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authorH.J. Lu <hjl.tools@gmail.com>2012-07-10 06:50:54 +0000
committerH.J. Lu <hjl.tools@gmail.com>2012-07-10 06:50:54 +0000
commit6e9904258942022fdc259efc11add9f263637335 (patch)
tree359b733c8c7c585e5bf8fd9bf612e68d5cf02415 /ld
parenta0dc025c30115826cbddeef648d3891ddb2b991f (diff)
downloadbinutils-redhat-6e9904258942022fdc259efc11add9f263637335.tar.gz
Add SORT_NONE and don't sort sort .init/.fini sections
ld/ PR ld/14156 * NEWS: Mention SORT_NONE. * ld.h (sort_type): Add by_none. * ld.texinfo: Document SORT_NONE. * ldgram.y: Handle SORT_NONE. * ldlang.c (update_wild_statements): Handle by_none. Don't sort .init/.fini sections. * ldlex.l: Add SORT_NONE. ld/testsuite/ PR ld/14156 * ld-elf/fini0.s: New file. * ld-elf/fini1.s: Likewise. * ld-elf/fini2.s: Likewise. * ld-elf/fini3.s: Likewise. * ld-elf/finin.s: Likewise. * ld-elf/foo0.s: Likewise. * ld-elf/foo1.s: Likewise. * ld-elf/foo2.s: Likewise. * ld-elf/foo3.s: Likewise. * ld-elf/foon.s: Likewise. * ld-elf/init0.s: Likewise. * ld-elf/init1.s: Likewise. * ld-elf/init2.s: Likewise. * ld-elf/init3.s: Likewise. * ld-elf/initn.s: Likewise. * ld-elf/pr14156a.d: Likewise. * ld-elf/pr14156b.d: Likewise. * ld-elf/pr14156c.d: Likewise. * ld-elf/pr14156c.t: Likewise.
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog16
-rw-r--r--ld/NEWS2
-rw-r--r--ld/ld.h2
-rw-r--r--ld/ld.texinfo4
-rw-r--r--ld/ldgram.y9
-rw-r--r--ld/ldlang.c9
-rw-r--r--ld/ldlex.l1
-rw-r--r--ld/testsuite/ChangeLog23
-rw-r--r--ld/testsuite/ld-elf/fini0.s16
-rw-r--r--ld/testsuite/ld-elf/fini1.s6
-rw-r--r--ld/testsuite/ld-elf/fini2.s6
-rw-r--r--ld/testsuite/ld-elf/fini3.s6
-rw-r--r--ld/testsuite/ld-elf/finin.s6
-rw-r--r--ld/testsuite/ld-elf/foo0.s16
-rw-r--r--ld/testsuite/ld-elf/foo1.s6
-rw-r--r--ld/testsuite/ld-elf/foo2.s6
-rw-r--r--ld/testsuite/ld-elf/foo3.s6
-rw-r--r--ld/testsuite/ld-elf/foon.s6
-rw-r--r--ld/testsuite/ld-elf/init0.s16
-rw-r--r--ld/testsuite/ld-elf/init1.s6
-rw-r--r--ld/testsuite/ld-elf/init2.s6
-rw-r--r--ld/testsuite/ld-elf/init3.s6
-rw-r--r--ld/testsuite/ld-elf/initn.s6
-rw-r--r--ld/testsuite/ld-elf/pr14156a.d15
-rw-r--r--ld/testsuite/ld-elf/pr14156b.d15
-rw-r--r--ld/testsuite/ld-elf/pr14156c.d15
-rw-r--r--ld/testsuite/ld-elf/pr14156c.t4
27 files changed, 231 insertions, 4 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 2107b2c416..7327db5770 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,19 @@
+2012-07-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/14156
+ * NEWS: Mention SORT_NONE.
+
+ * ld.h (sort_type): Add by_none.
+
+ * ld.texinfo: Document SORT_NONE.
+
+ * ldgram.y: Handle SORT_NONE.
+
+ * ldlang.c (update_wild_statements): Handle by_none. Don't
+ sort .init/.fini sections.
+
+ * ldlex.l: Add SORT_NONE.
+
2012-07-02 H.J. Lu <hongjiu.lu@intel.com>
* ld.texinfo: Replace __end_SECNAME with __stop_SECNAME.
diff --git a/ld/NEWS b/ld/NEWS
index 8701c5cd2c..06f1f777df 100644
--- a/ld/NEWS
+++ b/ld/NEWS
@@ -1,5 +1,7 @@
-*- text -*-
+* Added SORT_NONE to the linker script language to disable section sorting.
