elf.h (TEXT_SPACE_P, [...]): Delete.
* elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
(ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
(ASM_FILE_START): Import _mcount with the right type.
(ASM_DECLARE_FUNCTION_NAME): Define.
(ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
* pa.c (output_function_prologue): Always emit the function's label
here.
* pa.h (TEXT_SPACE_P): Define.
(FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
(ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
* som.h (TEXT_SPACE_P): Delete.
(FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
(ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
From-SVN: r28549
This commit is contained in:
Jeffrey A Law
Jeff Law
parent
3a6bdebaa0
commit
e7eacc8e27
5 changed files with 158 additions and 105 deletions
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@ -1,3 +1,19 @@
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Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
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* elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
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(ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
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(ASM_FILE_START): Import _mcount with the right type.
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(ASM_DECLARE_FUNCTION_NAME): Define.
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(ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
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* pa.c (output_function_prologue): Always emit the function's label
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here.
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* pa.h (TEXT_SPACE_P): Define.
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(FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
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(ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
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* som.h (TEXT_SPACE_P): Delete.
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(FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
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(ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
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Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
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* expr.c (emit_group_load): Allow src to be a CONCAT.
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@ -21,32 +21,10 @@ Boston, MA 02111-1307, USA. */
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/* So we can conditionalize small amounts of code in pa.c or pa.md. */
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#define OBJ_ELF
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/* Dummy definitions. We do not care about this stuff for ELF. */
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#define TEXT_SPACE_P(DECL) 0
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#define FUNCTION_NAME_P(NAME) 0
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#define TEXT_SECTION_ASM_OP "\t.text"
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#define DATA_SECTION_ASM_OP "\t.data"
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#define BSS_SECTION_ASM_OP "\t.section\t.bss"
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/* This is how to output a command to make the user-level label named NAME
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defined for reference from other files. */
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#define ASM_GLOBALIZE_LABEL(FILE,NAME) \
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(fputs ("\t.globl ", FILE), assemble_name (FILE, NAME), fputs ("\n", FILE))
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/* This is how to output an assembler line defining an `int' constant. */
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#define ASM_OUTPUT_INT(FILE,VALUE) \
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{ fputs ("\t.word ", FILE); \
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output_addr_const (FILE, (VALUE)); \
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fputs ("\n", FILE);}
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#define ASM_OUTPUT_DOUBLE_INT(FILE,VALUE) \
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{ fputs ("\t.dword ", FILE); \
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output_addr_const (FILE, (VALUE)); \
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fputs ("\n", FILE);}
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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do { \
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@ -57,7 +35,57 @@ do { \
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else \
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fputs("\t.LEVEL 1.0\n", FILE); \
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if (profile_flag)\
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fprintf (FILE, "\t.IMPORT _mcount, CODE\n");\
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fprintf (FILE, "\t.IMPORT _mcount, ENTRY\n");\
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if (write_symbols != NO_DEBUG) \
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output_file_directive ((FILE), main_input_filename); \
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} while (0)
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#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
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do { \
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if (TREE_PUBLIC (DECL)) \
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{ \
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fputs ("\t.EXPORT ", FILE); \
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assemble_name (FILE, NAME); \
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fputs (",ENTRY\n", FILE); \
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} \
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} while (0)
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/* This is how to output a command to make the user-level label named NAME
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defined for reference from other files.
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We call assemble_name, which in turn sets TREE_SYMBOL_REFERENCED. This
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macro will restore the original value of TREE_SYMBOL_REFERENCED to avoid
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placing useless function definitions in the output file.
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Also note that the SOM based tools need the symbol imported as a CODE
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symbol, while the ELF based tools require the symbol to be imported as
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an ENTRY symbol. What a crock. */
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#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
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do { int save_referenced; \
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save_referenced = TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL)); \
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fputs ("\t.IMPORT ", FILE); \
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assemble_name (FILE, NAME); \
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if (FUNCTION_NAME_P (NAME)) \
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fputs (",ENTRY\n", FILE); \
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else \
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fputs (",DATA\n", FILE); \
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TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL)) = save_referenced; \
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} while (0)
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/* The bogus HP assembler requires ALL external references to be
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"imported", even library calls. They look a bit different, so
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here's this macro.
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Also note not all libcall names are passed to ENCODE_SECTION_INFO
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(__main for example). To make sure all libcall names have section
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info recorded in them, we do it here. */
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#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, RTL) \
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do { fputs ("\t.IMPORT ", FILE); \
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if (!function_label_operand (RTL, VOIDmode)) \
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hppa_encode_label (RTL, 1); \
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assemble_name (FILE, XSTR ((RTL), 0)); \
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fputs (",ENTRY\n", FILE); \
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} while (0)
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@ -2651,9 +2651,7 @@ output_function_prologue (file, size)
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/* The function's label and associated .PROC must never be
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separated and must be output *after* any profiling declarations
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to avoid changing spaces/subspaces within a procedure. */
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#ifdef OBJ_SOM
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ASM_OUTPUT_LABEL (file, XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));
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#endif
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fputs ("\t.PROC\n", file);
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/* hppa_expand_prologue does the dirty work now. We just need
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@ -1586,6 +1586,59 @@ extern struct rtx_def *hppa_legitimize_address ();
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else \
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readonly_data_section ();
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/* Define this macro if references to a symbol must be treated
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differently depending on something about the variable or
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function named by the symbol (such as what section it is in).
