From 71362237ae6ffb0f5522b80b592da5f53249e649 Mon Sep 17 00:00:00 2001 From: baizg1107 Date: Tue, 19 Apr 2022 17:48:54 +0800 Subject: [PATCH] add loongarch support --- add-loongarch64-support.patch | 1021 +++++++++++++++++++++++++++++++++ libffi.spec | 8 +- 2 files changed, 1027 insertions(+), 2 deletions(-) create mode 100644 add-loongarch64-support.patch diff --git a/add-loongarch64-support.patch b/add-loongarch64-support.patch new file mode 100644 index 0000000..e2eebf1 --- /dev/null +++ b/add-loongarch64-support.patch @@ -0,0 +1,1021 @@ +From bd1aa6c52aa7753a502c191dcb9f941351c6dcc2 Mon Sep 17 00:00:00 2001 +From: baizg1107 +Date: Tue, 19 Apr 2022 17:41:00 +0800 +Subject: [PATCH] add loongarch support + +--- + Makefile.am | 4 +- + Makefile.in | 26 +- + configure.host | 4 + + src/loongarch/ffi.c | 490 ++++++++++++++++++++++++++++++++++++++ + src/loongarch/ffitarget.h | 68 ++++++ + src/loongarch/sysv.S | 288 ++++++++++++++++++++++ + 6 files changed, 878 insertions(+), 2 deletions(-) + create mode 100644 src/loongarch/ffi.c + create mode 100644 src/loongarch/ffitarget.h + create mode 100644 src/loongarch/sysv.S + +diff --git a/Makefile.am b/Makefile.am +index 1b18198..754b41a 100644 +--- a/Makefile.am ++++ b/Makefile.am +@@ -51,6 +51,7 @@ noinst_HEADERS = src/aarch64/ffitarget.h src/aarch64/internal.h \ + src/avr32/ffitarget.h src/bfin/ffitarget.h \ + src/cris/ffitarget.h src/csky/ffitarget.h src/frv/ffitarget.h \ + src/ia64/ffitarget.h src/ia64/ia64_flags.h \ ++ src/loongarch/ffitarget.h \ + src/m32r/ffitarget.h src/m68k/ffitarget.h \ + src/m88k/ffitarget.h src/metag/ffitarget.h \ + src/microblaze/ffitarget.h src/mips/ffitarget.h \ +@@ -72,7 +73,8 @@ EXTRA_libffi_la_SOURCES = src/aarch64/ffi.c src/aarch64/sysv.S \ + src/avr32/ffi.c src/avr32/sysv.S src/bfin/ffi.c \ + src/bfin/sysv.S src/cris/ffi.c src/cris/sysv.S src/frv/ffi.c \ + src/csky/ffi.c src/csky/sysv.S src/frv/eabi.S src/ia64/ffi.c \ +- src/ia64/unix.S src/m32r/ffi.c src/m32r/sysv.S src/m68k/ffi.c \ ++ src/ia64/unix.S src/loongarch/ffi.c src/loongarch/sysv.S \ ++ src/m32r/ffi.c src/m32r/sysv.S src/m68k/ffi.c \ + src/m68k/sysv.S src/m88k/ffi.c src/m88k/obsd.S \ + src/metag/ffi.c src/metag/sysv.S src/microblaze/ffi.c \ + src/microblaze/sysv.S src/mips/ffi.c src/mips/o32.S \ +diff --git a/Makefile.in b/Makefile.in +index a4b67a7..739e066 100644 +--- a/Makefile.in ++++ b/Makefile.in +@@ -212,6 +212,7 @@ am__depfiles_remade = src/$(DEPDIR)/closures.Plo \ + src/frv/$(DEPDIR)/eabi.Plo src/frv/$(DEPDIR)/ffi.Plo \ + src/ia64/$(DEPDIR)/ffi.Plo src/ia64/$(DEPDIR)/unix.Plo \ + src/kvx/$(DEPDIR)/ffi.Plo src/kvx/$(DEPDIR)/sysv.Plo \ ++ src/loongarch/$(DEPDIR)/ffi.Plo src/loongarch/$(DEPDIR)/sysv.Plo \ + src/m32r/$(DEPDIR)/ffi.Plo src/m32r/$(DEPDIR)/sysv.Plo \ + src/m68k/$(DEPDIR)/ffi.Plo src/m68k/$(DEPDIR)/sysv.Plo \ + src/m88k/$(DEPDIR)/ffi.Plo src/m88k/$(DEPDIR)/obsd.Plo \ +@@ -552,6 +553,7 @@ noinst_HEADERS = src/aarch64/ffitarget.h src/aarch64/internal.h \ + src/avr32/ffitarget.h src/bfin/ffitarget.h \ + src/cris/ffitarget.h src/csky/ffitarget.h src/frv/ffitarget.h \ + src/ia64/ffitarget.h src/ia64/ia64_flags.h \ ++ src/loongarch/ffitarget.h \ + src/m32r/ffitarget.h src/m68k/ffitarget.h \ + src/m88k/ffitarget.h src/metag/ffitarget.h \ + src/microblaze/ffitarget.h src/mips/ffitarget.h \ +@@ -573,7 +575,8 @@ EXTRA_libffi_la_SOURCES = src/aarch64/ffi.c src/aarch64/sysv.S \ + src/avr32/ffi.c src/avr32/sysv.S src/bfin/ffi.c \ + src/bfin/sysv.S src/cris/ffi.c src/cris/sysv.S src/frv/ffi.c \ + src/csky/ffi.c src/csky/sysv.S src/frv/eabi.S src/ia64/ffi.c \ +- src/ia64/unix.S src/m32r/ffi.c src/m32r/sysv.S src/m68k/ffi.c \ ++ src/ia64/unix.S src/loongarch/ffi.c src/loongarch/sysv.S \ ++ src/m32r/ffi.c src/m32r/sysv.S src/m68k/ffi.c \ + src/m68k/sysv.S src/m88k/ffi.c src/m88k/obsd.S \ + src/metag/ffi.c src/metag/sysv.S src/microblaze/ffi.c \ + src/microblaze/sysv.S src/mips/ffi.c src/mips/o32.S \ +@@ -833,6 +836,16 @@ src/ia64/ffi.lo: src/ia64/$(am__dirstamp) \ + src/ia64/$(DEPDIR)/$(am__dirstamp) + src/ia64/unix.lo: src/ia64/$(am__dirstamp) \ + src/ia64/$(DEPDIR)/$(am__dirstamp) ++src/loongarch/$(am__dirstamp): ++ @$(MKDIR_P) src/loongarch ++ @: > src/loongarch/$(am__dirstamp) ++src/loongarch/$(DEPDIR)/$(am__dirstamp): ++ @$(MKDIR_P) src/loongarch/$(DEPDIR) ++ @: > src/loongarch/$(DEPDIR)/$(am__dirstamp) ++src/loongarch/ffi.lo: src/loongarch/$(am__dirstamp) \ ++ src/loongarch/$(DEPDIR)/$(am__dirstamp) ++src/loongarch/sysv.lo: src/loongarch/$(am__dirstamp) \ ++ src/loongarch/$(DEPDIR)/$(am__dirstamp) + src/m32r/$(am__dirstamp): + @$(MKDIR_P) src/m32r + @: > src/m32r/$(am__dirstamp) +@@ -1114,6 +1127,8 @@ mostlyclean-compile: + -rm -f src/ia64/*.lo + -rm -f src/kvx/*.