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elfos.h (SELECT_SECTION): Undef before defining.

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* elfos.h (SELECT_SECTION): Undef before defining.
	* pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
	(LIB_SPEC): Remove -lmilli.
	(DBX_REGISTER_NUMBER): Remove.
	(PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
	(DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
	NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
	DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
	DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
	ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
	ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
	TARGET_GAS): Define.
	* pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
	(function_arg): If TARGET_ELF32, pass fp args in both general and fp
	regs if we don't have a prototype.
	* pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
	* pa.h (TARGET_ELF32): Default to 0 if undefined.
	(EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
	EH_RETURN_HANDLER_RTX): Define.
	* pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
	(DWARF_FRAME_REGNUM): Define.
	* pa64-regs.h (DWARF_FRAME_REGNUM): Define.
	* pa32-linux.h: New file.
	* pa64-linux.h: New file.

From-SVN: r41322
This commit is contained in:
Alan Modra 2001-04-13 05:12:12 +00:00 committed by Alan Modra
parent 380109278c
commit e25724d884
8 changed files with 200 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
gcc/ChangeLog
View File

@ -1,5 +1,30 @@
2001-04-13 Alan Modra <amodra@one.net.au>
* elfos.h (SELECT_SECTION): Undef before defining.
* pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
(LIB_SPEC): Remove -lmilli.
(DBX_REGISTER_NUMBER): Remove.
(PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
(DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
TARGET_GAS): Define.
* pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
(function_arg): If TARGET_ELF32, pass fp args in both general and fp
regs if we don't have a prototype.
* pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
* pa.h (TARGET_ELF32): Default to 0 if undefined.
(EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
EH_RETURN_HANDLER_RTX): Define.
* pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
(DWARF_FRAME_REGNUM): Define.
* pa64-regs.h (DWARF_FRAME_REGNUM): Define.
* pa32-linux.h: New file.
* pa64-linux.h: New file.
* pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
(ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
(LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,

1
gcc/config/elfos.h
View File

@ -494,6 +494,7 @@ dtors_section () \
or a constant of some sort. RELOC indicates whether forming
the initial value of DECL requires link-time relocations. */
#undef SELECT_SECTION
#define SELECT_SECTION(DECL, RELOC) \
{ \
if (TREE_CODE (DECL) == STRING_CST) \

