce d1157f79 a1412b8c B#..J......y.A+.
+ 25d0 644e4183 9d633a4b f778ab2a 7682ca09 dNA..c:K.x.*v...
+ 25e0 9dcfd7de 0fc6e887 0ef93d77 e42718c5 ..........=w.'..
+ 25f0 bba2038d d8050902 2894e924 33e4f940 ........(..$3..@
+ 2600 e2555e97 d5e7ff2c 7163b43e 3e060f6e .U^....,qc.>>..n
+ 2610 c4388ac4 02241ea9 570e606d e9c5eeeb .8...$..W.`m....
+ 2620 3db91c99 9081cc65 ae8ff630 7b603c27 =......e...0{`<'
+ 2630 1bd4c8ca 47422de0 88e22263 aca3dda2 ....GB-..."c....
+ 2640 5c8cdb8b 5f2b99be cfba3122 b4ca69fc \..._+....1"..i.
+ 2650 7ae10fd8 88e8783b e9d7e571 63098879 z.....x;...qc..y
+ 2660 83609985 1a4daaf7 1056732c f1ac5ab5 .`...M...Vs,..Z.
+ 2670 a50d4dd6 cd8e4b72 363ba77f 266fbb30 ..M...Kr6;..&o.0
+ 2680 0dd0bf07 2a9fc24a 9ee655ae c17e3208 ....*..J..U..~2.
+ 2690 2bbd6b54 fd5c23cf b88b81fd 16bdd38d +.kT.\#.........
+ 26a0 d23cfd09 6ff9f103 410a17a0 84180141 .<..o...A......A
+ 26b0 f451295a b83a1086 6767c3f3 53dbe0c4 .Q)Z.:..gg..S...
+ 26c0 b3093a1b a053a4d8 203fd0b2 4bb2549a ..:..S.. ?..K.T.
+ 26d0 9564ee48 7790455d 065204e1 9c71b51f .d.Hw.E].R...q..
+ 26e0 6ce57815 e5359791 ffd392bc 0ed467d3 l.x..5........g.
+ 26f0 4a88ac46 32f67614 d9be46ef d9178656 J..F2.v...F....V
+ 2700 3c5e9db6 2a1685e0 af68771f c1f775a2 <^..*....hw...u.
+ 2710 1a3349e5 fdd56465 8905a34c 16349427 .3I...de...L.4.'
+ 2720 e3b2dfb8 6f70b6a9 70843511 849146eb ....op..p.5...F.
+ 2730 c5df0beb b8b3572c 56e9e142 5352a76e ......W,V..BSR.n
+ 2740 828718aa a0dae372 11b1f203 4b3b1330 .......r....K;.0
+ 2750 a4eaccf9 771902f7 37dc2650 9cf8f2b5 ....w...7.&P....
+ 2760 5d6b5aa4 e5bcd03b ce5db00d 0e5d2079 ]kZ....;.]...] y
+ 2770 7b068ef7 327f31be e830645e d99ec1fc {...2.1..0d^....
+ 2780 d3db7c26 d56eb886 40ed968f 3e8f48c4 ..|&.n..@...>.H.
+ 2790 f5b6a875 02ad5903 668042dc e94ca941 ...u..Y.f.B..L.A
+ 27a0 0c373e28 90088bcf 9f01d481 7be97b8d .7>(........{.{.
+ 27b0 2a5aea7b 47cb6a4a b96c00d2 ac2a9a08 *Z.{G.jJ.l...*..
+ 27c0 6d02f93a 5fa2de14 fe341393 b4432e56 m..:_....4...C.V
+ 27d0 4b6f2d69 88613f91 d859c7c0 6380cfd3 Ko-i.a?..Y..c...
+ 27e0 b2eebb34 1ac4ed5d 21d8519d f1251d1f ...4...]!.Q..%..
+ 27f0 94836f67 cd070cd8 07b585ce 26e6fc9a ..og........&...
+ 2800 434f4445 deadbeef 00000000 00000000 CODE............
+#pass
diff --git a/ld/testsuite/ld-scripts/crc.s b/ld/testsuite/ld-scripts/crc.s
new file mode 100644
index 00000000000..704b492ae61
--- /dev/null
+++ b/ld/testsuite/ld-scripts/crc.s
@@ -0,0 +1,9 @@
+ .extern ecc_start
+ .section .text
+main:
+ .long 0x45444F43
+ .long ecc_start
+ .section .data
+ .long 0x9abcdef0
+ .section .bss
+ .long 0
diff --git a/ld/testsuite/ld-scripts/crc.t b/ld/testsuite/ld-scripts/crc.t
new file mode 100644
index 00000000000..eafc6f7a567
--- /dev/null
+++ b/ld/testsuite/ld-scripts/crc.t
@@ -0,0 +1,39 @@
+MEMORY {
+ rom : ORIGIN = 0x000000, LENGTH = 0x400000
+ ram : ORIGIN = 0x400000, LENGTH = 0x10000
+}
+
+_start = 0x000000;
+SECTIONS
+{
+ . = 0x1000 + SIZEOF_HEADERS;
+ .text ALIGN (0x100) :
+
+ {
+ FILL(0xFF)
+ QUAD(0xEFBEADDE45444F43);
+ crc64 = .;
+ CRC64 ECMA (ecc_start , ecc_end)
+ ecc_start = .;
+ QUAD(ecc_start)
+ QUAD(ecc_end);
+ QUAD(ecc_end - ecc_start);
+ QUAD(0x45444F43EFBEADDE);
+ entry = .;
+ *(.text)
+ . = ALIGN(0x100);
+ BYTE(1)
+ . = ALIGN(4096) - 8;
+ QUAD(0xEFBEADDE45444F43);
+ CRC64 TABLE
+ QUAD(0xEFBEADDE45444F43);
+ QUAD(0);
+ ecc_end = .;
+ } > rom
+
+ .data : AT (0x400000) { *(.data) } >ram /* NO default AT>rom */
+ . = ALIGN(0x20);
+ .bss : { *(.bss) } >ram /* NO default AT>rom */
+ /DISCARD/ : { *(*) }
+}
+
--
2.17.1
next prev parent reply other threads:[~2023-02-16 13:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-16 13:19 [RFC v0 0/1] " binutils
2023-02-16 13:19 ` binutils [this message]
2023-02-16 13:21 ` Ulf Samuelsson
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