On 21/03/2013 10:32, Dmitri Shubin wrote:
$ elfdump -d /opt/gcc-4.8/lib/amd64/libstdc++.so
Dynamic Section: .dynamic
index tag value
[0] NEEDED 0x26d9f libm.so.2
[1] NEEDED 0x26dbb libc.so.1
[2] NEEDED 0x26dfb libgcc_s.so.1
[3] INIT 0xd2b40
[4] FINI 0xd2b50
[5] SONAME 0x26d90 libstdc++.so.6
[6] HASH 0x1e0a0
[7] STRTAB 0x3b9d0
[8] STRSZ 0x27023
[9] SYMTAB 0x25710
[10] SYMENT 0x18
[11] CHECKSUM 0xf96f
[12] VERDEF 0x62ad8
[13] VERDEFNUM 0x1d
[14] VERNEED 0x629f8
[15] VERNEEDNUM 0x3
[16] RELACOUNT 0x230
[17] PLTRELSZ 0x3d68
[18] PLTREL 0x7
[19] JMPREL 0x74830
[20] RELA 0x64c60
[21] RELASZ 0x13938
[22] RELAENT 0x18
[23] FLAGS 0 0
[24] FLAGS_1 0 0
[25] SUNW_STRPAD 0x200
[26] SUNW_LDMACH 0x3e EM_AMD64
[27] PLTGOT 0x10b710
[28-38] NULL 0
I.e. no LAZY for libm.so.1 and libgcc_s.so.1 and no RPATH/RUNPATH set.
On my self build 4.7.2 I do:
$ elfdump -d /opt/XXXX/lib/amd64/libstdc++.so
Dynamic Section: .dynamic
index tag value
[0] POSFLAG_1 0x1 [ LAZY ]
[1] NEEDED 0x26bb7 libm.so.2
[2] NEEDED 0x26bca libc.so.1
[3] POSFLAG_1 0x1 [ LAZY ]
[4] NEEDED 0x26c13 libgcc_s.so.1
[5] INIT 0xdd600
[6] FINI 0xdd610
[7] SONAME 0x26ba8 libstdc++.so.6
[8] RUNPATH 0x26c3b /opt/XXXX/$ISALIST
[9] RPATH 0x26c3b /opt/XXXX/$ISALIST
[10] HASH 0x21170
[11] STRTAB 0x3e878
[12] STRSZ 0x26e4e
[13] SYMTAB 0x28738
[14] SYMENT 0x18
[15] CHECKSUM 0x2251
[16] VERDEF 0x65798
[17] VERDEFNUM 0x1b
[18] VERNEED 0x656c8
[19] VERNEEDNUM 0x3
[20] RELACOUNT 0x23c
[21] PLTRELSZ 0x4038
[22] PLTREL 0x7
[23] JMPREL 0x77578
[24] RELA 0x678b8
[25] RELASZ 0x13cf8
[26] RELAENT 0x18
[27] SYMINFO 0x1d690
[28] SYMINSZ 0x3ae0
[29] SYMINENT 0x4
[30] FLAGS 0 0
[31] FLAGS_1 0 0
[32] SUNW_STRPAD 0x200
[33] SUNW_LDMACH 0x3e EM_AMD64
[34] PLTGOT 0x118c70
[35-45] NULL 0
...but of course that runpath is invalid.
James.
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