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* dw2gencfi.c (EH_FRAME_ALIGNMENT): Define if not defined. 

(output_cie): Don't pad.
	(output_fde): Add align argument.  Pad to align if not 0.
	(cfi_finish): Set .eh_frame alignment to EH_FRAME_ALIGNMENT.
	Pad just last FDE to EH_FRAME_ALIGNMENT.

	* gas/cfi/cfi-i386.d: Regenerated.
	* gas/cfi/cfi-common-1.d: Regenerated.
	* gas/cfi/cfi-common-2.d: Regenerated.
	* gas/cfi/cfi-common-3.d: Regenerated.
	* gas/cfi/cfi-x86_64.d: Regenerated.
	* gas/cfi/cfi-alpha-1.d: Regenerated.
	* gas/cfi/cfi-alpha-2.d: Regenerated.
	* gas/cfi/cfi-alpha-3.d: Regenerated.
This commit is contained in:
Jakub Jelinek 2003-06-18 17:58:48 +00:00
parent df9a398fe6
commit 9393cb0db9
11 changed files with 94 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gas/ChangeLog
View File

@ -1,3 +1,11 @@
2003-06-18 Jakub Jelinek <jakub@redhat.com>
* dw2gencfi.c (EH_FRAME_ALIGNMENT): Define if not defined.
(output_cie): Don't pad.
(output_fde): Add align argument. Pad to align if not 0.
(cfi_finish): Set .eh_frame alignment to EH_FRAME_ALIGNMENT.
Pad just last FDE to EH_FRAME_ALIGNMENT.
2003-06-18 Martin Schwidefsky <schwidefsky@de.ibm.com>
* config/tc-s390.c (init_default_arch): Make current_mode_mask

18
gas/dw2gencfi.c
View File

@ -41,6 +41,14 @@
# endif
#endif
#ifndef EH_FRAME_ALIGNMENT
# ifdef BFD_ASSEMBLER
# define EH_FRAME_ALIGNMENT (bfd_get_arch_size (stdoutput) == 64 ? 3 : 2)
# else
# define EH_FRAME_ALIGNMENT 2
# endif
#endif
#ifndef tc_cfi_frame_initial_instructions
# define tc_cfi_frame_initial_instructions() ((void)0)
#endif
@ -836,13 +844,12 @@ output_cie (struct cie_entry *cie)
for (i = cie->first; i != cie->last; i = i->next)
output_cfi_insn (i);
frag_align (2, 0, 0);
symbol_set_value_now (end_address);
}
static void
output_fde (struct fde_entry *fde, struct cie_entry *cie,
struct cfi_insn_data *first)
struct cfi_insn_data *first, int align)
{
symbolS *after_size_address, *end_address;
expressionS exp;
@ -874,7 +881,8 @@ output_fde (struct fde_entry *fde, struct cie_entry *cie,
for (; first; first = first->next)
output_cfi_insn (first);
frag_align (2, 0, 0);
if (align)
frag_align (align, 0, 0);
symbol_set_value_now (end_address);
}
@ -990,7 +998,7 @@ cfi_finish (void)
SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_READONLY);
#endif
subseg_set (cfi_seg, 0);
record_alignment (cfi_seg, 2);
record_alignment (cfi_seg, EH_FRAME_ALIGNMENT);
/* Make sure check_eh_frame doesn't do anything with our output. */
save_flag_traditional_format = flag_traditional_format;
@ -1002,7 +1010,7 @@ cfi_finish (void)
struct cie_entry *cie;
cie = select_cie_for_fde (fde, &first);
output_fde (fde, cie, first);
output_fde (fde, cie, first, fde->next == NULL ? EH_FRAME_ALIGNMENT : 0);
}
flag_traditional_format = save_flag_traditional_format;

11
gas/testsuite/ChangeLog
View File

@ -1,3 +1,14 @@
2003-06-18 Jakub Jelinek <jakub@redhat.com>
* gas/cfi/cfi-i386.d: Regenerated.
* gas/cfi/cfi-common-1.d: Regenerated.
* gas/cfi/cfi-common-2.d: Regenerated.
* gas/cfi/cfi-common-3.d: Regenerated.
* gas/cfi/cfi-x86_64.d: Regenerated.
* gas/cfi/cfi-alpha-1.d: Regenerated.
* gas/cfi/cfi-alpha-2.d: Regenerated.
* gas/cfi/cfi-alpha-3.d: Regenerated.
2003-06-17 Nick Clifton <nickc@redhat.com>
* gas/i386/absrel.d: Tweak patterns to work for i386-pc-cygwin

10
gas/testsuite/gas/cfi/cfi-alpha-1.d
View File

@ -2,7 +2,7 @@
#name: CFI on alpha
The section .eh_frame contains:
00000000 00000010 00000000 CIE
00000000 0000000f 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 4
@ -11,16 +11,12 @@ The section .eh_frame contains:
Augmentation data: 1b
DW_CFA_def_cfa_reg: r30
DW_CFA_nop
00000014 0000001c 00000018 FDE cie=00000000 pc=0000001c..00000050
DW_CFA_advance_loc: 24 to 00000034
00000013 00000019 00000017 FDE cie=00000000 pc=0000001b..0000004f
DW_CFA_advance_loc: 24 to 00000033
DW_CFA_def_cfa: r15 ofs 32
DW_CFA_offset: r26 at cfa-32
DW_CFA_offset: r9 at cfa-24
DW_CFA_offset: r15 at cfa-16
DW_CFA_offset: r34 at cfa-8
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop

