https://sourceware.org/bugzilla/show_bug.cgi?id=22048
--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
For my latest x86_64 glibc build, I see
readelf: Warning: Invalid CIE pointer 0x00000014 in FDE at 0x021004
readelf: Warning: Invalid length 0x0c000000 in FDE at 0x021009
readelf: Warning: Invalid CIE pointer 0x48000210 in FDE at 0x021009
A map file shows
.eh_frame 0x0000000000181398 0x21274
*(.eh_frame)
.eh_frame 0x0000000000181398 0x40
/home/alan/build/glibc/csu/abi-note.o
.eh_frame 0x00000000001813d8 0x18
/home/alan/build/glibc/csu/abi-note.o
0x30 (size before relaxing)
.eh_frame 0x00000000001813f0 0x20fa8
/home/alan/build/glibc/libc_pic.os
0x2af10 (size before relaxing)
.eh_frame 0x00000000001a2398 0x8
/home/alan/build/glibc/elf/sofini.os
*fill* 0x00000000001a23a0 0x0
.eh_frame 0x00000000001a23a0 0x18
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(_popcountsi2.o)
0x30 (size before relaxing)
.eh_frame 0x00000000001a23b8 0x60
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(addtf3.o)
0x78 (size before relaxing)
.eh_frame 0x00000000001a2418 0x50
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(divtf3.o)
0x68 (size before relaxing)
.eh_frame 0x00000000001a2468 0x50
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(multf3.o)
0x68 (size before relaxing)
.eh_frame 0x00000000001a24b8 0x60
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(subtf3.o)
0x78 (size before relaxing)
.eh_frame 0x00000000001a2518 0x28
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(unordtf2.o)
0x40 (size before relaxing)
.eh_frame 0x00000000001a2540 0x18
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(floatsitf.o)
0x30 (size before relaxing)
.eh_frame 0x00000000001a2558 0x38
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(getf2.o)
0x50 (size before relaxing)
.eh_frame 0x00000000001a2590 0x40
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(letf2.o)
0x58 (size before relaxing)
.eh_frame 0x00000000001a25d0 0x28
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(eqtf2.o)
0x40 (size before relaxing)
.eh_frame 0x00000000001a25f8 0x14
/usr/lib/gcc/x86_64-linux-gnu/4.9/libgcc.a(sfp-exceptions.o)
0x30 (size before relaxing)
*(.eh_frame.*)
So what is at offset 0x21004? /home/alan/build/glibc/elf/sofini.os by the look
of it.
readelf -wf /home/alan/build/glibc/elf/sofini.os
Contents of the .eh_frame section:
00000000 ZERO terminator
What is that zero terminator doing in the middle of glibc's .eh_frame?
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