dcf507a6ee
(_bfd_elf_discard_section_eh_frame): Use them to interpret the CFA instructions. If the amount of padding is known, reduce the size of the CIE or FDE by that amount.
255 lines
5.7 KiB
Makefile
255 lines
5.7 KiB
Makefile
#name: MIPS eh-frame 2, n32
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#source: eh-frame1.s
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#source: eh-frame1.s
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#as: -EB -n32 --defsym alignment=2 --defsym fill=0
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#readelf: --relocs -wf
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#ld: -shared -melf32btsmipn32 -Teh-frame1.ld
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Relocation section '\.rel\.dyn' .*:
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*Offset .*
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00000000 00000000 R_MIPS_NONE *
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# Initial PCs for the FDEs attached to CIE 0xb8
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000300d8 00000003 R_MIPS_REL32 *
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000300ec 00000003 R_MIPS_REL32 *
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# Likewise CIE 0x218
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00030238 00000003 R_MIPS_REL32 *
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0003024c 00000003 R_MIPS_REL32 *
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0003008b 00000503 R_MIPS_REL32 00000000 foo
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000300cc 00000503 R_MIPS_REL32 00000000 foo
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0003010a 00000503 R_MIPS_REL32 00000000 foo
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000301eb 00000503 R_MIPS_REL32 00000000 foo
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0003022c 00000503 R_MIPS_REL32 00000000 foo
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0003026a 00000503 R_MIPS_REL32 00000000 foo
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#...
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The section \.eh_frame contains:
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00000000 00000010 00000000 CIE
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Version: 1
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Augmentation: "zR"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 10
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000014 00000010 00000018 FDE cie=00000000 pc=00020000..00020010
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000028 00000010 0000002c FDE cie=00000000 pc=00020010..00020030
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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# basic2 removed
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0000003c 00000010 00000040 FDE cie=00000000 pc=00020030..00020060
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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# basic3 removed
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00000050 00000010 00000054 FDE cie=00000000 pc=00020060..000200a0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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# basic4 removed
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00000064 00000010 00000068 FDE cie=00000000 pc=000200a0..000200f0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000078 00000014 00000000 CIE
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Version: 1
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Augmentation: "zRP"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 10 00 00 00 00 00
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DW_CFA_nop
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00000090 00000010 0000001c FDE cie=00000078 pc=000200f0..00020100
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000000a4 00000010 00000030 FDE cie=00000078 pc=00020100..00020120
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000000b8 00000014 00000000 CIE
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Version: 1
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Augmentation: "zP"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 50 00 00 00 00 00 00 00
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000000d0 00000010 0000001c FDE cie=000000b8 pc=00020120..00020130
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000000e4 00000010 00000030 FDE cie=000000b8 pc=00020130..00020150
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000000f8 00000014 00000000 CIE
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Version: 1
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Augmentation: "zPR"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 00 00 00 00 00 10
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DW_CFA_nop
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00000110 00000010 0000001c FDE cie=000000f8 pc=00020150..00020160
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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# FDE for .discard removed
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# zPR2 removed
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00000124 00000010 00000030 FDE cie=000000f8 pc=00020160..00020190
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000138 00000010 00000044 FDE cie=000000f8 pc=00020190..000201d0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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0000014c 00000010 00000000 CIE
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Version: 1
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Augmentation: "zR"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 10
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000160 00000010 00000018 FDE cie=0000014c pc=000201d0..000201e0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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# basic1 removed, followed by repeat of above
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00000174 00000010 0000002c FDE cie=0000014c pc=000201e0..000201f0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000188 00000010 00000040 FDE cie=0000014c pc=000201f0..00020210
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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0000019c 00000010 00000054 FDE cie=0000014c pc=00020210..00020240
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000001b0 00000010 00000068 FDE cie=0000014c pc=00020240..00020280
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000001c4 00000010 0000007c FDE cie=0000014c pc=00020280..000202d0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000001d8 00000014 00000000 CIE
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Version: 1
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Augmentation: "zRP"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 10 00 00 00 00 00
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DW_CFA_nop
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000001f0 00000010 0000001c FDE cie=000001d8 pc=000202d0..000202e0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000204 00000010 00000030 FDE cie=000001d8 pc=000202e0..00020300
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000218 00000014 00000000 CIE
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Version: 1
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Augmentation: "zP"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 50 00 00 00 00 00 00 00
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00000230 00000010 0000001c FDE cie=00000218 pc=00020300..00020310
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000244 00000010 00000030 FDE cie=00000218 pc=00020310..00020330
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000258 00000014 00000000 CIE
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Version: 1
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Augmentation: "zPR"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 00 00 00 00 00 10
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DW_CFA_nop
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00000270 00000010 0000001c FDE cie=00000258 pc=00020330..00020340
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000284 00000010 00000030 FDE cie=00000258 pc=00020340..00020370
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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00000298 00000010 00000044 FDE cie=00000258 pc=00020370..000203b0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000002ac 00000010 00000000 CIE
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Version: 1
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Augmentation: "zR"
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Code alignment factor: 1
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Data alignment factor: 4
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Return address column: 31
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Augmentation data: 10
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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000002c0 00000010 00000018 FDE cie=000002ac pc=000203b0..000203c0
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DW_CFA_nop
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DW_CFA_nop
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DW_CFA_nop
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