173
gcc/config/pa/pa-linux.h
View File

@ -1,5 +1,5 @@
/* Definitions for PA_RISC with ELF format
Copyright (C) 1999 Free Software Foundation, Inc.
Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -18,38 +18,161 @@ along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* FIXME - this doesn't seem to be used anywhere */
#define LINUX_DEFAULT_ELF
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
/* Use DWARF2 debugging info and unwind. */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#define DWARF2_ASM_LINE_DEBUG_INFO 1
#define DWARF2_UNWIND_INFO 1
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-D__ELF__ -Dunix -D__hppa__ -Dlinux -Asystem=unix -Asystem=posix -Acpu=hppa -Amachine=hppa -Amachine=bigendian"
#undef CPP_SPEC
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}\
%{msnake:-D_PA_RISC1_1}\
%{mpa-risc-1-1:-D_PA_RISC1_1}"
#undef LIB_SPEC
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} -lmilli"
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
/* How to renumber registers for dbx and gdb.
#undef ASM_SPEC
#define ASM_SPEC \
"%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
It is entirely possible linux will use a different numbering scheme.
Until we know for sure, it's the same as hpux, osf & bsd, but we're
ready if it needs to be different.
/* Define this for shared library support because it isn't in the main
linux.h file. */
Registers 0 - 31 remain unchanged.
#undef LINK_SPEC
#define LINK_SPEC "\
%{shared:-shared} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
%{static:-static}}"
Registers 32 - 87 are mapped to 72 - 127
/* Sibcalls, stubs, and elf sections don't play well. */
#undef FUNCTION_OK_FOR_SIBCALL
#define FUNCTION_OK_FOR_SIBCALL(x) 0
Register 88 is mapped to 32. */
/* glibc's profiling functions don't need gcc to allocate counters. */
#define NO_PROFILE_COUNTERS 1
#define DBX_REGISTER_NUMBER(REGNO) \
((REGNO) <= 31 ? (REGNO) : \
((REGNO) > 31 && (REGNO) <= 87 ? (REGNO) + 40 : 32))
/* Put plabels into the data section so we can relocate them. */
#undef SELECT_RTX_SECTION
#define SELECT_RTX_SECTION(MODE,RTX) \
if (flag_pic && function_label_operand (RTX, MODE)) \
data_section (); \
else \
readonly_data_section ();
/* A C expression whose value is RTL representing the location of the
incoming return address at the beginning of any function, before the
prologue. */
#define INCOMING_RETURN_ADDR_RTX (gen_rtx_REG (word_mode, 2))
#define DWARF_FRAME_RETURN_COLUMN (DWARF_FRAME_REGNUM (2))
/* Define the strings used for the special svr4 .type and .size directives.
These strings generally do not vary from one system running svr4 to
another, but if a given system (e.g. m88k running svr) needs to use
different pseudo-op names for these, they may be overridden in the
file which includes this one. */
#undef STRING_ASM_OP
#define STRING_ASM_OP ".stringz"
#define TEXT_SECTION_ASM_OP "\t.text"
#define DATA_SECTION_ASM_OP "\t.data"
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
/* Output at beginning of assembler file. We override the definition
from <linux.h> so that we can get the proper .LEVEL directive. */
#undef ASM_FILE_START
#define ASM_FILE_START(FILE) \
do \
{ \
if (write_symbols != NO_DEBUG) \
{ \
output_file_directive (FILE, main_input_filename); \
fputs ("\t.version\t\"01.01\"\n", FILE); \
} \
if (TARGET_64BIT) \
fputs("\t.LEVEL 2.0w\n", FILE); \
else if (TARGET_PA_20) \
fputs("\t.LEVEL 2.0\n", FILE); \
else if (TARGET_PA_11) \
fputs("\t.LEVEL 1.1\n", FILE); \
else \
fputs("\t.LEVEL 1.0\n", FILE); \
if (profile_flag) \
fputs ("\t.IMPORT _mcount, CODE\n", FILE); \
} \
while (0)
/* Output a definition */
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
do \
{ \
fprintf ((FILE), "\t%s\t", SET_ASM_OP); \
assemble_name (FILE, LABEL1); \
fprintf (FILE, ","); \
assemble_name (FILE, LABEL2); \
fprintf (FILE, "\n"); \
} \
while (0)
/* Define these to generate the Linux/ELF/SysV style of internal
labels all the time - i.e. to be compatible with
ASM_GENERATE_INTERNAL_LABEL in <elfos.h>. Compare these with the
ones in pa.h and note the lack of dollar signs in these. FIXME:
shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
#undef ASM_OUTPUT_ADDR_VEC_ELT
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
if (TARGET_BIG_SWITCH) \
fprintf (FILE, "\tstw %%r1,-16(%%r30)\n\tldil LR'.L%d,%%r1\n\tbe RR'.L%d(%%sr4,%%r1)\n\tldw -16(%%r30),%%r1\n", VALUE, VALUE); \
else \
fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
if (TARGET_BIG_SWITCH) \
fprintf (FILE, "\tstw %%r1,-16(%%r30)\n\tldw T'.L%d(%%r19),%%r1\n\tbv %%r0(%%r1)\n\tldw -16(%%r30),%%r1\n", VALUE); \
else \
fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
/* This is how to output the definition of a user-level label named NAME,
such as the label on a static function or variable NAME. */
#undef ASM_OUTPUT_LABEL
#define ASM_OUTPUT_LABEL(FILE, NAME) \
do \
{ \
assemble_name (FILE, NAME); \
fputs (":\n", FILE); \
} \
while (0)
/* NOTE: ASM_OUTPUT_INTERNAL_LABEL() is defined for us by elfos.h, and
does what we want (i.e. uses colons). It must be compatible with
ASM_GENERATE_INTERNAL_LABEL(), so do not define it here. */
#undef ASM_GLOBALIZE_LABEL
#define ASM_GLOBALIZE_LABEL(FILE, NAME) \
(fputs (".globl ", FILE), assemble_name (FILE, NAME), fputs ("\n", FILE))
/* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
labels in a function declaration (since pa.c seems determined to do
it differently) */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
do \
{ \
fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
assemble_name (FILE, NAME); \
putc (',', FILE); \
fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
putc ('\n', FILE); \
ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
} \
while (0)
/* Linux always uses gas. */
#undef TARGET_GAS
#define TARGET_GAS 1