$(OBJEXT) + -rm -f src/kvx/*.lo ++ -rm -f src/loongarch/*.$(OBJEXT) ++ -rm -f src/loongarch/*.lo + -rm -f src/m32r/*.$(OBJEXT) + -rm -f src/m32r/*.lo + -rm -f src/m68k/*.$(OBJEXT) +@@ -1189,6 +1204,8 @@ distclean-compile: + @AMDEP_TRUE@@am__include@ @am__quote@src/ia64/$(DEPDIR)/unix.Plo@am__quote@ # am--include-marker + @AMDEP_TRUE@@am__include@ @am__quote@src/kvx/$(DEPDIR)/ffi.Plo@am__quote@ # am--include-marker + @AMDEP_TRUE@@am__include@ @am__quote@src/kvx/$(DEPDIR)/sysv.Plo@am__quote@ # am--include-marker ++@AMDEP_TRUE@@am__include@ @am__quote@src/loongarch/$(DEPDIR)/ffi.Plo@am__quote@ # am--include-marker ++@AMDEP_TRUE@@am__include@ @am__quote@src/loongarch/$(DEPDIR)/sysv.Plo@am__quote@ # am--include-marker + @AMDEP_TRUE@@am__include@ @am__quote@src/m32r/$(DEPDIR)/ffi.Plo@am__quote@ # am--include-marker + @AMDEP_TRUE@@am__include@ @am__quote@src/m32r/$(DEPDIR)/sysv.Plo@am__quote@ # am--include-marker + @AMDEP_TRUE@@am__include@ @am__quote@src/m68k/$(DEPDIR)/ffi.Plo@am__quote@ # am--include-marker +@@ -1321,6 +1338,7 @@ clean-libtool: + -rm -rf src/frv/.libs src/frv/_libs + -rm -rf src/ia64/.libs src/ia64/_libs + -rm -rf src/kvx/.libs src/kvx/_libs ++ -rm -rf src/loongarch/.libs src/loongarch/_libs + -rm -rf src/m32r/.libs src/m32r/_libs + -rm -rf src/m68k/.libs src/m68k/_libs + -rm -rf src/m88k/.libs src/m88k/_libs +@@ -1730,6 +1748,8 @@ distclean-generic: + -rm -f src/ia64/$(am__dirstamp) + -rm -f src/kvx/$(DEPDIR)/$(am__dirstamp) + -rm -f src/kvx/$(am__dirstamp) ++ -rm -f src/loongarch/$(DEPDIR)/$(am__dirstamp) ++ -rm -f src/loongarch/$(am__dirstamp) + -rm -f src/m32r/$(DEPDIR)/$(am__dirstamp) + -rm -f src/m32r/$(am__dirstamp) + -rm -f src/m68k/$(DEPDIR)/$(am__dirstamp) +@@ -1813,6 +1833,8 @@ distclean: distclean-recursive + -rm -f src/ia64/$(DEPDIR)/unix.Plo + -rm -f src/kvx/$(DEPDIR)/ffi.Plo + -rm -f src/kvx/$(DEPDIR)/sysv.Plo ++ -rm -f src/loongarch/$(DEPDIR)/ffi.Plo ++ -rm -f src/loongarch/$(DEPDIR)/sysv.Plo + -rm -f src/m32r/$(DEPDIR)/ffi.Plo + -rm -f src/m32r/$(DEPDIR)/sysv.Plo + -rm -f src/m68k/$(DEPDIR)/ffi.Plo +@@ -1951,6 +1973,8 @@ maintainer-clean: maintainer-clean-recursive + -rm -f src/ia64/$(DEPDIR)/unix.Plo + -rm -f src/kvx/$(DEPDIR)/ffi.Plo + -rm -f src/kvx/$(DEPDIR)/sysv.Plo ++ -rm -f src/loongarch/$(DEPDIR)/ffi.Plo ++ -rm -f src/loongarch/$(DEPDIR)/sysv.Plo + -rm -f src/m32r/$(DEPDIR)/ffi.Plo + -rm -f src/m32r/$(DEPDIR)/sysv.Plo + -rm -f src/m68k/$(DEPDIR)/ffi.Plo +diff --git a/configure.host b/configure.host +index 2682671..ff3fb6e 100644 +--- a/configure.host ++++ b/configure.host +@@ -139,6 +139,10 @@ case "${host}" in + TARGET=KVX; TARGETDIR=kvx + SOURCES="ffi.c sysv.S" + ;; ++ loongarch64-*-*) ++ TARGET=LOONGARCH; TARGETDIR=loongarch ++ SOURCES="ffi.c sysv.S" ++ ;; + + m32r*-*-*) + TARGET=M32R; TARGETDIR=m32r +diff --git a/src/loongarch/ffi.c b/src/loongarch/ffi.c +new file mode 100644 +index 0000000..4d12477 +--- /dev/null ++++ b/src/loongarch/ffi.c +@@ -0,0 +1,490 @@ ++/* ----------------------------------------------------------------------- ++ ffi.c - Copyright (c) 2015 Michael Knyszek ++ 2015 Andrew Waterman ++ 2018 Stef O'Rear ++ Based on MIPS N32/64 port ++ ++ LOONGARCH Foreign Function Interface ++ ++ Permission is hereby granted, free of charge, to any person obtaining ++ a copy of this software and associated documentation files (the ++ ``Software''), to deal in the Software without restriction, including ++ without limitation the rights to use, copy, modify, merge, publish, ++ distribute, sublicense, and/or sell copies of the Software, and to ++ permit persons to whom the Software is furnished to do so, subject to ++ the following conditions: ++ ++ The above copyright notice and this permission notice shall be included ++ in all copies or substantial portions of the Software. ++ ++ THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, ++ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT ++ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, ++ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ++ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER ++ DEALINGS IN THE SOFTWARE. ++ ----------------------------------------------------------------------- */ ++ ++#include ++#include ++ ++#include ++#include ++ ++#define ABI_FLEN 64 ++#define ABI_FLOAT double ++ ++#define NARGREG 8 ++#define STKALIGN 16 ++#define MAXCOPYARG (2 * sizeof(double)) ++ ++typedef struct call_context ++{ ++ ABI_FLOAT fa[8]; ++ size_t a[8]; ++ /* used by the assembly code to in-place construct its own stack frame */ ++ char frame[16]; ++} call_context; ++ ++typedef struct call_builder ++{ ++ call_context *aregs; ++ int used_integer; ++ int used_float; ++ size_t *used_stack; ++} call_builder; ++ ++/* integer (not pointer) less than ABI XLEN */ ++/* FFI_TYPE_INT does not appear to be used */ ++#if __SIZEOF_POINTER__ == 8 ++#define IS_INT(type) ((type) >= FFI_TYPE_UINT8 && (type) <= FFI_TYPE_SINT64) ++#else ++#define IS_INT(type) ((type) >= FFI_TYPE_UINT8 && (type) <= FFI_TYPE_SINT32) ++#endif ++ ++#if ABI_FLEN ++typedef struct { ++ char as_elements, type1, offset2, type2; ++} float_struct_info; ++ ++#if ABI_FLEN >= 64 ++#define IS_FLOAT(type) ((type) >= FFI_TYPE_FLOAT && (type) <= FFI_TYPE_DOUBLE) ++#else ++#define IS_FLOAT(type) ((type) == FFI_TYPE_FLOAT) ++#endif ++ ++static ffi_type **flatten_struct(ffi_type *in, ffi_type **out, ffi_type **out_end) { ++ int i; ++ if (out == out_end) return out; ++ if (in->type != FFI_TYPE_STRUCT) { ++ *(out++) = in; ++ } else { ++ for (i = 0; in->elements[i]; i++) ++ out = flatten_struct(in->elements[i], out, out_end); ++ } ++ return out; ++} ++ ++/* Structs with at most two fields after flattening, one of which is of ++ floating point type, are passed in multiple registers if sufficient ++ registers are available. */ ++static float_struct_info struct_passed_as_elements(call_builder *cb, ffi_type *top) { ++ float_struct_info ret = {0, 0, 0, 0}; ++ ffi_type *fields[3]; ++ int num_floats, num_ints; ++ int num_fields = flatten_struct(top, fields, fields + 3) - fields; ++ ++ if (num_fields == 1) { ++ if (IS_FLOAT(fields[0]->type)) { ++ ret.as_elements = 1; ++ ret.type1 = fields[0]->type; ++ } ++ } else if (num_fields == 2) { ++ num_floats = IS_FLOAT(fields[0]->type) + IS_FLOAT(fields[1]->type); ++ num_ints = IS_INT(fields[0]->type) + IS_INT(fields[1]->type); ++ if (num_floats == 0 || num_floats + num_ints != 2) ++ return ret; ++ if (cb->used_float + num_floats > NARGREG || cb->used_integer + (2 - num_floats) > NARGREG) ++ return ret; ++ if (!IS_FLOAT(fields[0]->type) && !IS_FLOAT(fields[1]->type)) ++ return ret; ++ ++ ret.type1 = fields[0]->type; ++ ret.type2 = fields[1]->type; ++ ret.offset2 = FFI_ALIGN(fields[0]->size, fields[1]->alignment); ++ ret.as_elements = 1; ++ } ++ ++ return ret; ++} ++#endif ++ ++/* allocates a single register, float register, or XLEN-sized stack slot to a datum */ ++static void marshal_atom(call_builder *cb, int type, void *data) { ++ size_t value = 0; ++ switch (type) { ++ case FFI_TYPE_UINT8: value = *(uint8_t *)data; break; ++ case FFI_TYPE_SINT8: value = *(int8_t *)data; break; ++ case FFI_TYPE_UINT16: value = *(uint16_t *)data; break; ++ case FFI_TYPE_SINT16: value = *(int16_t *)data; break; ++ /* 32-bit quantities are always sign-extended in the ABI */ ++ case FFI_TYPE_UINT32: value = *(int32_t *)data; break; ++ case FFI_TYPE_SINT32: value = *(int32_t *)data; break; ++#if __SIZEOF_POINTER__ == 8 ++ case FFI_TYPE_UINT64: value = *(uint64_t *)data; break; ++ case FFI_TYPE_SINT64: value = *(int64_t *)data; break; ++#endif ++ case FFI_TYPE_POINTER: value = *(size_t *)data; break; ++ ++ /* float values may be recoded in an implementation-defined way ++ by hardware conforming to 2.1 or earlier, so use asm to ++ reinterpret floats as doubles */ ++#if ABI_FLEN >= 32 ++ case FFI_TYPE_FLOAT: ++ asm("" : "=f"(cb->aregs->fa[cb->used_float++]) : "0"(*(float *)data)); ++ return; ++#endif ++#if ABI_FLEN >= 64 ++ case FFI_TYPE_DOUBLE: ++ asm("" : "=f"(cb->aregs->fa[cb->used_float++]) : "0"(*(double *)data)); ++ return; ++#endif ++ default: FFI_ASSERT(0); break; ++ } ++ ++ if (cb->used_integer == NARGREG) { ++ *cb->used_stack++ = value; ++ } else { ++ cb->aregs->a[cb->used_integer++] = value; ++ } ++} ++ ++static void unmarshal_atom(call_builder *cb, int type, void *data) { ++ size_t value; ++ switch (type) { ++#if ABI_FLEN >= 32 ++ case FFI_TYPE_FLOAT: ++ asm("" : "=f"(*(float *)data) : "0"(cb->aregs->fa[cb->used_float++])); ++ return; ++#endif ++#if ABI_FLEN >= 64 ++ case FFI_TYPE_DOUBLE: ++ asm("" : "=f"(*(double *)data) : "0"(cb->aregs->fa[cb->used_float++])); ++ return; ++#endif ++ } ++ ++ if (cb->used_integer == NARGREG) { ++ value = *cb->used_stack++; ++ } else { ++ value = cb->aregs->a[cb->used_integer++]; ++ } ++ ++ switch (type) { ++ case FFI_TYPE_UINT8: *(uint8_t *)data = value; break; ++ case FFI_TYPE_SINT8: *(uint8_t *)data = value; break; ++ case FFI_TYPE_UINT16: *(uint16_t *)data = value; break; ++ case FFI_TYPE_SINT16: *(uint16_t *)data = value; break; ++ case FFI_TYPE_UINT32: *(uint32_t *)data = value; break; ++ case FFI_TYPE_SINT32: *(uint32_t *)data = value; break; ++#if __SIZEOF_POINTER__ == 8 ++ case FFI_TYPE_UINT64: *(uint64_t *)data = value; break; ++ case FFI_TYPE_SINT64: *(uint64_t *)data = value; break; ++#endif ++ case FFI_TYPE_POINTER: *(size_t *)data = value; break; ++ default: FFI_ASSERT(0); break; ++ } ++} ++ ++/* adds an argument to a call, or a not by reference return value */ ++static void marshal(call_builder *cb, ffi_type *type, int var, void *data) { ++ size_t realign[2]; ++ ++#if ABI_FLEN ++ if (!var && type->type == FFI_TYPE_STRUCT) { ++ float_struct_info fsi = struct_passed_as_elements(cb, type); ++ if (fsi.as_elements) { ++ marshal_atom(cb, fsi.type1, data); ++ if (fsi.offset2) ++ marshal_atom(cb, fsi.type2, ((char*)data) + fsi.offset2); ++ return; ++ } ++ } ++ ++ if (!var && cb->used_float < NARGREG && IS_FLOAT(type->type)) { ++ marshal_atom(cb, type->type, data); ++ return; ++ } ++ ++ double promoted; ++ if (var && type->type == FFI_TYPE_FLOAT) ++ { ++ /* C standard requires promoting float -> double for variable arg */ ++ promoted = *(float *)data; ++ type = &ffi_type_double; ++ data = &promoted; ++ } ++#endif ++ ++ if (type->size > 2 * __SIZEOF_POINTER__) { ++ /* pass by reference */ ++ marshal_atom(cb, FFI_TYPE_POINTER, &data); ++ } else if (IS_INT(type->type) || type->type == FFI_TYPE_POINTER) { ++ marshal_atom(cb, type->type, data); ++ } else { ++ /* overlong integers, soft-float floats, and structs without special ++ float handling are treated identically from this point on */ ++ ++ /* variadics are aligned even in registers */ ++ if (type->alignment > __SIZEOF_POINTER__) { ++ if (var) ++ cb->used_integer = FFI_ALIGN(cb->used_integer, 2); ++ cb->used_stack = (size_t *)FFI_ALIGN(cb->used_stack, 2*__SIZEOF_POINTER__); ++ } ++ ++ memcpy(realign, data, type->size); ++ if (type->size > 0) ++ marshal_atom(cb, FFI_TYPE_POINTER, realign); ++ if (type->size > __SIZEOF_POINTER__) ++ marshal_atom(cb, FFI_TYPE_POINTER, realign + 1); ++ } ++} ++ ++/* for arguments passed by reference returns the pointer, otherwise the arg is copied (up to MAXCOPYARG bytes) */ ++static void *unmarshal(call_builder *cb, ffi_type *type, int var, void *data) { ++ size_t realign[2]; ++ void *pointer; ++ ++#if ABI_FLEN ++ if (!var && type->type == FFI_TYPE_STRUCT) { ++ float_struct_info fsi = struct_passed_as_elements(cb, type); ++ if (fsi.as_elements) { ++ unmarshal_atom(cb, fsi.type1, data); ++ if (fsi.offset2) ++ unmarshal_atom(cb, fsi.type2, ((char*)data) + fsi.offset2); ++ return data; ++ } ++ } ++ ++ if (!var && cb->used_float < NARGREG && IS_FLOAT(type->type)) { ++ unmarshal_atom(cb, type->type, data); ++ return data; ++ } ++ ++ if (var && type->type == FFI_TYPE_FLOAT) ++ { ++ int m = cb->used_integer; ++ void *promoted = m < NARGREG ? cb->aregs->a + m:cb->used_stack + m - NARGREG + 1; ++ *(float*)promoted = *(double *)promoted; ++ } ++#endif ++ ++ if (type->size > 2 * __SIZEOF_POINTER__) { ++ /* pass by reference */ ++ unmarshal_atom(cb, FFI_TYPE_POINTER, (char*)&pointer); ++ return pointer; ++ } else if (IS_INT(type->type) || type->type == FFI_TYPE_POINTER) { ++ unmarshal_atom(cb, type->type, data); ++ return data; ++ } else { ++ /* overlong integers, soft-float floats, and structs without special ++ float handling are treated identically from this point on */ ++ ++ /* variadics are aligned even in registers */ ++ if (type->alignment > __SIZEOF_POINTER__) { ++ if (var) ++ cb->used_integer = FFI_ALIGN(cb->used_integer, 2); ++ cb->used_stack = (size_t *)FFI_ALIGN(cb->used_stack, 2*__SIZEOF_POINTER__); ++ } ++ ++ if (type->size > 0) ++ unmarshal_atom(cb, FFI_TYPE_POINTER, realign); ++ if (type->size > __SIZEOF_POINTER__) ++ unmarshal_atom(cb, FFI_TYPE_POINTER, realign + 1); ++ memcpy(data, realign, type->size); ++ return data; ++ } ++} ++ ++static int passed_by_ref(call_builder *cb, ffi_type *type, int var) { ++#if ABI_FLEN ++ if (!var && type->type == FFI_TYPE_STRUCT) { ++ float_struct_info fsi = struct_passed_as_elements(cb, type); ++ if (fsi.as_elements) return 0; ++ } ++#endif ++ ++ return type->size > 2 * __SIZEOF_POINTER__; ++} ++ ++/* Perform machine dependent cif processing */ ++ffi_status ffi_prep_cif_machdep(ffi_cif *cif) { ++ cif->loongarch_nfixedargs = cif->nargs; ++ return FFI_OK; ++} ++ ++/* Perform machine dependent cif processing when we have a variadic function */ ++ ++ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif, unsigned int nfixedargs, unsigned int ntotalargs) { ++ cif->loongarch_nfixedargs = nfixedargs; ++ return FFI_OK; ++} ++ ++/* Low level routine for calling functions */ ++extern void ffi_call_asm (void *stack, struct call_context *regs, ++ void (*fn) (void), void *closure) FFI_HIDDEN; ++ ++static void ++ffi_call_int (ffi_cif *cif, void (*fn) (void), void *rvalue, void **avalue, ++ void *closure) ++{ ++ /* this is a conservative estimate, assuming a complex return value and ++ that all remaining arguments are long long / __int128 */ ++ size_t arg_bytes = cif->nargs <= 3 ? 0 : ++ FFI_ALIGN(2 * sizeof(size_t) * (cif->nargs - 3), STKALIGN); ++ size_t rval_bytes = 0; ++ if (rvalue == NULL && cif->rtype->size > 2*__SIZEOF_POINTER__) ++ rval_bytes = FFI_ALIGN(cif->rtype->size, STKALIGN); ++ size_t alloc_size = arg_bytes + rval_bytes + sizeof(call_context); ++ ++ /* the assembly code will deallocate all stack data at lower addresses ++ than the argument region, so we need to allocate the frame and the ++ return value after the arguments in a single allocation */ ++ size_t alloc_base; ++ /* Argument region must be 16-byte aligned */ ++ if (_Alignof(max_align_t) >= STKALIGN) { ++ /* since sizeof long double is normally 16, the compiler will ++ guarantee alloca alignment to at least that much */ ++ alloc_base = (size_t)alloca(alloc_size); ++ } else { ++ alloc_base = FFI_ALIGN(alloca(alloc_size + STKALIGN - 1), STKALIGN); ++ } ++ ++ if (rval_bytes) ++ rvalue = (void*)(alloc_base + arg_bytes); ++ ++ call_builder cb; ++ cb.used_float = cb.used_integer = 0; ++ cb.aregs = (call_context*)(alloc_base + arg_bytes + rval_bytes); ++ cb.used_stack = (void*)alloc_base; ++ ++ int return_by_ref = passed_by_ref(&cb, cif->rtype, 0); ++ if (return_by_ref) ++ marshal(&cb, &ffi_type_pointer, 0, &rvalue); ++ ++ int i; ++ for (i = 0; i < cif->nargs; i++) ++ marshal(&cb, cif->arg_types[i], i >= cif->loongarch_nfixedargs, avalue[i]); ++ ++ ffi_call_asm ((void *) alloc_base, cb.aregs, fn, closure); ++ ++ cb.used_float = cb.used_integer = 0; ++ if (!return_by_ref && rvalue) ++ unmarshal(&cb, cif->rtype, 0, rvalue); ++} ++ ++void ++ffi_call (ffi_cif *cif, void (*fn) (void), void *rvalue, void **avalue) ++{ ++ ffi_call_int(cif, fn, rvalue, avalue, NULL); ++} ++ ++void ++ffi_call_go (ffi_cif *cif, void (*fn) (void), void *rvalue, ++ void **avalue, void *closure) ++{ ++ ffi_call_int(cif, fn, rvalue, avalue, closure); ++} ++ ++extern void ffi_closure_asm(void) FFI_HIDDEN; ++ ++ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void (*fun)(ffi_cif*,void*,void**,void*), void *user_data, void *codeloc) ++{ ++ uint32_t *tramp = (uint32_t *) &closure->tramp[0]; ++ uint64_t fn = (uint64_t) (uintptr_t) ffi_closure_asm; ++ ++ if (cif->abi <= FFI_FIRST_ABI || cif->abi >= FFI_LAST_ABI) ++ return FFI_BAD_ABI; ++ ++ /* we will call ffi_closure_inner with codeloc, not closure, but as long ++ as the memory is readable it should work */ ++ ++ tramp[0] = 0x1800000c; /* pcaddi $t0, 0 (i.e. $t0 <- tramp) */ ++#ifdef _ABILP64 ++ tramp[1] = 0x28c0418d; /* ld.d $t1, $t0, 16 */ ++#elif defined _ABILPX32 ++ tramp[1] = 0x2880418d; /* ld.w $t1, $t0, 16 */ ++#endif ++ tramp[2] = 0x4c0001a0; /* jirl $zero, $t1, 0 */ ++ tramp[3] = 0x03400000; /* nop */ ++ tramp[4] = fn; ++ tramp[5] = fn >> 32; ++ ++ closure->cif = cif; ++ closure->fun = fun; ++ closure->user_data = user_data; ++ ++ __builtin___clear_cache(codeloc, codeloc + FFI_TRAMPOLINE_SIZE); ++ ++ return FFI_OK; ++} ++ ++extern void