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old-cross-binutils/ld/testsuite/ld-mips-elf/eh-frame1-n64.d
Alan Modra c2aaac080c Discard zero address range eh_frame FDEs 
These are useless because they can't match any address.  In fact,
worse than useless because the .eh_frame_hdr lookup table matching
addresses to FDEs does not contain information about the FDE range.
The table is sorted by address;  Range is inferred by the address
delta from one entry to the next.  So if a zero address range FDE is
followed by a normal non-zero range FDE for the same address,
everything is good.  However, the qsort could just as easily sort the
FDEs in the other order, in which case the normal FDE would
effectively be seen to have a zero range.

bfd/
	PR 17447
	* elf-bfd.h (struct eh_cie_fde): Comment re NULL u.fde.cie_inf.
	* elf-eh-frame.c (_bfd_elf_parse_eh_frame): Mark zero address
	range FDEs for discarding.
	(vma_compare): Sort on range after address.
	(_bfd_elf_gc_mark_fdes): Test for NULL u.fde.cie_inf.
	(_bfd_elf_discard_section_eh_frame): Likewise.  Write "FDE" in
	error message rather than "fde".
	(_bfd_elf_write_section_eh_frame_hdr): Write "PC" and "FDE" in
	error message.
ld/testsuite/
	* ld-elf/eh1.s: Don't create FDEs with zero address ranges.
	* ld-elf/eh3.s: Likewise.
	* ld-elf/eh1.d, * ld-elf/eh2.d, * ld-elf/eh3.d: Adjust.
	* ld-mips-elf/eh-frame1-n32.d: Warning match update.
	* ld-mips-elf/eh-frame1-n64.d: Likewise.
	* ld-mips-elf/eh-frame2-n32.d: Likewise.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
2014-10-04 22:49:32 +09:30

338 lines
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#name: MIPS eh-frame 1, n64
#source: eh-frame1.s
#source: eh-frame1.s
#as: -march=from-abi -EB -64 --defsym alignment=3 --defsym fill=0x40
#readelf: --relocs -wf
#ld: -shared -melf64btsmip -Teh-frame1.ld
#warning: FDE encoding in.*prevents \.eh_frame_hdr table being created.
Relocation section '\.rel\.dyn' .*:
*Offset .*
0+00+000 [0-9a-f]+ R_MIPS_NONE *
*Type2: R_MIPS_NONE *
*Type3: R_MIPS_NONE *
# Initial PCs for the FDEs attached to CIE 0x120
0+00030148 [0-9a-f]+ R_MIPS_REL32 *
*Type2: R_MIPS_64 *
*Type3: R_MIPS_NONE *
0+00030168 [0-9a-f]+ R_MIPS_REL32 *
*Type2: R_MIPS_64 *
*Type3: R_MIPS_NONE *
0+00030308 [0-9a-f]+ R_MIPS_REL32 *
*Type2: R_MIPS_64 *
*Type3: R_MIPS_NONE *
0+00030328 [0-9a-f]+ R_MIPS_REL32 *
*Type2: R_MIPS_64 *
*Type3: R_MIPS_NONE *
0+000300cb [0-9a-f]+ R_MIPS_REL32 0+00+00+00 foo
*Type2: R_MIPS_64 *
*Type3: R_MIPS_NONE *
0+00030138 [0-9a-f]+ R_MIPS_REL32 0+00+00+00 foo
*Type2: R_MIPS_64 *
*Type3: R_MIPS_NONE *
0+00030192 [0-9a-f]+ R_MIPS_REL32 0+00+00+00 foo
*Type2: R_MIPS_64 *
*Type3: R_MIPS_NONE *
Contents of the \.eh_frame section:
0+0000 0+0014 0+0000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 1c
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+0018 0+001c 0+001c FDE cie=0+0000 pc=0+020000..0+020010
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+0038 0+001c 0+003c FDE cie=0+0000 pc=0+020010..0+020030
