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-rw-r--r--recipes-devtools/clang/compiler-rt/0001-support-a-new-embedded-linux-target.patch326
-rw-r--r--recipes-devtools/clang/compiler-rt_git.bb49
2 files changed, 375 insertions, 0 deletions
diff --git a/recipes-devtools/clang/compiler-rt/0001-support-a-new-embedded-linux-target.patch b/recipes-devtools/clang/compiler-rt/0001-support-a-new-embedded-linux-target.patch
new file mode 100644
index 0000000..2fbaf1c
--- /dev/null
+++ b/recipes-devtools/clang/compiler-rt/0001-support-a-new-embedded-linux-target.patch
@@ -0,0 +1,326 @@
1From 6e66e74ebe27ae6b5f072f857bab92a10c600d64 Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Sun, 19 Apr 2015 15:16:23 -0700
4Subject: [PATCH] support a new embedded linux target
5
6Signed-off-by: Khem Raj <raj.khem@gmail.com>
7---
8 lib/builtins/int_util.c | 3 +-
9 make/platform/clang_linux_embedded.mk | 286 ++++++++++++++++++++++++
10 make/platform/clang_linux_embedded_test_input.c | 0
11 3 files changed, 287 insertions(+), 2 deletions(-)
12 create mode 100644 make/platform/clang_linux_embedded.mk
13 create mode 100644 make/platform/clang_linux_embedded_test_input.c
14
15diff --git a/lib/builtins/int_util.c b/lib/builtins/int_util.c
16index 323e461..d8f775d 100644
17--- a/lib/builtins/int_util.c
18+++ b/lib/builtins/int_util.c
19@@ -48,8 +48,7 @@ void compilerrt_abort_impl(const char *file, int line, const char *function) {
20 #else
21
22 /* Get the system definition of abort() */
23-#include <stdlib.h>
24-
25+extern void abort (void) __attribute__ ((__noreturn__));
26 #ifndef _WIN32
27 __attribute__((weak))
28 __attribute__((visibility("hidden")))
29diff --git a/make/platform/clang_linux_embedded.mk b/make/platform/clang_linux_embedded.mk
30new file mode 100644
31index 0000000..d0a8900
32--- /dev/null
33+++ b/make/platform/clang_linux_embedded.mk
34@@ -0,0 +1,286 @@
35+# These are the functions which clang needs when it is targeting a previous
36+# version of the OS. The issue is that the backend may use functions which were
37+# not present in the libgcc that shipped on the platform. In such cases, we link
38+# with a version of the library which contains private_extern definitions of all
39+# the extra functions which might be referenced.
40+
41+Description := Static runtime libraries for embedded clang/Linux
42+
43+# A function that ensures we don't try to build for architectures that we
44+# don't have working toolchains for.
45+CheckArches = \
46+ $(shell \
47+ result=""; \
48+ for arch in $(1); do \
49+ if $(CC) -arch $$arch -c \
50+ -integrated-as \
51+ $(ProjSrcRoot)/make/platform/clang_linux_embedded_test_input.c \
52+ -o /dev/null > /dev/null 2> /dev/null; then \
53+ result="$$result$$arch "; \
54+ else \
55+ printf 1>&2 \
56+ "warning: clang_linux_embedded.mk: dropping arch '$$arch' from lib '$(2)'\n"; \
57+ fi; \
58+ done; \
59+ echo $$result)
60+
61+XCRun = \
62+ $(shell \
63+ result=`xcrun -find $(1) 2> /dev/null`; \
64+ if [ "$$?" != "0" ]; then result=$(1); fi; \
65+ echo $$result)
66+
67+###
68+
69+CC := $(call XCRun,clang)
70+AR := $(call XCRun,ar)
71+RANLIB := $(call XCRun,ranlib)
72+STRIP := $(call XCRun,strip)
73+LIPO := $(call XCRun,lipo)
74+DSYMUTIL := $(call XCRun,dsymutil)
75+Configs :=
76+UniversalArchs :=
77+
78+# Soft-float version of the runtime. No floating-point instructions will be used
79+# and the ABI (out of necessity) passes floating values in normal registers:
80+# non-VFP variant of the AAPCS.
81+UniversalArchs.soft_static := $(call CheckArches,arm armv7m armv7em armv7,soft_static)
82+Configs += $(if $(UniversalArchs.soft_static),soft_static)
83+
84+# Hard-float version of the runtime. On ARM VFP instructions and registers are
85+# allowed, and floating point values get passed in them. VFP variant of the
86+# AAPCS.
