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File _service:tar_scm:LoongArch-initial-ada-support-on-linux.patch of Package gcc
From 7fa71be34052de9bdd9f7bdf625ceeaabc7f16f0 Mon Sep 17 00:00:00 2001 From: Yang Yujie <yangyujie@loongson.cn> Date: Tue, 5 Sep 2023 11:50:07 +0800 Subject: [PATCH 062/124] LoongArch: initial ada support on linux gcc/ada/ChangeLog: * Makefile.rtl: Add LoongArch support. * libgnarl/s-linux__loongarch.ads: New file. * libgnat/system-linux-loongarch.ads: New file. gcc/ChangeLog: * config/loongarch/loongarch.h (CC1_SPEC): Mark normalized options passed from driver to gnat1 as explicit for multilib. Signed-off-by: Peng Fan <fanpeng@loongson.cn> Signed-off-by: ticat_fp <fanpeng@loongson.cn> --- gcc/ada/Makefile.rtl | 49 +++++++ gcc/ada/libgnarl/s-linux__loongarch.ads | 134 +++++++++++++++++++ gcc/ada/libgnat/system-linux-loongarch.ads | 145 +++++++++++++++++++++ gcc/config/loongarch/loongarch.h | 4 +- 4 files changed, 330 insertions(+), 2 deletions(-) create mode 100644 gcc/ada/libgnarl/s-linux__loongarch.ads create mode 100644 gcc/ada/libgnat/system-linux-loongarch.ads diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl index aaf853e3a..579645d95 100644 --- a/gcc/ada/Makefile.rtl +++ b/gcc/ada/Makefile.rtl @@ -2195,6 +2195,55 @@ ifeq ($(strip $(filter-out cygwin% mingw32% pe,$(target_os))),) LIBRARY_VERSION := $(LIB_VERSION) endif +# LoongArch Linux +ifeq ($(strip $(filter-out loongarch% linux%,$(target_cpu) $(target_os))),) + LIBGNAT_TARGET_PAIRS = \ + a-exetim.adb<libgnarl/a-exetim__posix.adb \ + a-exetim.ads<libgnarl/a-exetim__default.ads \ + a-intnam.ads<libgnarl/a-intnam__linux.ads \ + a-nallfl.ads<libgnat/a-nallfl__wraplf.ads \ + a-synbar.adb<libgnarl/a-synbar__posix.adb \ + a-synbar.ads<libgnarl/a-synbar__posix.ads \ + s-inmaop.adb<libgnarl/s-inmaop__posix.adb \ + s-intman.adb<libgnarl/s-intman__posix.adb \ + s-linux.ads<libgnarl/s-linux__loongarch.ads \ + s-mudido.adb<libgnarl/s-mudido__affinity.adb \ + s-osinte.ads<libgnarl/s-osinte__linux.ads \ + s-osinte.adb<libgnarl/s-osinte__posix.adb \ + s-osprim.adb<libgnat/s-osprim__posix.adb \ + s-taprop.adb<libgnarl/s-taprop__linux.adb \ + s-tasinf.ads<libgnarl/s-tasinf__linux.ads \ + s-tasinf.adb<libgnarl/s-tasinf__linux.adb \ + s-tpopsp.adb<libgnarl/s-tpopsp__tls.adb \ + s-taspri.ads<libgnarl/s-taspri__posix.ads \ + g-sercom.adb<libgnat/g-sercom__linux.adb \ + $(TRASYM_DWARF_UNIX_PAIRS) \ + $(GNATRTL_128BIT_PAIRS) \ + s-tsmona.adb<libgnat/s-tsmona__linux.adb \ + $(ATOMICS_TARGET_PAIRS) \ + $(ATOMICS_BUILTINS_TARGET_PAIRS) \ + system.ads<libgnat/system-linux-loongarch.ads + + TOOLS_TARGET_PAIRS = indepsw.adb<indepsw-gnu.adb + + EXTRA_GNATRTL_NONTASKING_OBJS += $(TRASYM_DWARF_UNIX_OBJS) + EXTRA_GNATRTL_NONTASKING_OBJS += $(GNATRTL_128BIT_OBJS) + EXTRA_GNATRTL_TASKING_OBJS = s-linux.o a-exetim.o + + EH_MECHANISM = -gcc + THREADSLIB = -lpthread + MISCLIB = -ldl + GNATLIB_SHARED = gnatlib-shared-dual + GMEM_LIB = gmemlib + LIBRARY_VERSION := $(LIB_VERSION) + # Temporarily disable strict alignment -- for some reason, it causes + # infinite loops during stack unwinding (libgcc) and indefinite hang + # in some futex system calls. + GNATLIBCFLAGS += -mno-strict-align + GNATLIBCFLAGS_FOR_C += -mno-strict-align +endif + + # Mips Linux ifeq ($(strip $(filter-out mips% linux%,$(target_cpu) $(target_os))),) LIBGNAT_TARGET_PAIRS = \ diff --git a/gcc/ada/libgnarl/s-linux__loongarch.ads b/gcc/ada/libgnarl/s-linux__loongarch.ads new file mode 100644 index 000000000..9773ec0ad --- /dev/null +++ b/gcc/ada/libgnarl/s-linux__loongarch.ads @@ -0,0 +1,134 @@ +------------------------------------------------------------------------------ +-- -- +-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- S Y S T E M . L I N U X -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2009-2023, Free Software Foundation, Inc. -- +-- -- +-- GNARL is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +------------------------------------------------------------------------------ + +-- This is the LoongArch version of this package + +-- This package encapsulates cpu specific differences between implementations +-- of GNU/Linux, in order to share s-osinte-linux.ads. + +-- PLEASE DO NOT add any with-clauses to this package or remove the pragma +-- Preelaborate. This package is designed to be a bottom-level (leaf) package + +with Interfaces.C; +with System.Parameters; + +package System.Linux is + pragma Preelaborate; + + ---------- + -- Time -- + ---------- + + subtype int is Interfaces.C.int; + subtype long is Interfaces.C.long; + subtype suseconds_t is Interfaces.C.long; + type time_t is range -2 ** (System.Parameters.time_t_bits - 1) + .. 2 ** (System.Parameters.time_t_bits - 1) - 1; + subtype clockid_t is Interfaces.C.int; + + type timespec is record + tv_sec : time_t; + tv_nsec : long; + end record; + pragma Convention (C, timespec); + + type timeval is record + tv_sec : time_t; + tv_usec : suseconds_t; + end record; + pragma Convention (C, timeval); + + ----------- + -- Errno -- + ----------- + + EAGAIN : constant := 11; + EINTR : constant := 4; + EINVAL : constant := 22; + ENOMEM : constant := 12; + EPERM : constant := 1; + ETIMEDOUT : constant := 110; + + ------------- + -- Signals -- + ------------- + + SIGHUP : constant := 1; -- hangup + SIGINT : constant := 2; -- interrupt (rubout) + SIGQUIT : constant := 3; -- quit (ASCD FS) + SIGILL : constant := 4; -- illegal instruction (not reset) + SIGTRAP : constant := 5; -- trace trap (not reset) + SIGIOT : constant := 6; -- IOT instruction + SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future + SIGBUS : constant := 7; -- bus error + SIGFPE : constant := 8; -- floating point exception + SIGKILL : constant := 9; -- kill (cannot be caught or ignored) + SIGUSR1 : constant := 10; -- user defined signal 1 + SIGSEGV : constant := 11; -- segmentation violation + SIGUSR2 : constant := 12; -- user defined signal 2 + SIGPIPE : constant := 13; -- write on a pipe with no one to read it + SIGALRM : constant := 14; -- alarm clock + SIGTERM : constant := 15; -- software termination signal from kill + SIGSTKFLT : constant := 16; -- coprocessor stack fault (Linux) + SIGCLD : constant := 17; -- alias for SIGCHLD + SIGCHLD : constant := 17; -- child status change + SIGCONT : constant := 18; -- stopped process has been continued + SIGSTOP : constant := 19; -- stop (cannot be caught or ignored) + SIGTSTP : constant := 20; -- user stop requested from tty + SIGTTIN : constant := 21; -- background tty read attempted + SIGTTOU : constant := 22; -- background tty write attempted + SIGURG : constant := 23; -- urgent condition on IO channel + SIGXCPU : constant := 24; -- CPU time limit exceeded + SIGXFSZ : constant := 25; -- filesize limit exceeded + SIGVTALRM : constant := 26; -- virtual timer expired + SIGPROF : constant := 27; -- profiling timer expired + SIGWINCH : constant := 28; -- window size change + SIGPOLL : constant := 29; -- pollable event occurred + SIGIO : constant := 29; -- I/O now possible (4.2 BSD) + SIGPWR : constant := 30; -- power-fail restart + SIGSYS : constant := 31; -- bad system call + SIG32 : constant := 32; -- glibc internal signal + SIG33 : constant := 33; -- glibc internal signal + SIG34 : constant := 34; -- glibc internal signal + + -- These don't exist for Linux/LoongArch. The constants are present + -- so that we can continue to use a-intnam-linux.ads. + SIGLOST : constant := 0; -- File lock lost + SIGUNUSED : constant := 0; -- unused signal (GNU/Linux) + SIGEMT : constant := 0; -- EMT + + -- struct_sigaction offsets + + sa_handler_pos : constant := 0; + sa_mask_pos : constant := Standard'Address_Size / 8; + sa_flags_pos : constant := 128 + sa_mask_pos; + + SA_SIGINFO : constant := 16#04#; + SA_ONSTACK : constant := 16#08000000#; + +end System.Linux; diff --git a/gcc/ada/libgnat/system-linux-loongarch.ads b/gcc/ada/libgnat/system-linux-loongarch.ads new file mode 100644 index 000000000..735f67041 --- /dev/null +++ b/gcc/ada/libgnat/system-linux-loongarch.ads @@ -0,0 +1,145 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M -- +-- -- +-- S p e c -- +-- (GNU-Linux/LoongArch Version) -- +-- -- +-- Copyright (C) 1992-2023, Free Software Foundation, Inc. -- +-- -- +-- This specification is derived from the Ada Reference Manual for use with -- +-- GNAT. The copyright notice above, and the license provisions that follow -- +-- apply solely to the contents of the part following the private keyword. