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libc: enable initial-exec (IE) as default thread-local storage model on arm

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As suggested by jrtc27@ in https://reviews.freebsd.org/D42415, this
patch enables IE as default thread-local storage model in libc on arm.

Reviewed by:	kib
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D42445
This commit is contained in:
R. Christian McDonald 2023-11-09 21:22:21 +01:00 committed by Kristof Provost
parent ede4c412b3
commit 6e5b1ff71e
1 changed files with 0 additions and 4 deletions
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4
lib/libc/Makefile
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@ -54,11 +54,7 @@ CFLAGS+=${CANCELPOINTS_CFLAGS}
# Use a more efficient TLS model for libc since we can reasonably assume that
# it will be loaded during program startup.
.if ${LIBC_ARCH} == "aarch64" || ${LIBC_ARCH} == "amd64" || \
${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "riscv" || \
${LIBC_ARCH:Mpowerpc*} != ""
CFLAGS+= -ftls-model=initial-exec
.endif
#
# Link with static libcompiler_rt.a.