+
* Add a linker-provided symbol when producing ELF output, '__ehdr_start'
to point to the ELF file header (and nearby program headers) in the
program's memory image.
diff --git a/ld/ld.h b/ld/ld.h
index f5e031be08..b8273a42e6 100644
--- a/ld/ld.h
+++ b/ld/ld.h
@@ -87,7 +87,7 @@ typedef enum {sort_none, sort_ascending, sort_descending} sort_order;
typedef enum {
none, by_name, by_alignment, by_name_alignment, by_alignment_name,
- by_init_priority
+ by_none, by_init_priority
} sort_type;
extern sort_type sort_section;
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 732fed6841..d0a5d907bf 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -4038,6 +4038,10 @@ treated as nested sorting command.
If the section sorting command in linker script is nested, the
command line option will be ignored.
+@cindex SORT_NONE
+@code{SORT_NONE} disables section sorting by ignoring the command line
+section sorting option.
+
If you ever get confused about where input sections are going, use the
@samp{-M} linker option to generate a map file. The map file shows
precisely how input sections are mapped to output sections.
diff --git a/ld/ldgram.y b/ld/ldgram.y
index 923ac0f8f4..6e001184e0 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -129,7 +129,7 @@ static int error_index;
%token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE
%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
+%token SORT_BY_NAME SORT_BY_ALIGNMENT SORT_NONE
%token SORT_BY_INIT_PRIORITY
%token '{' '}'
%token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
@@ -467,6 +467,13 @@ wildcard_spec:
$$.exclude_name_list = NULL;
$$.section_flag_list = NULL;
}
+ | SORT_NONE '(' wildcard_name ')'
+ {
+ $$.name = $3;
+ $$.sorted = by_none;
+ $$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
+ }
| SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')'
{
$$.name = $5;
diff --git a/ld/ldlang.c b/ld/ldlang.c
index e94d2613ec..317e445cd1 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -3510,6 +3510,8 @@ update_wild_statements (lang_statement_union_type *s)
if (sort_section == by_name)
sec->spec.sorted = by_alignment_name;
break;
+ case by_none:
+ sec->spec.sorted = none;
default:
break;
}
@@ -3521,8 +3523,11 @@ update_wild_statements (lang_statement_union_type *s)
break;
case lang_output_section_statement_enum:
- update_wild_statements
- (s->output_section_statement.children.head);
+ /* Don't sort .init/.fini sections. */
+ if (strcmp (s->output_section_statement.name, ".init") != 0
+ && strcmp (s->output_section_statement.name, ".fini") != 0)
+ update_wild_statements
+ (s->output_section_statement.children.head);
break;
case lang_group_statement_enum:
diff --git a/ld/ldlex.l b/ld/ldlex.l
index 7da611fd70..c24d1ab52a 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -302,6 +302,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)*
<BOTH,SCRIPT>"SORT_BY_ALIGNMENT" { RTOKEN(SORT_BY_ALIGNMENT); }
<BOTH,SCRIPT>"SORT" { RTOKEN(SORT_BY_NAME); }
<BOTH,SCRIPT>"SORT_BY_INIT_PRIORITY" { RTOKEN(SORT_BY_INIT_PRIORITY); }
+<BOTH,SCRIPT>"SORT_NONE" { RTOKEN(SORT_NONE); }
<EXPRESSION,BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);}
<EXPRESSION,BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);}
<EXPRESSION,BOTH,SCRIPT>"COPY" { RTOKEN(COPY);}
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index f04cf04ae2..74b2913bd0 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,26 @@
+2012-07-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/14156
+ * ld-elf/fini0.s: New file.
+ * ld-elf/fini1.s: Likewise.
+ * ld-elf/fini2.s: Likewise.
+ * ld-elf/fini3.s: Likewise.
+ * ld-elf/finin.s: Likewise.
+ * ld-elf/foo0.s: Likewise.
+ * ld-elf/foo1.s: Likewise.
+ * ld-elf/foo2.s: Likewise.
+ * ld-elf/foo3.s: Likewise.
+ * ld-elf/foon.s: Likewise.
+ * ld-elf/init0.s: Likewise.
+ * ld-elf/init1.s: Likewise.
+ * ld-elf/init2.s: Likewise.
+ * ld-elf/init3.s: Likewise.
+ * ld-elf/initn.s: Likewise.
+ * ld-elf/pr14156a.d: Likewise.
+ * ld-elf/pr14156b.d: Likewise.
+ * ld-elf/pr14156c.d: Likewise.
+ * ld-elf/pr14156c.t: Likewise.