6
gcc/config/pa/pa.c
View File

@ -4552,8 +4552,8 @@ output_arg_descriptor (call_insn)
int regno;
/* We neither need nor want argument location descriptors for the
64bit runtime environment. */
if (TARGET_64BIT)
64bit runtime environment or the ELF32 environment. */
if (TARGET_64BIT || TARGET_ELF32)
return;
for (i = 0; i < 4; i++)
@ -7057,7 +7057,7 @@ function_arg (cum, mode, type, named, incoming)
}
/* Determine if the register needs to be passed in both general and
floating point registers. */
if ((TARGET_PORTABLE_RUNTIME || TARGET_64BIT)
if ((TARGET_PORTABLE_RUNTIME || TARGET_64BIT || TARGET_ELF32)
/* If we are doing soft-float with portable runtime, then there
is no need to worry about FP regs. */
&& ! TARGET_SOFT_FLOAT

11
gcc/config/pa/pa.h
View File

@ -171,6 +171,11 @@ extern int target_flags;
#define TARGET_64BIT 0
#endif
/* Generate code for ELF32 ABI. */
#ifndef TARGET_ELF32
#define TARGET_ELF32 0
#endif
/* Macro to define tables used to set the flags.
This is a list in braces of pairs in braces,
each pair being { "NAME", VALUE }
@ -516,6 +521,12 @@ extern void hppa_init_pic_save PARAMS ((void));
/* Register in which address to store a structure value
is passed to a function. */
#define STRUCT_VALUE_REGNUM 28
/* Describe how we implement __builtin_eh_return. */
#define EH_RETURN_DATA_REGNO(N) \
((N) < 3 ? (N) + 20 : (N) == 4 ? 31 : INVALID_REGNUM)
#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 29)
#define EH_RETURN_HANDLER_RTX gen_rtx_REG (Pmode, 2)
/* The letters I, J, K, L and M in a register constraint string
can be used to stand for particular ranges of immediate operands.

2
gcc/config/pa/pa.md
View File

@ -7021,7 +7021,7 @@
(clobber (reg:SI 31))])
(set (match_operand:SI 0 "register_operand" "")
(reg:SI 29))]
"! TARGET_PORTABLE_RUNTIME && !TARGET_64BIT"
"! TARGET_PORTABLE_RUNTIME && !TARGET_64BIT && !TARGET_ELF32"
"
{
operands[2] = gen_reg_rtx (SImode);

7
gcc/config/pa/pa32-regs.h
View File

@ -186,7 +186,12 @@
#define DBX_REGISTER_NUMBER(REGNO) \
((REGNO) <= 31 ? (REGNO) : \
((REGNO) > 31 && (REGNO) <= 87 ? (REGNO) + 40 : 32))
((REGNO) <= 87 ? (REGNO) + 40 : 32))
/* We must not use the DBX register numbers for the DWARF 2 CFA column
numbers because that maps to numbers beyond FIRST_PSEUDO_REGISTER.
Instead use the identity mapping. */
#define DWARF_FRAME_REGNUM(REG) REG
/* Define the classes of registers for register constraints in the
machine description. Also define ranges of constants.

5
gcc/config/pa/pa64-regs.h
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@ -176,6 +176,11 @@ Boston, MA 02111-1307, USA. */
((REGNO) <= 31 ? (REGNO) : \
((REGNO) > 31 && (REGNO) <= 60 ? (REGNO - 32) * 2 + 72 : 32))
/* We must not use the DBX register numbers for the DWARF 2 CFA column
numbers because that maps to numbers beyond FIRST_PSEUDO_REGISTER.
Instead use the identity mapping. */
#define DWARF_FRAME_REGNUM(REG) REG
/* Define the classes of registers for register constraints in the
machine description. Also define ranges of constants.