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package System is + pragma Pure; + -- Note that we take advantage of the implementation permission to make + -- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada + -- 2005, this is Pure in any case (AI-362). + + pragma No_Elaboration_Code_All; + -- Allow the use of that restriction in units that WITH this unit + + type Name is (SYSTEM_NAME_GNAT); + System_Name : constant Name := SYSTEM_NAME_GNAT; + + -- System-Dependent Named Numbers + + Min_Int : constant := -2 ** (Standard'Max_Integer_Size - 1); + Max_Int : constant := 2 ** (Standard'Max_Integer_Size - 1) - 1; + + Max_Binary_Modulus : constant := 2 ** Standard'Max_Integer_Size; + Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1; + + Max_Base_Digits : constant := Long_Long_Float'Digits; + Max_Digits : constant := Long_Long_Float'Digits; + + Max_Mantissa : constant := Standard'Max_Integer_Size - 1; + Fine_Delta : constant := 2.0 ** (-Max_Mantissa); + + Tick : constant := 0.000_001; + + -- Storage-related Declarations + + type Address is private; + pragma Preelaborable_Initialization (Address); + Null_Address : constant Address; + + Storage_Unit : constant := 8; + Word_Size : constant := Standard'Word_Size; + Memory_Size : constant := 2 ** Word_Size; + + -- Address comparison + + function "<" (Left, Right : Address) return Boolean; + function "<=" (Left, Right : Address) return Boolean; + function ">" (Left, Right : Address) return Boolean; + function ">=" (Left, Right : Address) return Boolean; + function "=" (Left, Right : Address) return Boolean; + + pragma Import (Intrinsic, "<"); + pragma Import (Intrinsic, "<="); + pragma Import (Intrinsic, ">"); + pragma Import (Intrinsic, ">="); + pragma Import (Intrinsic, "="); + + -- Other System-Dependent Declarations + + type Bit_Order is (High_Order_First, Low_Order_First); + Default_Bit_Order : constant Bit_Order := Low_Order_First; + pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning + + -- Priority-related Declarations (RM D.1) + + Max_Priority : constant Positive := 30; + Max_Interrupt_Priority : constant Positive := 31; + + subtype Any_Priority is Integer range 0 .. 31; + subtype Priority is Any_Priority range 0 .. 30; + subtype Interrupt_Priority is Any_Priority range 31 .. 31; + + Default_Priority : constant Priority := 15; + +private + + type Address is mod Memory_Size; + Null_Address : constant Address := 0; + + -------------------------------------- + -- System Implementation Parameters -- + -------------------------------------- + + -- These parameters provide information about the target that is used + -- by the compiler. They are in the private part of System, where they + -- can be accessed using the special circuitry in the Targparm unit + -- whose source should be consulted for more detailed descriptions + -- of the individual switch values. + + Backend_Divide_Checks : constant Boolean := False; + Backend_Overflow_Checks : constant Boolean := True; + Command_Line_Args : constant Boolean := True; + Configurable_Run_Time : constant Boolean := False; + Denorm : constant Boolean := True; + Duration_32_Bits : constant Boolean := False; + Exit_Status_Supported : constant Boolean := True; + Machine_Overflows : constant Boolean := False; + Machine_Rounds : constant Boolean := True; + Preallocated_Stacks : constant Boolean := False; + Signed_Zeros : constant Boolean := True; + Stack_Check_Default : constant Boolean := False; + Stack_Check_Probes : constant Boolean := True; + Stack_Check_Limits : constant Boolean := False; + Support_Aggregates : constant Boolean := True; + Support_Composite_Assign : constant Boolean := True; + Support_Composite_Compare : constant Boolean := True; + Support_Long_Shifts : constant Boolean := True; + Always_Compatible_Rep : constant Boolean := False; + Suppress_Standard_Library : constant Boolean := False; + Use_Ada_Main_Program_Name : constant Boolean := False; + Frontend_Exceptions : constant Boolean := False; + ZCX_By_Default : constant Boolean := True; + +end System; diff --git a/gcc/config/loongarch/loongarch.h b/gcc/config/loongarch/loongarch.h index 0e35d4dec..e0c9c9439 100644 --- a/gcc/config/loongarch/loongarch.h +++ b/gcc/config/loongarch/loongarch.h @@ -83,9 +83,9 @@ along with GCC; see the file COPYING3. If not see /* CC1_SPEC is the set of arguments to pass to the compiler proper. */ #undef CC1_SPEC -#define CC1_SPEC "\ +#define CC1_SPEC "%{,ada:-gnatea} %{m*} \ %{G*} \ -%(subtarget_cc1_spec)" +%(subtarget_cc1_spec) %{,ada:-gnatez}" /* Preprocessor specs. */ -- 2.33.0
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