Get --ftrace working on aarch64

This change implements a new approach to function call logging, that's
based on the GCC flag: -fpatchable-function-entry. Read the commentary
in build/config.mk to learn how it works.
This commit is contained in:
Justine Tunney 2023-06-05 23:35:31 -07:00
parent 5b908bc756
commit eb40cb371d
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GPG key ID: BE714B4575D6E328
934 changed files with 2259 additions and 1268 deletions

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@ -55,11 +55,11 @@ $(LIBC_TIME_A).pkg: \
$(foreach x,$(LIBC_TIME_A_DIRECTDEPS),$($(x)_A).pkg)
o/$(MODE)/libc/time/strftime.o: private \
OVERRIDE_CFLAGS += \
CFLAGS += \
-fno-jump-tables
o/$(MODE)/libc/time/localtime.o: private \
OVERRIDE_CFLAGS += \
CFLAGS += \
-fdata-sections \
-ffunction-sections
@ -67,7 +67,7 @@ o/$(MODE)/libc/time/localtime.o: private \
# we're dividing by constants
o/$(MODE)/libc/time/iso8601.o \
o/$(MODE)/libc/time/iso8601us.o: private \
OVERRIDE_CFLAGS += \
CFLAGS += \
-O3
o/$(MODE)/usr/share/zoneinfo/.zip.o: \