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[binutils-gdb] Reduce excessive .eh_frame alignment for powerpc
- From: Alan Modra <amodra at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 21 Sep 2017 13:48:37 -0000
- Subject: [binutils-gdb] Reduce excessive .eh_frame alignment for powerpc
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ba52cbb9d024f2e51bd50fac36a18a15ab88344c
commit ba52cbb9d024f2e51bd50fac36a18a15ab88344c
Author: Alan Modra <amodra@gmail.com>
Date: Thu Sep 21 09:54:04 2017 +0930
Reduce excessive .eh_frame alignment for powerpc
PowerPC64 .cfi directives use DW_EH_PE_sdata4 encoding for .eh_frame,
so there is no real reason why .eh_frame should be 8 byte aligned.
gas/
* config/tc-ppc.h (EH_FRAME_ALIGNMENT): Define.
ld/
* testsuite/ld-powerpc/tlsopt5.wf: Update for reduced alignment.
Diff:
---
gas/ChangeLog | 4 ++++
gas/config/tc-ppc.h | 1 +
ld/ChangeLog | 4 ++++
ld/testsuite/ld-powerpc/tlsopt5.wf | 8 ++------
4 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 86cf17e..c5f19ff 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2017-09-21 Alan Modra <amodra@gmail.com>
+
+ * config/tc-ppc.h (EH_FRAME_ALIGNMENT): Define.
+
2017-09-14 Alan Modra <amodra@gmail.com>
PR 22127
diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h
index f71f2ea..d89bad9 100644
--- a/gas/config/tc-ppc.h
+++ b/gas/config/tc-ppc.h
@@ -325,3 +325,4 @@ extern int ppc_dwarf2_line_min_insn_length;
#define DWARF2_LINE_MIN_INSN_LENGTH ppc_dwarf2_line_min_insn_length
#define DWARF2_DEFAULT_RETURN_COLUMN 0x41
#define DWARF2_CIE_DATA_ALIGNMENT ppc_cie_data_alignment
+#define EH_FRAME_ALIGNMENT 2
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 3bfa92c..fcb3f0f 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,7 @@
+2017-09-21 Alan Modra <amodra@gmail.com>
+
+ * testsuite/ld-powerpc/tlsopt5.wf: Update for reduced alignment.
+
2017-09-19 Maciej W. Rozycki <macro@imgtec.com>
* configure.tgt <mips64el-*-openbsd*, mips64-*-openbsd*>: New
diff --git a/ld/testsuite/ld-powerpc/tlsopt5.wf b/ld/testsuite/ld-powerpc/tlsopt5.wf
index 158f650..af8cb76 100644
--- a/ld/testsuite/ld-powerpc/tlsopt5.wf
+++ b/ld/testsuite/ld-powerpc/tlsopt5.wf
@@ -16,17 +16,13 @@ Contents of the \.eh_frame section:
DW_CFA_advance_loc: 16 to .*
DW_CFA_restore_extended: r65
-0+2c 0+18 0+30 FDE cie=0+ pc=.*
+0+2c 0+14 0+30 FDE cie=0+ pc=.*
DW_CFA_advance_loc: 4 to .*
DW_CFA_register: r65 in r0
DW_CFA_advance_loc: 28 to .*
DW_CFA_restore_extended: r65
- DW_CFA_nop
- DW_CFA_nop
- DW_CFA_nop
- DW_CFA_nop
-0+48 0+10 0+4c FDE cie=0+ pc=.*
+0+44 0+10 0+48 FDE cie=0+ pc=.*
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop