* Makefile.rtl: Add riscv*-linux* support.
* libgnarl/s-linux__riscv.ads: New.
* libgnat/system-linux-riscv.ads: New.
From-SVN: r262482
2018-07-06 Jim Wilson <jimw@sifive.com>
+ * Makefile.rtl: Add riscv*-linux* support.
+ * libgnarl/s-linux__riscv.ads: New.
+ * libgnat/system-linux-riscv.ads: New.
+
* Make-generated.in (treeprs.ads): Use $(GNATMAKE) instead of gnatmake.
(einfo.h, sinfo.h, stamp-snames, stamp-nmake): Likewise.
* gcc-interface/Makefile.in (xoscons): Likewise.
LIBRARY_VERSION := $(LIB_VERSION)
endif
+# RISC-V Linux
+ifeq ($(strip $(filter-out riscv% linux%,$(target_cpu) $(target_os))),)
+ LIBGNAT_TARGET_PAIRS = \
+ a-intnam.ads<libgnarl/a-intnam__linux.ads \
+ s-inmaop.adb<libgnarl/s-inmaop__posix.adb \
+ s-intman.adb<libgnarl/s-intman__posix.adb \
+ s-linux.ads<libgnarl/s-linux__riscv.ads \
+ s-osinte.adb<libgnarl/s-osinte__posix.adb \
+ s-osinte.ads<libgnarl/s-osinte__linux.ads \
+ 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-taspri.ads<libgnarl/s-taspri__posix-noaltstack.ads \
+ s-tpopsp.adb<libgnarl/s-tpopsp__posix-foreign.adb \
+ g-sercom.adb<libgnat/g-sercom__linux.adb \
+ system.ads<libgnat/system-linux-riscv.ads
+
+ TOOLS_TARGET_PAIRS = indepsw.adb<indepsw-gnu.adb
+
+ EXTRA_GNATRTL_TASKING_OBJS=s-linux.o
+ EH_MECHANISM=-gcc
+ THREADSLIB = -lpthread
+ GNATLIB_SHARED = gnatlib-shared-dual
+ GMEM_LIB = gmemlib
+ LIBRARY_VERSION := $(LIB_VERSION)
+endif
+
# Darwin (Mac OS X)
ifeq ($(strip $(filter-out darwin%,$(target_os))),)
SO_OPTS = -shared-libgcc
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . L I N U X --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 2009-2018, 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 RISC-V 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;
+
+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;
+ subtype time_t is Interfaces.C.long;
+ 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 := 28; -- 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
+
+ SIGLTHRRES : constant := 0; -- GNU/LinuxThreads restart signal
+ SIGLTHRCAN : constant := 0; -- GNU/LinuxThreads cancel signal
+ SIGLTHRDBG : constant := 0; -- GNU/LinuxThreads debugger signal
+
+ -- These don't exist for Linux/RISC-V. 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 := long'Size / 8;
+ sa_flags_pos : constant := long'Size / 8 + 128;
+
+ SA_SIGINFO : constant := 16#04#;
+ SA_ONSTACK : constant := 16#08000000#;
+
+end System.Linux;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M --
+-- --
+-- S p e c --
+-- (GNU-Linux/RISC-V Version) --
+-- --
+-- Copyright (C) 1992-2018, 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 := Long_Long_Integer'First;
+ Max_Int : constant := Long_Long_Integer'Last;
+
+ Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size;
+ Max_Nonbinary_Modulus : constant := Integer'Last;
+
+ Max_Base_Digits : constant := Long_Long_Float'Digits;
+ Max_Digits : constant := Long_Long_Float'Digits;
+
+ Max_Mantissa : constant := 63;
+ 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;
+ Fractional_Fixed_Ops : constant Boolean := False;
+ Frontend_Layout : constant Boolean := False;
+ 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;
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