+
2012-07-09 H.J. Lu <hongjiu.lu@intel.com>
PR ld/14323
diff --git a/ld/testsuite/ld-elf/fini0.s b/ld/testsuite/ld-elf/fini0.s
new file mode 100644
index 0000000000..f2ccfb7596
--- /dev/null
+++ b/ld/testsuite/ld-elf/fini0.s
@@ -0,0 +1,16 @@
+ .text
+ .global start /* Used by SH targets. */
+start:
+ .global _start
+_start:
+ .global __start
+__start:
+ .global main /* Used by HPPA targets. */
+main:
+ .dc.a 0
+
+ .section .fini
+ .p2align 2
+.globl foo
+ .type foo,%function
+foo:
diff --git a/ld/testsuite/ld-elf/fini1.s b/ld/testsuite/ld-elf/fini1.s
new file mode 100644
index 0000000000..b65d18d9b8
--- /dev/null
+++ b/ld/testsuite/ld-elf/fini1.s
@@ -0,0 +1,6 @@
+ .section .fini
+ .p2align 2
+ .type foo1,%function
+foo1:
+ .dc.a 0x0
+ .size foo1,.-foo1
diff --git a/ld/testsuite/ld-elf/fini2.s b/ld/testsuite/ld-elf/fini2.s
new file mode 100644
index 0000000000..b8d7457c72
--- /dev/null
+++ b/ld/testsuite/ld-elf/fini2.s
@@ -0,0 +1,6 @@
+ .section .fini
+ .p2align 6
+ .type foo2,%function
+foo2:
+ .dc.a 0x0
+ .size foo2,.-foo2
diff --git a/ld/testsuite/ld-elf/fini3.s b/ld/testsuite/ld-elf/fini3.s
new file mode 100644
index 0000000000..7f797c5d90
--- /dev/null
+++ b/ld/testsuite/ld-elf/fini3.s
@@ -0,0 +1,6 @@
+ .section .fini
+ .p2align 4
+ .type foo3,%function
+foo3:
+ .dc.a 0x0
+ .size foo3,.-foo3
diff --git a/ld/testsuite/ld-elf/finin.s b/ld/testsuite/ld-elf/finin.s
new file mode 100644
index 0000000000..908508082d
--- /dev/null
+++ b/ld/testsuite/ld-elf/finin.s
@@ -0,0 +1,6 @@
+ .section .fini
+ .p2align 8
+ .type last,%function
+last:
+ .dc.a 0x0
+ .size last,.-last
diff --git a/ld/testsuite/ld-elf/foo0.s b/ld/testsuite/ld-elf/foo0.s
new file mode 100644
index 0000000000..d6fc9c3a96
--- /dev/null
+++ b/ld/testsuite/ld-elf/foo0.s
@@ -0,0 +1,16 @@
+ .text
+ .global start /* Used by SH targets. */
+start:
+ .global _start
+_start:
+ .global __start
+__start:
+ .global main /* Used by HPPA targets. */
+main:
+ .dc.a 0
+
+ .section .foo,"ax",@progbits
+ .p2align 2
+.globl foo
+ .type foo,%function
+foo:
diff --git a/ld/testsuite/ld-elf/foo1.s b/ld/testsuite/ld-elf/foo1.s
new file mode 100644
index 0000000000..4a6d4f42ea
--- /dev/null
+++ b/ld/testsuite/ld-elf/foo1.s
@@ -0,0 +1,6 @@
+ .section .foo,"ax",@progbits
+ .p2align 2
+ .type foo1,%function
+foo1:
+ .dc.a 0x0
+ .size foo1,.-foo1
diff --git a/ld/testsuite/ld-elf/foo2.s b/ld/testsuite/ld-elf/foo2.s
new file mode 100644
index 0000000000..f95a91b43c
--- /dev/null
+++ b/ld/testsuite/ld-elf/foo2.s
@@ -0,0 +1,6 @@
+ .section .foo,"ax",@progbits
+ .p2align 6
+ .type foo2,%function
+foo2:
+ .dc.a 0x0
+ .size foo2,.-foo2
diff --git a/ld/testsuite/ld-elf/foo3.s b/ld/testsuite/ld-elf/foo3.s
new file mode 100644
index 0000000000..03a32a9eeb
--- /dev/null
+++ b/ld/testsuite/ld-elf/foo3.s
@@ -0,0 +1,6 @@
+ .section .foo,"ax",@progbits
+ .p2align 4
+ .type foo3,%function
+foo3:
+ .dc.a 0x0
+ .size foo3,.-foo3
diff --git a/ld/testsuite/ld-elf/foon.s b/ld/testsuite/ld-elf/foon.s
new file mode 100644
index 0000000000..3a41ec2eac
--- /dev/null
+++ b/ld/testsuite/ld-elf/foon.s
@@ -0,0 +1,6 @@
+ .section .foo,"ax",@progbits
+ .p2align 8
+ .type last,%function
+last:
+ .dc.a 0x0