4
gas/testsuite/gas/cfi/cfi-alpha-2.d
View File

@ -5,5 +5,5 @@
RELOCATION RECORDS FOR \[\.eh_frame\]:
OFFSET TYPE VALUE
0*000001c SREL32 \.text
0*0000030 SREL32 \.text\+0x0*0000004
0*000001b SREL32 \.text
0*000002c SREL32 \.text\+0x0*0000004

24
gas/testsuite/gas/cfi/cfi-alpha-3.d
View File

@ -2,7 +2,7 @@
#name: CFI on alpha, 3
The section .eh_frame contains:
00000000 00000010 00000000 CIE
00000000 0000000f 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 4
@ -11,22 +11,26 @@ The section .eh_frame contains:
Augmentation data: 1b
DW_CFA_def_cfa_reg: r30
DW_CFA_nop
00000014 00000024 00000018 FDE cie=00000000 pc=0000001c..0000005c
DW_CFA_advance_loc: 4 to 00000020
00000013 00000029 00000017 FDE cie=00000000 pc=0000001b..0000005b
DW_CFA_advance_loc: 4 to 0000001f
DW_CFA_def_cfa_offset: 32
DW_CFA_advance_loc: 4 to 00000024
DW_CFA_advance_loc: 4 to 00000023
DW_CFA_offset: r26 at cfa-32
DW_CFA_advance_loc: 4 to 00000028
DW_CFA_advance_loc: 4 to 00000027
DW_CFA_offset: r9 at cfa-24
DW_CFA_advance_loc: 4 to 0000002c
DW_CFA_advance_loc: 4 to 0000002b
DW_CFA_offset: r15 at cfa-16
DW_CFA_advance_loc: 4 to 00000030
DW_CFA_advance_loc: 4 to 0000002f
DW_CFA_offset: r34 at cfa-8
DW_CFA_advance_loc: 4 to 00000034
DW_CFA_advance_loc: 4 to 00000033
DW_CFA_def_cfa_reg: r15
DW_CFA_advance_loc: 36 to 00000058
DW_CFA_advance_loc: 36 to 00000057
DW_CFA_def_cfa: r30 ofs 0
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop

11
gas/testsuite/gas/cfi/cfi-common-1.d
View File

@ -2,7 +2,7 @@
#name: CFI common 1
The section .eh_frame contains:
00000000 00000010 00000000 CIE
00000000 0000000d 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: .*
@ -10,15 +10,14 @@ The section .eh_frame contains:
Return address column: .*
Augmentation data: 1b
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
00000014 00000018 00000018 FDE cie=00000000 pc=.*
00000011 0000001b 00000015 FDE cie=00000000 pc=.*
DW_CFA_advance_loc: 4 to .*
DW_CFA_def_cfa: r0 ofs 16
DW_CFA_offset: r1 at cfa-8
DW_CFA_advance_loc: 4 to .*
DW_CFA_def_cfa_offset: 32
DW_CFA_offset: r2 at cfa-24
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop

11
gas/testsuite/gas/cfi/cfi-common-2.d
View File

@ -2,7 +2,7 @@
#name: CFI common 2
The section .eh_frame contains:
00000000 00000010 00000000 CIE
00000000 0000000d 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: .*
@ -10,11 +10,8 @@ The section .eh_frame contains:
Return address column: .*
Augmentation data: 1b
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
00000014 0000001c 00000018 FDE cie=00000000 pc=.*
00000011 0000001[bf] 00000015 FDE cie=00000000 pc=.*
DW_CFA_advance_loc: 4 to .*
DW_CFA_def_cfa: r0 ofs 16
DW_CFA_advance_loc: 4 to .*
@ -25,5 +22,5 @@ The section .eh_frame contains:
DW_CFA_restore_state
DW_CFA_advance_loc: 4 to .*
DW_CFA_def_cfa_offset: 0
DW_CFA_nop
# 64-bit arches will have here 4 times DW_CFA_nop
#...

