2022-01-19  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2022-01-19  H.J. Lu  <hjl.tools@gmail.com>

	PR ada/103538
	* gcc-interface/Makefile.in (target_cpu): Set to x32 for
	x86_64-linux-gnux32.

2022-01-19  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2022-01-19  H.J. Lu  <hjl.tools@gmail.com>

	PR ada/103538
	* Makefile.rtl (LIBGNAT_TARGET_PAIRS): Add
	$(TRASYM_DWARF_UNIX_PAIRS),
	s-tsmona.adb<libgnat/s-tsmona__linux.adb,
	$(GNATRTL_128BIT_PAIRS).
	(EXTRA_GNATRTL_NONTASKING_OBJS): Add $(TRASYM_DWARF_UNIX_OBJS)
	and $(GNATRTL_128BIT_OBJS).

2021-10-20  Arnaud Charlet  <charlet@adacore.com>

	PR ada/100486
	* sem_prag.adb (Check_Valid_Library_Unit_Pragma): Do not raise an
	exception as part of the bootstrap.

2021-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnat/s-dwalin.adb (Parse_Header): Tweak comments.
	(Read_Entry_Format_Array): Tweak exception message.
	(Symbolic_Address.Set_Result): Likewise.

2021-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnat/s-dwalin.adb (To_File_Name): Fetch only the last string
	from the .debug_line_str section.
	(Symbolic_Address.Set_Result): Likewise.

2021-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnat/s-dwalin.adb (Skip_Form): Fix cases of DW_FORM_addrx
	and DW_FORM_implicit_const.  Replace Constraint_Error with
	Dwarf_Error.

2021-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnat/s-objrea.adb (Get_Load_Address): Return 0 for ELF.

2021-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* adaint.c (__gnat_get_executable_load_address): Add Win32 support.
	* libgnat/s-objrea.ads (Get_Xcode_Bounds): Fix typo in comment.
	(Object_File): Minor reformatting.
	(ELF_Object_File): Uncomment predicate.
	(PECOFF_Object_File): Likewise.
	(XCOFF32_Object_File): Likewise.
	* libgnat/s-objrea.adb: Minor reformatting throughout.
	(Get_Load_Address): Implement for PE-COFF.
	* libgnat/s-dwalin.ads: Remove clause for System.Storage_Elements
	and use consistent wording in comments.
	(Dwarf_Context): Set type of Low, High and Load_Address to Address.
	* libgnat/s-dwalin.adb (Get_Load_Displacement): New function.
	(Is_Inside): Call Get_Load_Displacement.
	(Low_Address): Likewise.
	(Open): Adjust to type change.
	(Aranges_Lookup): Change type of Addr to Address.
	(Read_Aranges_Entry): Likewise for Start and adjust.
	(Enable_Cach): Adjust to type change.
	(Symbolic_Address): Change type of Addr to Address.
	(Symbolic_Traceback): Call Get_Load_Displacement.

2021-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnat/s-dwalin.ads: Remove clause for Ada.Exceptions.Traceback,
	add clause for System.Traceback_Entries and alphabetize.
	(AET): Delete.
	(STE): New package renaming.
	(Symbolic_Traceback): Adjust.
	* libgnat/s-dwalin.adb: Remove clauses for Ada.Exceptions.Traceback
	and System.Traceback_Entries.
	(Symbolic_Traceback): Adjust.

2021-09-30  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnat/s-dwalin.ads: Adjust a few comments left and right.
	(Line_Info_Register): Comment out unused components.
	(Line_Info_Header): Add DWARF 5 support.
	(Dwarf_Context): Likewise.  Rename "prologue" into "header".
	* libgnat/s-dwalin.adb: Alphabetize "with" clauses.
	(DWARF constants): Add DWARF 5 support and reorder.
	(For_Each_Row): Adjust.
	(Initialize_Pass): Likewise.
	(Initialize_State_Machine): Likewise and fix typo.
	(Open): Add DWARF 5 support.
	(Parse_Prologue): Rename into...
	(Parse_Header): ...this and add DWARF 5 support.
	(Read_And_Execute_Isn): Rename into...
	(Read_And_Execute_Insn): ...this and adjust.
	(To_File_Name): Change parameter name and add DWARF 5 support.
	(Read_Entry_Format_Array): New procedure.
	(Skip_Form): Add DWARF 5 support and reorder.
	(Seek_Abbrev): Do not count entries and add DWARF 5 support.
	(Debug_Info_Lookup): Add DWARF 5 support.
	(Symbolic_Address.Set_Result): Likewise.
	(Symbolic_Address): Adjust.

2021-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/101970
	* exp_attr.adb (Expand_N_Attribute_Reference) <Attribute_Enum_Rep>:
	Use an unchecked conversion instead of a regular conversion in the
	enumeration case and remove Conversion_OK flag in the integer case.
	<Attribute_Pos>: Remove superfluous test.

2021-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (validate_size): Do not issue an error if the
	old size has overflowed.

2021-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity): For vector types, make
	the representative array the debug type.

2021-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (update_pointer_to): Set TYPE_CANONICAL on
	pointer and reference types.

2021-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (can_materialize_object_renaming_p): Do not
	call UI_Is_In_Int_Range on the result of Normalized_First_Bit.

2021-09-14  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <is_type>: Declare new
	constant.  Adjust error message issued by validate_size in the case
	of by-reference types.
	(validate_size): Always use the error strings passed by the caller.

2021-07-28  Release Manager

	* GCC 11.2.0 released.

