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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2015-03-21 04:50:01 +0300
committerMichal Marek <mmarek@suse.cz>2015-06-11 16:08:32 +0300
commit50ab9a69275dca588cb5ad5038657f069bbdeb56 (patch)
treeefbc69d993a916f8a38dd8d61bcc75eca4edcc97 /scripts/kconfig/lkc_proto.h
parentcc8475305203ddfd117b81e2e732194b67d8f310 (diff)
downloadlinux-50ab9a69275dca588cb5ad5038657f069bbdeb56.tar.xz
kbuild: include core debug info when DEBUG_INFO_REDUCED
With CONFIG_DEBUG_INFO_REDUCED, we do get quite a lot of debug info (around 22.7 MB for a defconfig+DEBUG_INFO_REDUCED). However, the "basenames must match" rule used by -femit-struct-debug-baseonly option means that we miss some core data structures, such as struct {device, file, inode, mm_struct, page} etc. We can easily get these included as well, while still getting the benefits of CONFIG_DEBUG_INFO_REDUCED (faster build times and smaller individual object files): All it takes is a dummy translation unit including a few strategic headers and compiled with a flag overriding -femit-struct-debug-baseonly. This increases the size of .debug_info by ~0.3%, but these 90 KB contain some rather useful info. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'scripts/kconfig/lkc_proto.h')
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