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riscv-gcc-1
Commit 7cf2b955 by Jim Wilson Committed by Jim Wilson
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RISC-V: Initial riscv linux Ada port. 

	* Makefile.rtl: Add riscv*-linux* support.
	* libgnarl/s-linux__riscv.ads: New.
	* libgnat/system-linux-riscv.ads: New.

From-SVN: r262482
parent 6cd6119c
Showing with 312 additions and 0 deletions
gcc/ada/ChangeLog
2018-07-06 Jim Wilson <jimw@sifive.com> 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. * Make-generated.in (treeprs.ads): Use $(GNATMAKE) instead of gnatmake.
(einfo.h, sinfo.h, stamp-snames, stamp-nmake): Likewise. (einfo.h, sinfo.h, stamp-snames, stamp-nmake): Likewise.
* gcc-interface/Makefile.in (xoscons): Likewise. * gcc-interface/Makefile.in (xoscons): Likewise.
......
gcc/ada/Makefile.rtl
...@@ -2468,6 +2468,34 @@ ifeq ($(strip $(filter-out %x32 linux%,$(target_cpu) $(target_os))),) ...@@ -2468,6 +2468,34 @@ ifeq ($(strip $(filter-out %x32 linux%,$(target_cpu) $(target_os))),)
LIBRARY_VERSION := $(LIB_VERSION) LIBRARY_VERSION := $(LIB_VERSION)
endif endif
# RISC-V Linux
ifeq ($(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 := $(LIB_VERSION)
endif
# Darwin (Mac OS X) # Darwin (Mac OS X)
ifeq ($(strip $(filter-out darwin%,$(target_os))),) ifeq ($(strip $(filter-out darwin%,$(target_os))),)
SO_OPTS = -shared-libgcc SO_OPTS = -shared-libgcc
......
gcc/ada/libgnarl/s-linux__riscv.ads 0 → 100644
------------------------------------------------------------------------------
-- --
-- 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;
gcc/ada/libgnat/system-linux-riscv.ads 0 → 100644
------------------------------------------------------------------------------
-- --
-- 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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