13
gas/testsuite/gas/cfi/cfi-common-3.d
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@ -1,8 +1,8 @@
#readelf: -wf
#name: CFI common 2
#name: CFI common 3
The section .eh_frame contains:
00000000 00000010 00000000 CIE
00000000 0000000d 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: .*
@ -10,12 +10,11 @@ The section .eh_frame contains:
Return address column: .*
Augmentation data: 1b
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
00000014 00000010 00000018 FDE cie=00000000 pc=.*
00000011 00000013 00000015 FDE cie=00000000 pc=.*
DW_CFA_advance_loc: 4 to .*
DW_CFA_remember_state
DW_CFA_restore_state
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop

34
gas/testsuite/gas/cfi/cfi-i386.d
View File

@ -2,7 +2,7 @@
#name: CFI on i386
The section .eh_frame contains:
00000000 00000014 00000000 CIE
00000000 00000012 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 1
@ -12,37 +12,29 @@ The section .eh_frame contains:
DW_CFA_def_cfa: r4 ofs 4
DW_CFA_offset: r8 at cfa-4
DW_CFA_nop
DW_CFA_nop
00000018 00000014 0000001c FDE cie=00000000 pc=00000020..00000032
DW_CFA_advance_loc: 6 to 00000026
00000016 00000014 0000001a FDE cie=00000000 pc=0000001e..00000030
DW_CFA_advance_loc: 6 to 00000024
DW_CFA_def_cfa_offset: 4664
DW_CFA_advance_loc: 11 to 00000031
DW_CFA_advance_loc: 11 to 0000002f
DW_CFA_def_cfa_offset: 4
00000030 00000018 00000034 FDE cie=00000000 pc=0000004a..00000057
DW_CFA_advance_loc: 1 to 0000004b
0000002e 00000018 00000032 FDE cie=00000000 pc=00000048..00000055
DW_CFA_advance_loc: 1 to 00000049
DW_CFA_def_cfa_offset: 8
DW_CFA_offset: r5 at cfa-8
DW_CFA_advance_loc: 2 to 0000004d
DW_CFA_advance_loc: 2 to 0000004b
DW_CFA_def_cfa_reg: r5
DW_CFA_advance_loc: 9 to 00000056
DW_CFA_advance_loc: 9 to 00000054
DW_CFA_def_cfa_reg: r4
0000004c 00000014 00000050 FDE cie=00000000 pc=00000073..00000083
DW_CFA_advance_loc: 2 to 00000075
0000004a 00000014 0000004e FDE cie=00000000 pc=00000071..00000081
DW_CFA_advance_loc: 2 to 00000073
DW_CFA_def_cfa_reg: r3
DW_CFA_advance_loc: 13 to 00000082
DW_CFA_advance_loc: 13 to 00000080
DW_CFA_def_cfa: r4 ofs 4
00000064 00000010 00000068 FDE cie=00000000 pc=0000009b..000000a1
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
00000062 0000000d 00000066 FDE cie=00000000 pc=00000099..0000009f
00000078 00000010 0000007c FDE cie=00000000 pc=000000b5..000000c4
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
00000073 0000000d 00000077 FDE cie=00000000 pc=000000b0..000000bf

38
gas/testsuite/gas/cfi/cfi-x86_64.d
View File

@ -2,7 +2,7 @@
#name: CFI on x86-64
The section .eh_frame contains:
00000000 00000014 00000000 CIE
00000000 00000012 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 1
@ -12,40 +12,32 @@ The section .eh_frame contains:
DW_CFA_def_cfa: r7 ofs 8
DW_CFA_offset: r16 at cfa-8
DW_CFA_nop
DW_CFA_nop
00000018 00000014 0000001c FDE cie=00000000 pc=00000020..00000034
DW_CFA_advance_loc: 7 to 00000027
00000016 00000014 0000001a FDE cie=00000000 pc=0000001e..00000032
DW_CFA_advance_loc: 7 to 00000025
DW_CFA_def_cfa_offset: 4668
DW_CFA_advance_loc: 12 to 00000033
DW_CFA_advance_loc: 12 to 00000031
DW_CFA_def_cfa_offset: 8
00000030 0000001c 00000034 FDE cie=00000000 pc=00000038..00000047
DW_CFA_advance_loc: 1 to 00000039
0000002e 00000019 00000032 FDE cie=00000000 pc=00000036..00000045
DW_CFA_advance_loc: 1 to 00000037
DW_CFA_def_cfa_offset: 16
DW_CFA_offset: r6 at cfa-16
DW_CFA_advance_loc: 3 to 0000003c
DW_CFA_advance_loc: 3 to 0000003a
DW_CFA_def_cfa_reg: r6
DW_CFA_advance_loc: 10 to 00000046
DW_CFA_advance_loc: 10 to 00000044
DW_CFA_def_cfa: r7 ofs 8
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
00000050 00000014 00000054 FDE cie=00000000 pc=00000058..0000006b
DW_CFA_advance_loc: 3 to 0000005b
0000004b 00000013 0000004f FDE cie=00000000 pc=00000053..00000066
DW_CFA_advance_loc: 3 to 00000056
DW_CFA_def_cfa_reg: r12
DW_CFA_advance_loc: 15 to 0000006a
DW_CFA_advance_loc: 15 to 00000065
DW_CFA_def_cfa_reg: r7
DW_CFA_nop
00000068 00000010 0000006c FDE cie=00000000 pc=00000070..00000076
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0000007c 00000010 00000080 FDE cie=00000000 pc=00000084..00000096
00000062 0000000d 00000066 FDE cie=00000000 pc=0000006a..00000070
00000073 00000011 00000077 FDE cie=00000000 pc=0000007b..0000008d
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop