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binutils/SOURCES/binutils-remove-empty-ISA-properties.patch

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import binutils-2.30-99.el8
2021-04-02 04:13:37 +00:00
diff -rup binutils.orig/bfd/elfxx-x86.c binutils-2.30/bfd/elfxx-x86.c
--- binutils.orig/bfd/elfxx-x86.c 2018-07-30 16:01:04.881710127 +0100
+++ binutils-2.30/bfd/elfxx-x86.c 2018-07-30 16:01:28.809447800 +0100
@@ -2320,13 +2320,34 @@ _bfd_x86_elf_merge_gnu_properties (struc
{
number = aprop->u.number;
aprop->u.number = number | bprop->u.number;
- updated = number != (unsigned int) aprop->u.number;
+ /* Remove the property if ISA bits are empty. */
+ if (aprop->u.number == 0)
+ {
+ aprop->pr_kind = property_remove;
+ updated = TRUE;
+ }
+ else
+ updated = number != (unsigned int) aprop->u.number;
}
else
{
- /* Return TRUE if APROP is NULL to indicate that BPROP should
- be added to ABFD. */
- updated = aprop == NULL;
+ /* Only one of APROP and BPROP can be NULL. */
+ if (aprop != NULL)
+ {
+ if (aprop->u.number == 0)
+ {
+ /* Remove APROP if ISA bits are empty. */
+ aprop->pr_kind = property_remove;
+ updated = TRUE;
+ }
+ }
+ else
+ {
+ /* Return TRUE if APROP is NULL and ISA bits of BPROP
+ aren't empty to indicate that BPROP should be added
+ to ABFD. */
+ updated = bprop->u.number != 0;
+ }
}
break;
diff -rup binutils.orig/ld/testsuite/ld-i386/i386.exp binutils-2.30/ld/testsuite/ld-i386/i386.exp
--- binutils.orig/ld/testsuite/ld-i386/i386.exp 2018-07-30 16:00:54.241826775 +0100
+++ binutils-2.30/ld/testsuite/ld-i386/i386.exp 2018-07-30 16:02:58.911459984 +0100
@@ -450,6 +450,8 @@ run_dump_test "pr22115-1b"
run_dump_test "pr22115-1c"
run_dump_test "pr22115-1d"
run_dump_test "pr22135"
+run_dump_test "pr23372a"
+run_dump_test "pr23372b"
if { !([istarget "i?86-*-linux*"]
|| [istarget "i?86-*-gnu*"]
diff -rup binutils.orig/ld/testsuite/ld-x86-64/x86-64.exp binutils-2.30/ld/testsuite/ld-x86-64/x86-64.exp
--- binutils.orig/ld/testsuite/ld-x86-64/x86-64.exp 2018-07-30 16:00:55.340814726 +0100
+++ binutils-2.30/ld/testsuite/ld-x86-64/x86-64.exp 2018-07-30 16:03:32.624090383 +0100
@@ -379,6 +379,10 @@ run_dump_test "pr22115-1c-x32"
run_dump_test "pr22115-1d"
run_dump_test "pr22115-1d-x32"
run_dump_test "pr22135"
+run_dump_test "pr23372a"
+run_dump_test "pr23372a-x32"
+run_dump_test "pr23372b"
+run_dump_test "pr23372b-x32"
if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
return
diff --git a/ld/testsuite/ld-i386/pr23372a.d b/ld/testsuite/ld-i386/pr23372a.d
new file mode 100644
index 0000000000..b75523bdc3
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr23372a.d
@@ -0,0 +1,5 @@
+#source: pr23372a.s
+#source: pr23372b.s
+#as: --32
+#ld: -r -m elf_i386
+#readelf: -n
diff --git a/ld/testsuite/ld-i386/pr23372a.s b/ld/testsuite/ld-i386/pr23372a.s
new file mode 100644
index 0000000000..9849d620a1
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr23372a.s
@@ -0,0 +1,18 @@
+ .section ".note.gnu.property", "a"
+ .p2align 2
+ .long 1f - 0f /* name length. */
+ .long 4f - 1f /* data length. */
+ /* NT_GNU_PROPERTY_TYPE_0 */
+ .long 5 /* note type. */
+0:
+ .asciz "GNU" /* vendor name. */
+1:
+ .p2align 2
+ /* GNU_PROPERTY_X86_ISA_1_USED */
+ .long 0xc0000000 /* pr_type. */
+ .long 3f - 2f /* pr_datasz. */
+2:
+ .long 0x0
+3:
+ .p2align 2
+4:
diff --git a/ld/testsuite/ld-i386/pr23372b.d b/ld/testsuite/ld-i386/pr23372b.d
new file mode 100644
index 0000000000..a8e9c819a4
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr23372b.d
@@ -0,0 +1,5 @@
+#source: pr23372a.s
+#source: pr23372c.s
+#as: --32
+#ld: -r -m elf_i386
+#readelf: -n
diff --git a/ld/testsuite/ld-i386/pr23372b.s b/ld/testsuite/ld-i386/pr23372b.s
new file mode 100644
index 0000000000..9849d620a1
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr23372b.s
@@ -0,0 +1,18 @@
+ .section ".note.gnu.property", "a"
+ .p2align 2
+ .long 1f - 0f /* name length. */
+ .long 4f - 1f /* data length. */
+ /* NT_GNU_PROPERTY_TYPE_0 */
+ .long 5 /* note type. */
+0:
+ .asciz "GNU" /* vendor name. */
+1:
+ .p2align 2
+ /* GNU_PROPERTY_X86_ISA_1_USED */
+ .long 0xc0000000 /* pr_type. */