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
# basic2 removed
0+0058 0+001c 0+005c FDE cie=0+0000 pc=0+020030..0+020060
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
# basic3 removed
0+0078 0+001c 0+007c FDE cie=0+0000 pc=0+020060..0+0200a0
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
# basic4 removed
0+0098 0+001c 0+009c FDE cie=0+0000 pc=0+0200a0..0+0200f0
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+00b8 0+0024 0+0000 CIE
Version: 1
Augmentation: "zRP"
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 1c 00 00 00 00 00 00 00 00 00
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+00e0 0+001c 0+002c FDE cie=0+00b8 pc=0+0200f0..0+020100
DW_CFA_advance_loc: 0 to 0+0200f0
DW_CFA_advance_loc: 0 to 0+0200f0
DW_CFA_advance_loc: 0 to 0+0200f0
DW_CFA_advance_loc: 0 to 0+0200f0
DW_CFA_advance_loc: 0 to 0+0200f0
DW_CFA_advance_loc: 0 to 0+0200f0
DW_CFA_advance_loc: 0 to 0+0200f0
0+0100 0+001c 0+004c FDE cie=0+00b8 pc=0+020100..0+020120
DW_CFA_advance_loc: 0 to 0+020100
DW_CFA_advance_loc: 0 to 0+020100
DW_CFA_advance_loc: 0 to 0+020100
DW_CFA_advance_loc: 0 to 0+020100
DW_CFA_advance_loc: 0 to 0+020100
DW_CFA_advance_loc: 0 to 0+020100
DW_CFA_advance_loc: 0 to 0+020100
0+0120 0+001c 0+0000 CIE
Version: 1
Augmentation: "zP"
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0+0140 0+001c 0+0024 FDE cie=0+0120 pc=0+020120..0+020130
DW_CFA_advance_loc: 0 to 0+020120
DW_CFA_advance_loc: 0 to 0+020120
DW_CFA_advance_loc: 0 to 0+020120
DW_CFA_advance_loc: 0 to 0+020120
DW_CFA_advance_loc: 0 to 0+020120
DW_CFA_advance_loc: 0 to 0+020120
DW_CFA_advance_loc: 0 to 0+020120
0+0160 0+001c 0+0044 FDE cie=0+0120 pc=0+020130..0+020150
DW_CFA_advance_loc: 0 to 0+020130
DW_CFA_advance_loc: 0 to 0+020130
DW_CFA_advance_loc: 0 to 0+020130
DW_CFA_advance_loc: 0 to 0+020130
DW_CFA_advance_loc: 0 to 0+020130
DW_CFA_advance_loc: 0 to 0+020130
DW_CFA_advance_loc: 0 to 0+020130
0+0180 0+001c 0+0000 CIE
Version: 1
Augmentation: "zPR"
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 00 00 00 00 00 00 00 00 00 1c
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
DW_CFA_advance_loc: 0 to 0+0000
0+01a0 0+001c 0+0024 FDE cie=0+0180 pc=0+020150..0+020160
DW_CFA_advance_loc: 0 to 0+020150
DW_CFA_advance_loc: 0 to 0+020150
DW_CFA_advance_loc: 0 to 0+020150
DW_CFA_advance_loc: 0 to 0+020150
DW_CFA_advance_loc: 0 to 0+020150
DW_CFA_advance_loc: 0 to 0+020150
DW_CFA_advance_loc: 0 to 0+020150
# FDE for .discard removed
# zPR2 removed
0+01c0 0+001c 0+0044 FDE cie=0+0180 pc=0+020160..0+020190
DW_CFA_advance_loc: 0 to 0+020160
DW_CFA_advance_loc: 0 to 0+020160
DW_CFA_advance_loc: 0 to 0+020160
DW_CFA_advance_loc: 0 to 0+020160
DW_CFA_advance_loc: 0 to 0+020160
DW_CFA_advance_loc: 0 to 0+020160
DW_CFA_advance_loc: 0 to 0+020160
0+01e0 0+001c 0+0064 FDE cie=0+0180 pc=0+020190..0+0201d0
DW_CFA_advance_loc: 0 to 0+020190
DW_CFA_advance_loc: 0 to 0+020190
DW_CFA_advance_loc: 0 to 0+020190
DW_CFA_advance_loc: 0 to 0+020190
DW_CFA_advance_loc: 0 to 0+020190
