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69a284867c
The previous commit started to error-check the lookup of ctf_type_encoding for the underlying type that is internally done when carrying out a ctf_type_encoding on a slice. Unfortunately, enums have no encoding, so this has historically been returning an error (which is ignored) and then populating the cte_format with uninitialized data. Now the error is not ignored, this is returning an error, which breaks linking of CTF containing bitfields of enumerated type. CTF format v3 does not record the actual underlying type of a enum, but we can mock up something that is not *too* wrong, and that is at any rate better than uninitialized data. ld/ChangeLog 2021-03-18 Nick Alcock <nick.alcock@oracle.com> * testsuite/ld-ctf/slice.c: Check slices of enums too. * testsuite/ld-ctf/slice.d: Results adjusted. libctf/ChangeLog 2021-03-18 Nick Alcock <nick.alcock@oracle.com> * ctf-types.c (ctf_type_encoding): Support, after a fashion, for enums. * ctf-dump.c (ctf_dump_format_type): Do not report enums' degenerate encoding.
33 lines
1.2 KiB
Makefile
33 lines
1.2 KiB
Makefile
#as:
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#source: slice.c
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#objdump: --ctf=.ctf
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#ld: -shared --ctf-variables
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#name: Slice
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.*: +file format .*
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Contents of CTF section .ctf:
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Header:
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Magic number: 0xdff2
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Version: 4 \(CTF_VERSION_3\)
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#...
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Compilation unit name: .*slice.c
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#...
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Data object section: .* \(0x4 bytes\)
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Type section: .* \(0xd0 bytes\)
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String section: .*
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#...
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Data objects:
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slices -> 0x[0-9a-f]*: \(kind 6\) struct slices \(size 0x[0-9a-f]*\) \(aligned at 0x1*\)
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#...
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Types:
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#...
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0x[0-9a-f]*: \(kind 6\) struct slices \(size 0x[0-9a-f]*\) \(aligned at 0x[0-9a-f]*\)
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*\[0x0\] one: ID 0x[0-9a-f]*: \(kind 1\) int:1 \[slice 0x0:0x1\] \(format 0x1\) \(size 0x1\) \(aligned at 0x1\)
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*\[0x1\] two: ID 0x[0-9a-f]*: \(kind 1\) int:2 \[slice 0x1:0x2\] \(format 0x1\) \(size 0x1\) \(aligned at 0x1\)
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*\[0x3\] six: ID 0x[0-9a-f]*: \(kind 1\) int:6 \[slice 0x3:0x6\] \(format 0x1\) \(size 0x1\) \(aligned at 0x1\)
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*\[0x9\] ten: ID 0x[0-9a-f]*: \(kind 1\) int:10 \[slice 0x9:0xa\] \(format 0x1\) \(size 0x2\) \(aligned at 0x2\)
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*\[0x13\] bar: ID 0x[0-9a-f]*: \(kind 8\) enum foo:1 \[slice 0x13:0x1\] \(format 0x1\) \(size 0x1\) \(aligned at 0x1\)
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#...
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