+ .long 3f - 2f /* pr_datasz. */
+2:
+ .long 0x0
+3:
+ .p2align 2
+4:
diff --git a/ld/testsuite/ld-i386/pr23372c.s b/ld/testsuite/ld-i386/pr23372c.s
new file mode 100644
index 0000000000..3470dce649
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr23372c.s
@@ -0,0 +1,18 @@
+ .section ".note.gnu.property", "a"
+ .p2align 2
+ .long 1f - 0f /* name length. */
+ .long 4f - 1f /* data length. */
+ /* NT_GNU_PROPERTY_TYPE_0 */
+ .long 5 /* note type. */
+0:
+ .asciz "GNU" /* vendor name. */
+1:
+ .p2align 2
+ /* GNU_PROPERTY_X86_ISA_1_NEEDED */
+ .long 0xc0000001 /* pr_type. */
+ .long 3f - 2f /* pr_datasz. */
+2:
+ .long 0x0
+3:
+ .p2align 2
+4:
diff --git a/ld/testsuite/ld-x86-64/pr23372a-x32.d b/ld/testsuite/ld-x86-64/pr23372a-x32.d
new file mode 100644
index 0000000000..9f93642364
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr23372a-x32.d
@@ -0,0 +1,5 @@
+#source: pr23372a.s
+#source: pr23372b.s
+#as: --x32
+#ld: -r -m elf32_x86_64
+#readelf: -n
diff --git a/ld/testsuite/ld-x86-64/pr23372a.d b/ld/testsuite/ld-x86-64/pr23372a.d
new file mode 100644
index 0000000000..ee688fc2e2
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr23372a.d
@@ -0,0 +1,5 @@
+#source: pr23372a.s
+#source: pr23372b.s
+#as: --64 -defsym __64_bit__=1
+#ld: -r -m elf_x86_64
+#readelf: -n
diff --git a/ld/testsuite/ld-x86-64/pr23372a.s b/ld/testsuite/ld-x86-64/pr23372a.s
new file mode 100644
index 0000000000..639fc26de4
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr23372a.s
@@ -0,0 +1,30 @@
+ .section ".note.gnu.property", "a"
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+ .long 1f - 0f /* name length. */
+ .long 4f - 1f /* data length. */
+ /* NT_GNU_PROPERTY_TYPE_0 */
+ .long 5 /* note type. */
+0:
+ .asciz "GNU" /* vendor name. */
+1:
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+ /* GNU_PROPERTY_X86_ISA_1_USED */
+ .long 0xc0000000 /* pr_type. */
+ .long 3f - 2f /* pr_datasz. */
+2:
+ .long 0x0
+3:
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+4:
diff --git a/ld/testsuite/ld-x86-64/pr23372b-x32.d b/ld/testsuite/ld-x86-64/pr23372b-x32.d
new file mode 100644
index 0000000000..5b0cf98618
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr23372b-x32.d
@@ -0,0 +1,5 @@
+#source: pr23372a.s
+#source: pr23372c.s
+#as: --x32
+#ld: -r -m elf32_x86_64
+#readelf: -n
diff --git a/ld/testsuite/ld-x86-64/pr23372b.d b/ld/testsuite/ld-x86-64/pr23372b.d
new file mode 100644
index 0000000000..727afa8ab5
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr23372b.d
@@ -0,0 +1,5 @@
+#source: pr23372a.s
+#source: pr23372c.s
+#as: --64 -defsym __64_bit__=1
+#ld: -r -m elf_x86_64
+#readelf: -n
diff --git a/ld/testsuite/ld-x86-64/pr23372b.s b/ld/testsuite/ld-x86-64/pr23372b.s
new file mode 100644
index 0000000000..639fc26de4
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr23372b.s
@@ -0,0 +1,30 @@
+ .section ".note.gnu.property", "a"
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+ .long 1f - 0f /* name length. */
+ .long 4f - 1f /* data length. */
+ /* NT_GNU_PROPERTY_TYPE_0 */
+ .long 5 /* note type. */
+0:
+ .asciz "GNU" /* vendor name. */
+1:
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+ /* GNU_PROPERTY_X86_ISA_1_USED */
+ .long 0xc0000000 /* pr_type. */
+ .long 3f - 2f /* pr_datasz. */
+2:
+ .long 0x0
+3:
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+4:
diff --git a/ld/testsuite/ld-x86-64/pr23372c.s b/ld/testsuite/ld-x86-64/pr23372c.s
new file mode 100644
index 0000000000..b4eaf69777
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr23372c.s
@@ -0,0 +1,30 @@
+ .section ".note.gnu.property", "a"
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+ .long 1f - 0f /* name length. */
+ .long 4f - 1f /* data length. */
+ /* NT_GNU_PROPERTY_TYPE_0 */
+ .long 5 /* note type. */
+0:
+ .asciz "GNU" /* vendor name. */
+1:
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+ /* GNU_PROPERTY_X86_ISA_1_NEEDED */
+ .long 0xc0000001 /* pr_type. */
+ .long 3f - 2f /* pr_datasz. */
+2:
+ .long 0x0
+3:
+.ifdef __64_bit__
+ .p2align 3
+.else
+ .p2align 2
+.endif
+4:
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