+ .size last,.-last
diff --git a/ld/testsuite/ld-elf/init0.s b/ld/testsuite/ld-elf/init0.s
new file mode 100644
index 0000000000..3c8cf8ccfd
--- /dev/null
+++ b/ld/testsuite/ld-elf/init0.s
@@ -0,0 +1,16 @@
+ .text
+ .global start /* Used by SH targets. */
+start:
+ .global _start
+_start:
+ .global __start
+__start:
+ .global main /* Used by HPPA targets. */
+main:
+ .dc.a 0
+
+ .section .init
+ .p2align 2
+.globl foo
+ .type foo,%function
+foo:
diff --git a/ld/testsuite/ld-elf/init1.s b/ld/testsuite/ld-elf/init1.s
new file mode 100644
index 0000000000..5d24ec2328
--- /dev/null
+++ b/ld/testsuite/ld-elf/init1.s
@@ -0,0 +1,6 @@
+ .section .init
+ .p2align 2
+ .type foo1,%function
+foo1:
+ .dc.a 0x0
+ .size foo1,.-foo1
diff --git a/ld/testsuite/ld-elf/init2.s b/ld/testsuite/ld-elf/init2.s
new file mode 100644
index 0000000000..2c5c353193
--- /dev/null
+++ b/ld/testsuite/ld-elf/init2.s
@@ -0,0 +1,6 @@
+ .section .init
+ .p2align 6
+ .type foo2,%function
+foo2:
+ .dc.a 0x0
+ .size foo2,.-foo2
diff --git a/ld/testsuite/ld-elf/init3.s b/ld/testsuite/ld-elf/init3.s
new file mode 100644
index 0000000000..d6639ce2d0
--- /dev/null
+++ b/ld/testsuite/ld-elf/init3.s
@@ -0,0 +1,6 @@
+ .section .init
+ .p2align 4
+ .type foo3,%function
+foo3:
+ .dc.a 0x0
+ .size foo3,.-foo3
diff --git a/ld/testsuite/ld-elf/initn.s b/ld/testsuite/ld-elf/initn.s
new file mode 100644
index 0000000000..8931e522c6
--- /dev/null
+++ b/ld/testsuite/ld-elf/initn.s
@@ -0,0 +1,6 @@
+ .section .init
+ .p2align 8
+ .type last,%function
+last:
+ .dc.a 0x0
+ .size last,.-last
diff --git a/ld/testsuite/ld-elf/pr14156a.d b/ld/testsuite/ld-elf/pr14156a.d
new file mode 100644
index 0000000000..64768575f2
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr14156a.d
@@ -0,0 +1,15 @@
+#source: init0.s
+#source: init1.s
+#source: init2.s
+#source: init3.s
+#source: initn.s
+#ld: --sort-section=alignment
+#nm: -n
+
+#...
+[0-9a-f]+ T foo
+[0-9a-f]+ t foo1
+[0-9a-f]+ t foo2
+[0-9a-f]+ t foo3
+[0-9a-f]+ t last
+#pass
diff --git a/ld/testsuite/ld-elf/pr14156b.d b/ld/testsuite/ld-elf/pr14156b.d
new file mode 100644
index 0000000000..ae9fa0513d
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr14156b.d
@@ -0,0 +1,15 @@
+#source: fini0.s
+#source: fini1.s
+#source: fini2.s
+#source: fini3.s
+#source: finin.s
+#ld: --sort-section=alignment
+#nm: -n
+
+#...
+[0-9a-f]+ T foo
+[0-9a-f]+ t foo1
+[0-9a-f]+ t foo2
+[0-9a-f]+ t foo3
+[0-9a-f]+ t last
+#pass
diff --git a/ld/testsuite/ld-elf/pr14156c.d b/ld/testsuite/ld-elf/pr14156c.d
new file mode 100644
index 0000000000..90ca40188c
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr14156c.d
@@ -0,0 +1,15 @@
+#source: foo0.s
+#source: foo1.s
+#source: foo2.s
+#source: foo3.s
+#source: foon.s
+#ld: --sort-section=alignment -T pr14156c.t
+#nm: -n
+
+#...
+[0-9a-f]+ T foo
+[0-9a-f]+ t foo1
+[0-9a-f]+ t foo2
+[0-9a-f]+ t foo3
+[0-9a-f]+ t last
+#pass
diff --git a/ld/testsuite/ld-elf/pr14156c.t b/ld/testsuite/ld-elf/pr14156c.t
new file mode 100644
index 0000000000..97ad77da77
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr14156c.t
@@ -0,0 +1,4 @@
+SECTIONS {
+ .foo : { *(SORT_NONE(.foo)) }
+ /DISCARD/ : { *(.*) }
+}