ffi_go_closure_asm (void) FFI_HIDDEN; ++ ++ffi_status ++ffi_prep_go_closure (ffi_go_closure *closure, ffi_cif *cif, ++ void (*fun) (ffi_cif *, void *, void **, void *)) ++{ ++ if (cif->abi <= FFI_FIRST_ABI || cif->abi >= FFI_LAST_ABI) ++ return FFI_BAD_ABI; ++ ++ closure->tramp = (void *) ffi_go_closure_asm; ++ closure->cif = cif; ++ closure->fun = fun; ++ ++ return FFI_OK; ++} ++ ++/* Called by the assembly code with aregs pointing to saved argument registers ++ and stack pointing to the stacked arguments. Return values passed in ++ registers will be reloaded from aregs. */ ++void FFI_HIDDEN ++ffi_closure_inner (ffi_cif *cif, ++ void (*fun) (ffi_cif *, void *, void **, void *), ++ void *user_data, ++ size_t *stack, call_context *aregs) ++{ ++ void **avalue = alloca(cif->nargs * sizeof(void*)); ++ /* storage for arguments which will be copied by unmarshal(). We could ++ theoretically avoid the copies in many cases and use at most 128 bytes ++ of memory, but allocating disjoint storage for each argument is ++ simpler. */ ++ char *astorage = alloca(cif->nargs * MAXCOPYARG); ++ void *rvalue; ++ call_builder cb; ++ int return_by_ref; ++ int i; ++ ++ cb.aregs = aregs; ++ cb.used_integer = cb.used_float = 0; ++ cb.used_stack = stack; ++ ++ return_by_ref = passed_by_ref(&cb, cif->rtype, 0); ++ if (return_by_ref) ++ unmarshal(&cb, &ffi_type_pointer, 0, &rvalue); ++ else ++ rvalue = alloca(cif->rtype->size); ++ ++ for (i = 0; i < cif->nargs; i++) ++ avalue[i] = unmarshal(&cb, cif->arg_types[i], ++ i >= cif->loongarch_nfixedargs, astorage + i*MAXCOPYARG); ++ ++ fun (cif, rvalue, avalue, user_data); ++ ++ if (!return_by_ref && cif->rtype->type != FFI_TYPE_VOID) { ++ cb.used_integer = cb.used_float = 0; ++ marshal(&cb, cif->rtype, 0, rvalue); ++ } ++} +diff --git a/src/loongarch/ffitarget.h b/src/loongarch/ffitarget.h +new file mode 100644 +index 0000000..42ebf46 +--- /dev/null ++++ b/src/loongarch/ffitarget.h +@@ -0,0 +1,68 @@ ++/* -----------------------------------------------------------------*-C-*- ++ ffitarget.h - 2014 Michael Knyszek ++ ++ Target configuration macros for LOONGARCH. ++ ++ Permission is hereby granted, free of charge, to any person obtaining ++ a copy of this software and associated documentation files (the ++ ``Software''), to deal in the Software without restriction, including ++ without limitation the rights to use, copy, modify, merge, publish, ++ distribute, sublicense, and/or sell copies of the Software, and to ++ permit persons to whom the Software is furnished to do so, subject to ++ the following conditions: ++ ++ The above copyright notice and this permission notice shall be included ++ in all copies or substantial portions of the Software. ++ ++ THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, ++ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT ++ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, ++ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ++ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER ++ DEALINGS IN THE SOFTWARE. ++ ++ ----------------------------------------------------------------------- */ ++ ++#ifndef LIBFFI_TARGET_H ++#define LIBFFI_TARGET_H ++ ++#ifndef LIBFFI_H ++#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead." ++#endif ++ ++#ifndef __loongarch__ ++#error "libffi was configured for a LOONGARCH target but this does not appear to be a LOONGARCH compiler." ++#endif ++ ++#ifndef LIBFFI_ASM ++ ++typedef unsigned long ffi_arg; ++typedef signed long ffi_sarg; ++ ++/* FFI_UNUSED_NN and loongarch_unused are to maintain ABI compatibility with a ++ distributed Berkeley patch from 2014, and can be removed at SONAME bump */ ++typedef enum ffi_abi { ++ FFI_FIRST_ABI = 0, ++ FFI_LP64, ++ FFI_UNUSED_1, ++ FFI_UNUSED_2, ++ FFI_UNUSED_3, ++ FFI_LAST_ABI, ++ ++ FFI_DEFAULT_ABI = FFI_LP64 ++} ffi_abi; ++ ++#endif /* LIBFFI_ASM */ ++ ++/* ---- Definitions for closures ----------------------------------------- */ ++ ++#define FFI_CLOSURES 1 ++#define FFI_GO_CLOSURES 1 ++#define FFI_TRAMPOLINE_SIZE 24 ++#define FFI_NATIVE_RAW_API 0 ++#define FFI_EXTRA_CIF_FIELDS unsigned loongarch_nfixedargs; unsigned loongarch_unused; ++#define FFI_TARGET_SPECIFIC_VARIADIC ++//#define FFI_TARGET_HAS_COMPLEX_TYPE 1 ++#endif +diff --git a/src/loongarch/sysv.S b/src/loongarch/sysv.S +new file mode 100644 +index 