87+UniversalArchs.hard_static := $(call CheckArches,armv7em armv7 i386 x86_64,hard_static)
88+Configs += $(if $(UniversalArchs.hard_static),hard_static)
89+
90+UniversalArchs.soft_pic := $(call CheckArches,armv6m armv7m armv7em armv7,soft_pic)
91+Configs += $(if $(UniversalArchs.soft_pic),soft_pic)
92+
93+UniversalArchs.hard_pic := $(call CheckArches,armv7em armv7 i386 x86_64,hard_pic)
94+Configs += $(if $(UniversalArchs.hard_pic),hard_pic)
95+
96+CFLAGS := -Wall -Werror -Oz -fomit-frame-pointer -ffreestanding
97+
98+PIC_CFLAGS := -fPIC
99+STATIC_CFLAGS := -static
100+
101+CFLAGS_SOFT := -mfloat-abi=soft
102+CFLAGS_HARD := -mfloat-abi=hard
103+
104+CFLAGS_I386 := -march=pentium
105+
106+CFLAGS.soft_static := $(CFLAGS) $(STATIC_CFLAGS) $(CFLAGS_SOFT)
107+CFLAGS.hard_static := $(CFLAGS) $(STATIC_CFLAGS) $(CFLAGS_HARD)
108+CFLAGS.soft_pic := $(CFLAGS) $(PIC_CFLAGS) $(CFLAGS_SOFT)
109+CFLAGS.hard_pic := $(CFLAGS) $(PIC_CFLAGS) $(CFLAGS_HARD)
110+
111+CFLAGS.soft_static.armv7 := $(CFLAGS.soft_static) $(CFLAGS_ARMV7)
112+CFLAGS.hard_static.armv7 := $(CFLAGS.hard_static) $(CFLAGS_ARMV7)
113+CFLAGS.soft_pic.armv7 := $(CFLAGS.soft_pic) $(CFLAGS_ARMV7)
114+CFLAGS.hard_pic.armv7 := $(CFLAGS.hard_pic) $(CFLAGS_ARMV7)
115+
116+# x86 platforms ignore -mfloat-abi options and complain about doing so. Despite
117+# this they're hard-float.
118+CFLAGS.hard_static.i386 := $(CFLAGS) $(STATIC_CFLAGS) $(CFLAGS_I386)
119+CFLAGS.hard_pic.i386 := $(CFLAGS) $(PIC_CFLAGS) $(CFLAGS_I386)
120+CFLAGS.hard_static.x86_64 := $(CFLAGS) $(STATIC_CFLAGS)
121+CFLAGS.hard_pic.x86_64 := $(CFLAGS) $(PIC_CFLAGS)
122+
123+# Functions not wanted:
124+# + eprintf is obsolete anyway
125+# + *vfp: designed for Thumb1 CPUs with VFPv2
126+
127+COMMON_FUNCTIONS := \
128+ absvdi2 \
129+ absvsi2 \
130+ addvdi3 \
131+ addvsi3 \
132+ ashldi3 \
133+ ashrdi3 \
134+ bswapdi2 \
135+ bswapsi2 \
136+ clzdi2 \
137+ clzsi2 \
138+ cmpdi2 \
139+ ctzdi2 \
140+ ctzsi2 \
141+ divdc3 \
142+ divdi3 \
143+ divsc3 \
144+ divmodsi4 \
145+ udivmodsi4 \
146+ do_global_dtors \
147+ ffsdi2 \
148+ fixdfdi \
149+ fixsfdi \
150+ fixunsdfdi \
151+ fixunsdfsi \
152+ fixunssfdi \
153+ fixunssfsi \
154+ floatdidf \
155+ floatdisf \
156+ floatundidf \
157+ floatundisf \
158+ gcc_bcmp \
159+ lshrdi3 \
160+ moddi3 \
161+ muldc3 \
162+ muldi3 \
163+ mulsc3 \
164+ mulvdi3 \
165+ mulvsi3 \
166+ negdi2 \
167+ negvdi2 \
168+ negvsi2 \
169+ paritydi2 \
170+ paritysi2 \
171+ popcountdi2 \
172+ popcountsi2 \
173+ powidf2 \
174+ powisf2 \
175+ subvdi3 \
176+ subvsi3 \
177+ ucmpdi2 \
178+ udiv_w_sdiv \
179+ udivdi3 \
180+ udivmoddi4 \
181+ umoddi3 \
182+ adddf3 \
183+ addsf3 \
184+ cmpdf2 \
185+ cmpsf2 \
186+ div0 \
187+ divdf3 \
188+ divsf3 \
189+ divsi3 \
190+ extendsfdf2 \
191+ ffssi2 \
192+ fixdfsi \
193+ fixsfsi \
194+ floatsidf \
