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ANDROID: gki_config: use DWARFv5 rather than DWARFv4

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DWARFv5 is the latest iteration of the debug info spec; it contains many
encoding tricks to optimize for space.

For example, with this patch applied (DWARFv5), for
build.config.gki.aarch64:
$ du -h out/android-mainline/dist/vmlinux
304M	out/android-mainline/dist/vmlinux

Before (DWARFv4):
du -h out/android-mainline/dist/vmlinux
339M	out/android-mainline/dist/vmlinux

Bug: 192694378
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: I6644482d9b12eb3e0d1d3676c53ee2eee97a6573
This commit is contained in:
Nick Desaulniers
2023-03-29 14:52:15 -07:00
committed by Giuliano Procida
parent ec61e5e121
commit ad2bd67e07
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/configs/gki_defconfig
View File

@@ -696,7 +696,7 @@ CONFIG_PRINTK_TIME=y
CONFIG_PRINTK_CALLER=y
CONFIG_DYNAMIC_DEBUG_CORE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF4=y
CONFIG_DEBUG_INFO_DWARF5=y
CONFIG_DEBUG_INFO_BTF=y
CONFIG_MODULE_ALLOW_BTF_MISMATCH=y
CONFIG_HEADERS_INSTALL=y

2
arch/x86/configs/gki_defconfig
View File

@@ -642,7 +642,7 @@ CONFIG_STACK_HASH_ORDER=12
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG_CORE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF4=y
CONFIG_DEBUG_INFO_DWARF5=y
CONFIG_DEBUG_INFO_BTF=y
CONFIG_MODULE_ALLOW_BTF_MISMATCH=y
CONFIG_HEADERS_INSTALL=y