0000000..1d5bac1 +--- /dev/null ++++ b/src/loongarch/sysv.S +@@ -0,0 +1,288 @@ ++/* ----------------------------------------------------------------------- ++ ffi.c - Copyright (c) 2015 Michael Knyszek ++ 2015 Andrew Waterman ++ 2018 Stef O'Rear ++ ++ LOONGARCH Foreign Function Interface ++ ++ Permission is hereby granted, free of charge, to any person obtaining ++ a copy of this software and associated documentation files (the ++ ``Software''), to deal in the Software without restriction, including ++ without limitation the rights to use, copy, modify, merge, publish, ++ distribute, sublicense, and/or sell copies of the Software, and to ++ permit persons to whom the Software is furnished to do so, subject to ++ the following conditions: ++ ++ The above copyright notice and this permission notice shall be included ++ in all copies or substantial portions of the Software. ++ ++ THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, ++ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT ++ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, ++ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ++ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER ++ DEALINGS IN THE SOFTWARE. ++ ----------------------------------------------------------------------- */ ++ ++#define LIBFFI_ASM ++#include ++#include ++ ++/* Define aliases so that we can handle all ABIs uniformly */ ++ ++#if __SIZEOF_POINTER__ == 8 ++#define PTRS 8 ++#define LARG ld.d ++#define SARG st.d ++#else ++#define PTRS 4 ++#define LARG ld.w ++#define SARG st.w ++#endif ++ ++#ifdef __loongarch_hard_float ++# if defined __loongarch_single_float ++# define FLT float ++# define FLEN 4 ++# define FLD fld.w ++# define FST fst.w ++# error "need check" ++# else ++# define FLT double ++# define FLEN 8 ++# define FLARG fld.d ++# define FSARG fst.d ++# endif ++#else ++# define FLEN 0 ++# error "need check" ++#endif ++ ++#define FLTS 8 ++ ++ ++ .text ++ .globl ffi_call_asm ++ .type ffi_call_asm, @function ++ .hidden ffi_call_asm ++/* ++ struct call_context { ++ floatreg fa[8]; ++ intreg a[8]; ++ intreg pad[rv32 ? 2 : 0]; ++ intreg save_fp, save_ra; ++ } ++ void ffi_call_asm (size_t *stackargs, struct call_context *regargs, ++ void (*fn) (void), void *closure); ++*/ ++ ++#define FRAME_LEN (8 * FLTS + 8 * PTRS + 8 * 2) ++ ++ffi_call_asm: ++ .cfi_startproc ++ ++ /* ++ We are NOT going to set up an ordinary stack frame. In order to pass ++ the stacked args to the called function, we adjust our stack pointer to ++ a0, which is in the _caller's_ alloca area. We establish our own stack ++ frame at the end of the call_context. ++ ++ Anything below the arguments will be freed at this point, although we ++ preserve the call_context so that it can be read back in the caller. ++ */ ++ ++ .cfi_def_cfa 5, FRAME_LEN # interim CFA based on a1 ++ SARG $fp, $a1, FRAME_LEN - 2*PTRS ++ .cfi_offset 22, -2*PTRS ++ SARG $ra, $a1, FRAME_LEN - 1*PTRS ++ .cfi_offset 1, -1*PTRS ++ ++ addi.d $fp, $a1, FRAME_LEN ++ move $sp, $a0 ++ .cfi_def_cfa 22, 0 # our frame is fully set up ++ ++ # Load arguments ++ move $t1, $a2 ++ move $t2, $a3 ++ ++ FLARG $fa0, $fp, -FRAME_LEN+0*FLTS ++ FLARG $fa1, $fp, -FRAME_LEN+1*FLTS ++ FLARG $fa2, $fp, -FRAME_LEN+2*FLTS ++ FLARG $fa3, $fp, -FRAME_LEN+3*FLTS ++ FLARG $fa4, $fp, -FRAME_LEN+4*FLTS ++ FLARG $fa5, $fp, -FRAME_LEN+5*FLTS ++ FLARG $fa6, $fp, -FRAME_LEN+6*FLTS ++ FLARG $fa7, $fp, -FRAME_LEN+7*FLTS ++ ++ LARG $a0, $fp, -FRAME_LEN+8*FLTS+0*PTRS ++ LARG $a1, $fp, -FRAME_LEN+8*FLTS+1*PTRS ++ LARG $a2, $fp, -FRAME_LEN+8*FLTS+2*PTRS ++ LARG $a3, $fp, -FRAME_LEN+8*FLTS+3*PTRS ++ LARG $a4, $fp, -FRAME_LEN+8*FLTS+4*PTRS ++ LARG $a5, $fp, -FRAME_LEN+8*FLTS+5*PTRS ++ LARG $a6, $fp, -FRAME_LEN+8*FLTS+6*PTRS ++ LARG $a7, $fp, -FRAME_LEN+8*FLTS+7*PTRS ++ ++ /* Call */ ++ jirl $ra,$t1,0 ++ ++ /* Save return values - only a0/a1 (fa0/fa1) are used */ ++ FSARG $fa0, $fp, -FRAME_LEN+0*FLTS ++ FSARG $fa1, $fp, -FRAME_LEN+1*FLTS ++ ++ SARG $a0, $fp, -FRAME_LEN+8*FLTS+0*PTRS ++ SARG $a1, $fp, -FRAME_LEN+8*FLTS+1*PTRS ++ ++ /* Restore and return */ ++ addi.d $sp, $fp, -FRAME_LEN ++ .cfi_def_cfa 3, FRAME_LEN ++ LARG $ra, $fp, -1*PTRS ++ .cfi_restore 1 ++ LARG $fp, $fp, -2*PTRS ++ .cfi_restore 22 ++ jirl $r0, $ra, 0 ++ .cfi_endproc ++ .size ffi_call_asm, .