195+ floatsisf \
196+ floatunsidf \
197+ floatunsisf \
198+ comparedf2 \
199+ comparesf2 \
200+ modsi3 \
201+ muldf3 \
202+ mulsf3 \
203+ negdf2 \
204+ negsf2 \
205+ subdf3 \
206+ subsf3 \
207+ truncdfsf2 \
208+ udivsi3 \
209+ umodsi3 \
210+ unorddf2 \
211+ unordsf2
212+
213+ARM_FUNCTIONS := \
214+ aeabi_cdcmpeq \
215+ aeabi_cdrcmple \
216+ aeabi_cfcmpeq \
217+ aeabi_cfrcmple \
218+ aeabi_dcmpeq \
219+ aeabi_dcmpge \
220+ aeabi_dcmpgt \
221+ aeabi_dcmple \
222+ aeabi_dcmplt \
223+ aeabi_drsub \
224+ aeabi_fcmpeq \
225+ aeabi_fcmpge \
226+ aeabi_fcmpgt \
227+ aeabi_fcmple \
228+ aeabi_fcmplt \
229+ aeabi_frsub \
230+ aeabi_idivmod \
231+ aeabi_uidivmod \
232+
233+# ARM Assembly implementation which requires Thumb2 (i.e. won't work on v6M).
234+THUMB2_FUNCTIONS := \
235+ switch16 \
236+ switch32 \
237+ switch8 \
238+ switchu8 \
239+ sync_fetch_and_add_4 \
240+ sync_fetch_and_sub_4 \
241+ sync_fetch_and_and_4 \
242+ sync_fetch_and_or_4 \
243+ sync_fetch_and_xor_4 \
244+ sync_fetch_and_nand_4 \
245+ sync_fetch_and_max_4 \
246+ sync_fetch_and_umax_4 \
247+ sync_fetch_and_min_4 \
248+ sync_fetch_and_umin_4 \
249+ sync_fetch_and_add_8 \
250+ sync_fetch_and_sub_8 \
251+ sync_fetch_and_and_8 \
252+ sync_fetch_and_or_8 \
253+ sync_fetch_and_xor_8 \
254+ sync_fetch_and_nand_8 \
255+ sync_fetch_and_max_8 \
256+ sync_fetch_and_umax_8 \
257+ sync_fetch_and_min_8 \
258+ sync_fetch_and_umin_8
259+
260+I386_FUNCTIONS := \
261+ i686.get_pc_thunk.eax \
262+ i686.get_pc_thunk.ebp \
263+ i686.get_pc_thunk.ebx \
264+ i686.get_pc_thunk.ecx \
265+ i686.get_pc_thunk.edi \
266+ i686.get_pc_thunk.edx \
267+ i686.get_pc_thunk.esi
268+
269+# FIXME: Currently, compiler-rt is missing implementations for a number of the
270+# functions. Filter them out for now.
271+MISSING_FUNCTIONS := \
272+ cmpdf2 cmpsf2 div0 \
273+ ffssi2 \
274+ udiv_w_sdiv unorddf2 unordsf2 bswapdi2 \
275+ bswapsi2 \
276+ gcc_bcmp \
277+ do_global_dtors \
278+ i686.get_pc_thunk.eax i686.get_pc_thunk.ebp i686.get_pc_thunk.ebx \
279+ i686.get_pc_thunk.ecx i686.get_pc_thunk.edi i686.get_pc_thunk.edx \
280+ i686.get_pc_thunk.esi \
281+ aeabi_cdcmpeq aeabi_cdrcmple aeabi_cfcmpeq aeabi_cfrcmple aeabi_dcmpeq \
282+ aeabi_dcmpge aeabi_dcmpgt aeabi_dcmple aeabi_dcmplt aeabi_drsub \
283+ aeabi_fcmpeq \ aeabi_fcmpge aeabi_fcmpgt aeabi_fcmple aeabi_fcmplt \
284+ aeabi_frsub aeabi_idivmod aeabi_uidivmod
285+
286+FUNCTIONS_ARMV6M := $(COMMON_FUNCTIONS) $(ARM_FUNCTIONS)
287+FUNCTIONS_ARM_ALL := $(COMMON_FUNCTIONS) $(ARM_FUNCTIONS) $(THUMB2_FUNCTIONS)
288+FUNCTIONS_I386 := $(COMMON_FUNCTIONS) $(I386_FUNCTIONS)
289+FUNCTIONS_X86_64 := $(COMMON_FUNCTIONS)
290+
291+FUNCTIONS_ARMV6M := \
292+ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_ARMV6M))
293+FUNCTIONS_ARM_ALL := \
294+ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_ARM_ALL))
