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Default to DWARF5

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gcc/ChangeLog:

	* common.opt (gdwarf-): Init(5).
	* doc/invoke.texi (-gdwarf): Document default to 5.
This commit is contained in:
Mark Wielaard 2020-09-29 15:52:44 +02:00
parent 59cf67d1cf
commit 3804e937b0
2 changed files with 5 additions and 4 deletions
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2
gcc/common.opt
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@ -3179,7 +3179,7 @@ Common Driver JoinedOrMissing Negative(gdwarf-)
Generate debug information in default version of DWARF format.
gdwarf-
Common Driver Joined UInteger Var(dwarf_version) Init(4) Negative(gstabs)
Common Driver Joined UInteger Var(dwarf_version) Init(5) Negative(gstabs)
Generate debug information in DWARF v2 (or later) format.
gdwarf32

7
gcc/doc/invoke.texi
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@ -9606,14 +9606,15 @@ possible.
@itemx -gdwarf-@var{version}
@opindex gdwarf
Produce debugging information in DWARF format (if that is supported).
The value of @var{version} may be either 2, 3, 4 or 5; the default version
for most targets is 4. DWARF Version 5 is only experimental.
The value of @var{version} may be either 2, 3, 4 or 5; the default
version for most targets is 5 (with the exception of VxWorks and
Darwin/Mac OS X which default to version 2).
Note that with DWARF Version 2, some ports require and always
use some non-conflicting DWARF 3 extensions in the unwind tables.
Version 4 may require GDB 7.0 and @option{-fvar-tracking-assignments}
for maximum benefit.
for maximum benefit. Version 5 requires GDB 8.0 or higher.
GCC no longer supports DWARF Version 1, which is substantially
different than Version 2 and later. For historical reasons, some