DW_CFA_advance_loc: 0 to 0+020190
DW_CFA_advance_loc: 0 to 0+020190
0+0200 0+001c 0+0204 FDE cie=0+0000 pc=0+0201d0..0+0201e0
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
# basic1 removed, followed by repeat of above
0+0220 0+001c 0+0224 FDE cie=0+0000 pc=0+0201e0..0+0201f0
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+0240 0+001c 0+0244 FDE cie=0+0000 pc=0+0201f0..0+020210
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+0260 0+001c 0+0264 FDE cie=0+0000 pc=0+020210..0+020240
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+0280 0+001c 0+0284 FDE cie=0+0000 pc=0+020240..0+020280
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+02a0 0+001c 0+02a4 FDE cie=0+0000 pc=0+020280..0+0202d0
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
0+02c0 0+001c 0+020c FDE cie=0+00b8 pc=0+0202d0..0+0202e0
DW_CFA_advance_loc: 0 to 0+0202d0
DW_CFA_advance_loc: 0 to 0+0202d0
DW_CFA_advance_loc: 0 to 0+0202d0
DW_CFA_advance_loc: 0 to 0+0202d0
DW_CFA_advance_loc: 0 to 0+0202d0
DW_CFA_advance_loc: 0 to 0+0202d0
DW_CFA_advance_loc: 0 to 0+0202d0
0+02e0 0+001c 0+022c FDE cie=0+00b8 pc=0+0202e0..0+020300
DW_CFA_advance_loc: 0 to 0+0202e0
DW_CFA_advance_loc: 0 to 0+0202e0
DW_CFA_advance_loc: 0 to 0+0202e0
DW_CFA_advance_loc: 0 to 0+0202e0
DW_CFA_advance_loc: 0 to 0+0202e0
DW_CFA_advance_loc: 0 to 0+0202e0
DW_CFA_advance_loc: 0 to 0+0202e0
0+0300 0+001c 0+01e4 FDE cie=0+0120 pc=0+020300..0+020310
DW_CFA_advance_loc: 0 to 0+020300
DW_CFA_advance_loc: 0 to 0+020300
DW_CFA_advance_loc: 0 to 0+020300
DW_CFA_advance_loc: 0 to 0+020300
DW_CFA_advance_loc: 0 to 0+020300
DW_CFA_advance_loc: 0 to 0+020300
DW_CFA_advance_loc: 0 to 0+020300
0+0320 0+001c 0+0204 FDE cie=0+0120 pc=0+020310..0+020330
DW_CFA_advance_loc: 0 to 0+020310
DW_CFA_advance_loc: 0 to 0+020310
DW_CFA_advance_loc: 0 to 0+020310
DW_CFA_advance_loc: 0 to 0+020310
DW_CFA_advance_loc: 0 to 0+020310
DW_CFA_advance_loc: 0 to 0+020310
DW_CFA_advance_loc: 0 to 0+020310
0+0340 0+001c 0+01c4 FDE cie=0+0180 pc=0+020330..0+020340
DW_CFA_advance_loc: 0 to 0+020330
DW_CFA_advance_loc: 0 to 0+020330
DW_CFA_advance_loc: 0 to 0+020330
DW_CFA_advance_loc: 0 to 0+020330
DW_CFA_advance_loc: 0 to 0+020330
DW_CFA_advance_loc: 0 to 0+020330
DW_CFA_advance_loc: 0 to 0+020330
0+0360 0+001c 0+01e4 FDE cie=0+0180 pc=0+020340..0+020370
DW_CFA_advance_loc: 0 to 0+020340
DW_CFA_advance_loc: 0 to 0+020340
DW_CFA_advance_loc: 0 to 0+020340
DW_CFA_advance_loc: 0 to 0+020340
DW_CFA_advance_loc: 0 to 0+020340
DW_CFA_advance_loc: 0 to 0+020340
DW_CFA_advance_loc: 0 to 0+020340
0+0380 0+001c 0+0204 FDE cie=0+0180 pc=0+020370..0+0203b0
DW_CFA_advance_loc: 0 to 0+020370
DW_CFA_advance_loc: 0 to 0+020370
DW_CFA_advance_loc: 0 to 0+020370
DW_CFA_advance_loc: 0 to 0+020370
DW_CFA_advance_loc: 0 to 0+020370
DW_CFA_advance_loc: 0 to 0+020370
DW_CFA_advance_loc: 0 to 0+020370
0+03a0 0+001c 0+03a4 FDE cie=0+0000 pc=0+0203b0..0+0203c0
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
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