295+FUNCTIONS_I386 := \
296+ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_I386))
297+FUNCTIONS_X86_64 := \
298+ $(filter-out $(MISSING_FUNCTIONS),$(FUNCTIONS_X86_64))
299+
300+FUNCTIONS.soft_static.armv6m := $(FUNCTIONS_ARMV6M)
301+FUNCTIONS.soft_pic.armv6m := $(FUNCTIONS_ARMV6M)
302+
303+FUNCTIONS.soft_static.armv7m := $(FUNCTIONS_ARM_ALL)
304+FUNCTIONS.soft_pic.armv7m := $(FUNCTIONS_ARM_ALL)
305+
306+FUNCTIONS.soft_static.armv7em := $(FUNCTIONS_ARM_ALL)
307+FUNCTIONS.hard_static.armv7em := $(FUNCTIONS_ARM_ALL)
308+FUNCTIONS.soft_pic.armv7em := $(FUNCTIONS_ARM_ALL)
309+FUNCTIONS.hard_pic.armv7em := $(FUNCTIONS_ARM_ALL)
310+
311+FUNCTIONS.soft_static.armv7 := $(FUNCTIONS_ARM_ALL)
312+FUNCTIONS.hard_static.armv7 := $(FUNCTIONS_ARM_ALL)
313+FUNCTIONS.soft_pic.armv7 := $(FUNCTIONS_ARM_ALL)
314+FUNCTIONS.hard_pic.armv7 := $(FUNCTIONS_ARM_ALL)
315+
316+FUNCTIONS.hard_static.i386 := $(FUNCTIONS_I386)
317+FUNCTIONS.hard_pic.i386 := $(FUNCTIONS_I386)
318+
319+FUNCTIONS.hard_static.x86_64 := $(FUNCTIONS_X86_64)
320+FUNCTIONS.hard_pic.x86_64 := $(FUNCTIONS_X86_64)
321diff --git a/make/platform/clang_linux_embedded_test_input.c b/make/platform/clang_linux_embedded_test_input.c
322new file mode 100644
323index 0000000..e69de29
324--
3252.1.4
326
diff --git a/recipes-devtools/clang/compiler-rt_git.bb b/recipes-devtools/clang/compiler-rt_git.bb
new file mode 100644
index 0000000..db45bff
--- /dev/null
+++ b/recipes-devtools/clang/compiler-rt_git.bb
@@ -0,0 +1,49 @@
1# Copyright (C) 2015 Khem Raj <raj.khem@gmail.com>
2# Released under the MIT license (see COPYING.MIT for the terms)
3
4DESCRIPTION = "LLVM based C/C++ compiler Runtime"
5HOMEPAGE = "http://compiler-rt.llvm.org/"
6LICENSE = "MIT & UIUC"
7SECTION = "base"
8INHIBIT_DEFAULT_DEPS = "1"
9
10DEPENDS += "clang-cross-${TRANSLATED_TARGET_ARCH}"
11
12require clang.inc
13
14BRANCH ?= "master"
15
16LIC_FILES_CHKSUM = "file://LICENSE.TXT;md5=27b14ab4ce08d04c3a9a5f0ed7997362; \
17 "
18SRC_URI = "git://github.com/llvm-mirror/compiler-rt.git;branch=${BRANCH};name=compiler-rt \
19 file://0001-support-a-new-embedded-linux-target.patch \
20 "
21
22SRCREV_compiler-rt = "bc4648a579d99cb2a382c40a0fc9fe075da2b330"
23
24SRCREV_FORMAT = "compiler-rt"
25
26S = "${WORKDIR}/git"
27
28THUMB_TUNE_CCARGS = " -ffreestanding -nostdlib -nostdinc++ -nobuiltininc"
29
30EXTRA_OEMAKE += "REQUIRES_RTTI=1 VERBOSE=1"
31
32do_configure () {
33 :
34}
35
36do_compile () {
37 cd ${B}
38 oe_runmake VERBOSE=1 clang_linux_embedded
39}
40
41#PROVIDES_append_class-target = "\
42# virtual/${TARGET_PREFIX}compilerlibs \
43# libgcc \
44# libgcc-initial \
45# libgcc-dev \
46# libgcc-initial-dev \
47# "
48#
49BBCLASSEXTEND = "native nativesdk"
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2026-07-17 15:49:44 +0000