-ffi_call_asm ++ ++ ++/* ++ ffi_closure_asm. Expects address of the passed-in ffi_closure in t1. ++ void ffi_closure_inner (ffi_cif *cif, ++ void (*fun) (ffi_cif *, void *, void **, void *), ++ void *user_data, ++ size_t *stackargs, struct call_context *regargs) ++*/ ++ ++ .globl ffi_closure_asm ++ .hidden ffi_closure_asm ++ .type ffi_closure_asm, @function ++ffi_closure_asm: ++ .cfi_startproc ++ ++ addi.d $sp, $sp, -FRAME_LEN ++ .cfi_def_cfa_offset FRAME_LEN ++ ++ /* make a frame */ ++ SARG $fp, $sp, FRAME_LEN - 2*PTRS ++ .cfi_offset 22, -2*PTRS ++ SARG $ra, $sp, FRAME_LEN - 1*PTRS ++ .cfi_offset 1, -1*PTRS ++ addi.d $fp, $sp, FRAME_LEN ++ ++ /* save arguments */ ++ FSARG $fa0, $sp, 0*FLTS ++ FSARG $fa1, $sp, 1*FLTS ++ FSARG $fa2, $sp, 2*FLTS ++ FSARG $fa3, $sp, 3*FLTS ++ FSARG $fa4, $sp, 4*FLTS ++ FSARG $fa5, $sp, 5*FLTS ++ FSARG $fa6, $sp, 6*FLTS ++ FSARG $fa7, $sp, 7*FLTS ++ ++ SARG $a0, $sp, 8*FLTS+0*PTRS ++ SARG $a1, $sp, 8*FLTS+1*PTRS ++ SARG $a2, $sp, 8*FLTS+2*PTRS ++ SARG $a3, $sp, 8*FLTS+3*PTRS ++ SARG $a4, $sp, 8*FLTS+4*PTRS ++ SARG $a5, $sp, 8*FLTS+5*PTRS ++ SARG $a6, $sp, 8*FLTS+6*PTRS ++ SARG $a7, $sp, 8*FLTS+7*PTRS ++ ++ /* enter C */ ++ LARG $a0, $t0, FFI_TRAMPOLINE_SIZE+0*PTRS ++ LARG $a1, $t0, FFI_TRAMPOLINE_SIZE+1*PTRS ++ LARG $a2, $t0, FFI_TRAMPOLINE_SIZE+2*PTRS ++ addi.d $a3, $sp, FRAME_LEN ++ move $a4, $sp ++ ++ bl ffi_closure_inner ++ ++ /* return values */ ++ FLARG $fa0, $sp, 0*FLTS ++ FLARG $fa1, $sp, 1*FLTS ++ ++ LARG $a0, $sp, 8*FLTS+0*PTRS ++ LARG $a1, $sp, 8*FLTS+1*PTRS ++ ++ /* restore and return */ ++ LARG $ra, $sp, FRAME_LEN-1*PTRS ++ .cfi_restore 1 ++ LARG $fp, $sp, FRAME_LEN-2*PTRS ++ .cfi_restore 22 ++ addi.d $sp, $sp, FRAME_LEN ++ .cfi_def_cfa_offset 0 ++ jirl $r0, $ra, 0 ++ .cfi_endproc ++ .size ffi_closure_asm, .-ffi_closure_asm ++ ++/* ++ ffi_go_closure_asm. Expects address of the passed-in ffi_go_closure in t2. ++ void ffi_closure_inner (ffi_cif *cif, ++ void (*fun) (ffi_cif *, void *, void **, void *), ++ void *user_data, ++ size_t *stackargs, struct call_context *regargs) ++*/ ++ ++ .globl ffi_go_closure_asm ++ .hidden ffi_go_closure_asm ++ .type ffi_go_closure_asm, @function ++ffi_go_closure_asm: ++ .cfi_startproc ++ ++ addi.d $sp, $sp, -FRAME_LEN ++ .cfi_def_cfa_offset FRAME_LEN ++ ++ /* make a frame */ ++ SARG $fp, $sp, FRAME_LEN - 2*PTRS ++ .cfi_offset 22, -2*PTRS ++ SARG $ra, $sp, FRAME_LEN - 1*PTRS ++ .cfi_offset 1, -1*PTRS ++ addi.d $fp, $sp, FRAME_LEN ++ ++ /* save arguments */ ++ FSARG $fa0, $sp, 0*FLTS ++ FSARG $fa1, $sp, 1*FLTS ++ FSARG $fa2, $sp, 2*FLTS ++ FSARG $fa3, $sp, 3*FLTS ++ FSARG $fa4, $sp, 4*FLTS ++ FSARG $fa5, $sp, 5*FLTS ++ FSARG $fa6, $sp, 6*FLTS ++ FSARG $fa7, $sp, 7*FLTS ++ ++ SARG $a0, $sp, 8*FLTS+0*PTRS ++ SARG $a1, $sp, 8*FLTS+1*PTRS ++ SARG $a2, $sp, 8*FLTS+2*PTRS ++ SARG $a3, $sp, 8*FLTS+3*PTRS ++ SARG $a4, $sp, 8*FLTS+4*PTRS ++ SARG $a5, $sp, 8*FLTS+5*PTRS ++ SARG $a6, $sp, 8*FLTS+6*PTRS ++ SARG $a7, $sp, 8*FLTS+7*PTRS ++ ++ /* enter C */ ++ LARG $a0, $t2, 1*PTRS ++ LARG $a1, $t2, 2*PTRS ++ move $a2, $t2 ++ addi.d $a3, $sp, FRAME_LEN ++ move $a4, $sp ++ ++ bl ffi_closure_inner ++ ++ /* return values */ ++ FLARG $fa0, $sp, 0*FLTS ++ FLARG $fa1, $sp, 1*FLTS ++ ++ LARG $a0, $sp, 8*FLTS+0*PTRS ++ LARG $a1, $sp, 8*FLTS+1*PTRS ++ ++ /* restore and return */ ++ LARG $ra, $sp, FRAME_LEN-1*PTRS ++ .cfi_restore 1 ++ LARG $fp, $sp, FRAME_LEN-2*PTRS ++ .cfi_restore 22 ++ addi.d $sp, $sp, FRAME_LEN ++ .cfi_def_cfa_offset 0 ++ jirl $r0, $ra, 0 ++ .cfi_endproc ++ .size ffi_go_closure_asm, .-ffi_go_closure_asm +-- +2.27.0 + diff --git a/libffi.spec b/libffi.spec index 8b4d741..d8de3e1 100644 --- a/libffi.spec +++ b/libffi.spec @@ -1,10 +1,11 @@ Name: libffi Version: 3.4.2 -Release: 2 +Release: 3 Summary: A Portable Foreign Function Interface Library License: MIT URL: http://sourceware.org/libffi Source0: https://github.com/libffi/libffi/releases/download/v%{version}/%{name}-%{version}.tar.gz +Patch0: add-loongarch64-support.patch Source1: ffi-multilib.h Source2: ffitarget-multilib.h @@ -49,7 +50,7 @@ BuildArch: noarch The help package contains man files. %prep -%autosetup -n %{name}-%{version} +%autosetup -n %{name}-%{version} -p1 %build %configure \ @@ -93,6 +94,9 @@ fi %{_infodir}/libffi.info.gz %changelog +* Tue Apr 19 2022 baizhonggui - 3.4.2-3 +- add loongarch support + * Tue Mar 15 2022 panxiaohe - 3.4.2-2 - delete useless old version dynamic library -- Gitee