From ba52cbb9d024f2e51bd50fac36a18a15ab88344c Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Thu, 21 Sep 2017 09:54:04 +0930 Subject: 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. --- 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 + + * config/tc-ppc.h (EH_FRAME_ALIGNMENT): Define. + 2017-09-14 Alan Modra 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 + + * testsuite/ld-powerpc/tlsopt5.wf: Update for reduced alignment. + 2017-09-19 Maciej W. Rozycki * configure.tgt : 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 -- cgit v1.1