2021-07-09  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (finish_subprog_decl): Remove obsolete line.

2021-07-01  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/101094
	* exp_attr.adb (Get_Integer_Type): Return an integer type with the
	same signedness as the input type.

2021-06-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Add PAT
	local constant and use it throughout.  If it is set, use a ref-all
	pointer type for the pointer-to-array field of the fat pointer type.
	<E_Array_Subtype>: Add PAT local constant and use it throughout.

2021-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Process
	the implementation type of a packed type implemented specially.

2021-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_subprog_type): Always translate
	the Is_Pure flag into the "pure" attribute of GNU C.

2021-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Call_to_gnu): Restrict previous change
	to bitfields whose size is not equal to the type size.
	(gnat_to_gnu): Likewise.

2021-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu) <N_Simple_Return_Statement>:
	Put a SLOC on the assignment from the return value to the return
	object in the copy-in/copy-out case.

2021-04-27  Release Manager

	* GCC 11.1.0 released.

2021-04-21  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/99360
	* exp_ch6.adb (Might_Have_Tasks): Return False when the type is the
	class-wide type of a predefined iterator type.

2021-04-13  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/misc.c (gnat_init): Set default range bits to 0.
	* gcc-interface/trans.c (extract_encoding): Delete.
	(decode_name): Likewise.
	(File_Name_to_gnu): New function.
	(gigi): Call it to translate file names.  Replace assertion on
	1-1 mapping between files and line maps with conditional error.

2021-04-11  Gerald Pfeifer  <gerald@pfeifer.com>

	* gnat_ugn.texi (Top): Avoid invalid "up" link.

2021-03-29  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/99802
	* freeze.adb (Is_Full_Access_Aggregate): Call Is_Full_Access_Object
	on the name of an N_Assignment_Statement to spot full access.

2021-03-10  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity): Build a TYPE_STUB_DECL
	for the main variant of an enumeration type declared as volatile.

2021-03-09  Mikael Pettersson  <mikpelinux@gmail.com>

	* raise-gcc.c: On Cygwin include mingw32.h to prevent
	windows.h from including x86intrin.h or emmintrin.h.

2021-03-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/99264
	* init.c (__gnat_alternate_sta) [Linux]: Remove preprocessor test on
	MINSIGSTKSZ and bump size to 32KB.
	* libgnarl/s-osinte__linux.ads (Alternate_Stack_Size): Bump to 32KB.

2021-03-02  Mikael Pettersson  <mikpelinux@gmail.com>

	PR bootstrap/98590
	* cstreams.c: Ensure fileno_unlocked() is visible on Cygwin.

2021-03-02  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/99095
	* sem_ch8.adb (Check_Constrained_Object): Restrict again the special
	optimization for limited types to non-array types except in the case
	of an extended return statement.

2021-03-02  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/99020
	* sem_ch3.adb (Build_Discriminated_Subtype): Set the Cloned_Subtype
	only if the type is not private.

2021-02-26  YunQiang Su  <yunqiang.su@cipunited.com>

	PR ada/98996
	* Makefile.rtl: <mips*-*-linux*>
	add 128Bit operation file for MIPS N64 and N32 to
	LIBGNAT_TARGET_PAIRS and EXTRA_GNATRTL_NONTASKING_OBJS

2021-02-12  Arnaud Charlet  <charlet@adacore.com>

	* repinfo.ads, repinfo.adb (*SO_Ref*): Restore.

2021-02-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (components_to_record): If the first component
	with rep clause is the _Parent field with variable size, temporarily
	set it aside when computing the internal layout of the REP part again.
	* gcc-interface/utils.c (finish_record_type): Revert to taking the
	maximum when merging sizes for all record types with rep clause.
	(merge_sizes): Put SPECIAL parameter last and adjust recursive calls.

2021-02-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Make the
	two fields of the fat pointer type addressable, and do not make the
	template type read-only.
	<E_Record_Type>: If the type has discriminants mark it as may_alias.
	* gcc-interface/utils.c (make_dummy_type): Likewise.
	(build_dummy_unc_pointer_types): Likewise.

2021-01-26  Marius Hillenbrand  <mhillen@linux.ibm.com>

	PR ada/98228
	* gcc-interface/utils.c (maybe_pad_type): Test the size of the new
	packable type instead of its alignment for addressability's sake.

2021-01-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (make_covariant_thunk): Set the DECL_CONTEXT
	of the parameters and do not set TREE_PUBLIC on the thunk.
	(maybe_make_gnu_thunk): Pass the alias to the covariant thunk.
	* gcc-interface/utils.c (finish_subprog_decl): Set the DECL_CONTEXT
	of the parameters here...
	(begin_subprog_body): ...instead of here.

2021-01-19  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/98740
	* gcc-interface/trans.c (add_decl_expr): Always mark TYPE_ADA_SIZE.

2021-01-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	PR ada/98595
	* Makefile.rtl (LIBGNAT_TARGET_PAIRS) <riscv*-*-rtems*>: Use
	wraplf version of Aux_Long_Long_Float.

2021-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gnatvsn.ads: Bump copyright year.

2021-01-01  Jakub Jelinek  <jakub@redhat.com>

	* gnat_ugn.texi: Bump @copying's copyright year.
	* gnat_rm.texi: Likewise.

2021-01-01  Jakub Jelinek  <jakub@redhat.com>

	* ChangeLog-2020: Rotate ChangeLog.  New file.

2010-06-30  Jakub Jelinek  <jakub@redhat.com>

	* gnat-style.texi: Change dircategory to GNU Ada tools.

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