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The macro definition, if any, is executed immediately after the
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rtl for DECL or other node is created.
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The value of the rtl will be a `mem' whose address is a
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`symbol_ref'.
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The usual thing for this macro to do is to a flag in the
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`symbol_ref' (such as `SYMBOL_REF_FLAG') or to store a modified
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name string in the `symbol_ref' (if one bit is not enough
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information).
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On the HP-PA we use this to indicate if a symbol is in text or
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data space. Also, function labels need special treatment. */
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#define TEXT_SPACE_P(DECL)\
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(TREE_CODE (DECL) == FUNCTION_DECL \
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|| (TREE_CODE (DECL) == VAR_DECL \
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&& TREE_READONLY (DECL) && ! TREE_SIDE_EFFECTS (DECL) \
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&& (! DECL_INITIAL (DECL) || ! reloc_needed (DECL_INITIAL (DECL))) \
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&& !flag_pic) \
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|| (TREE_CODE_CLASS (TREE_CODE (DECL)) == 'c' \
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&& !(TREE_CODE (DECL) == STRING_CST && flag_writable_strings)))
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#define FUNCTION_NAME_P(NAME) \
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(*(NAME) == '@' || (*(NAME) == '*' && *((NAME) + 1) == '@'))
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#define ENCODE_SECTION_INFO(DECL)\
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do \
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{ if (TEXT_SPACE_P (DECL)) \
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{ rtx _rtl; \
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if (TREE_CODE (DECL) == FUNCTION_DECL \
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|| TREE_CODE (DECL) == VAR_DECL) \
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_rtl = DECL_RTL (DECL); \
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else \
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_rtl = TREE_CST_RTL (DECL); \
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SYMBOL_REF_FLAG (XEXP (_rtl, 0)) = 1; \
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if (TREE_CODE (DECL) == FUNCTION_DECL) \
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hppa_encode_label (XEXP (DECL_RTL (DECL), 0), 0);\
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} \
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} \
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while (0)
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/* Store the user-specified part of SYMBOL_NAME in VAR.
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This is sort of inverse to ENCODE_SECTION_INFO. */
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#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \
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(VAR) = ((SYMBOL_NAME) + ((SYMBOL_NAME)[0] == '*' ? \
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1 + (SYMBOL_NAME)[1] == '@'\
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: (SYMBOL_NAME)[0] == '@'))
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/* Specify the machine mode that this machine uses
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for the index in the tablejump instruction. */
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#define CASE_VECTOR_MODE (TARGET_BIG_SWITCH ? TImode : DImode)
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@ -1882,6 +1935,27 @@ extern struct rtx_def *hppa_legitimize_address ();
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fprintf (FILE, "\t.word 0x%lx\n", l); \
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} while (0)
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/* This is how to output an assembler line defining an `int' constant.
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This is made more complicated by the fact that functions must be
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prefixed by a P% as well as code label references for the exception
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table -- otherwise the linker chokes. */
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#define ASM_OUTPUT_INT(FILE,VALUE) \
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{ fputs ("\t.word ", FILE); \
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if (function_label_operand (VALUE, VOIDmode)) \
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fputs ("P%", FILE); \
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output_addr_const (FILE, (VALUE)); \
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fputs ("\n", FILE);}
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/* Likewise for double integers. */
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#define ASM_OUTPUT_DOUBLE_INT(FILE,VALUE) \
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{ fputs ("\t.dword ", FILE); \
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if (function_label_operand (VALUE, VOIDmode)) \
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fputs ("P%", FILE); \
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output_addr_const (FILE, (VALUE)); \
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fputs ("\n", FILE);}
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/* Likewise for `short' and `char' constants. */
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#define ASM_OUTPUT_SHORT(FILE,VALUE) \
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@ -1899,6 +1973,18 @@ extern struct rtx_def *hppa_legitimize_address ();
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#define ASM_OUTPUT_BYTE(FILE,VALUE) \
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fprintf (FILE, "\t.byte 0x%x\n", (VALUE))
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#define ASM_GLOBALIZE_LABEL(FILE, NAME) \
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do { \
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/* We only handle DATA objects here, functions are globalized in \
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ASM_DECLARE_FUNCTION_NAME. */ \
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if (! FUNCTION_NAME_P (NAME)) \
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{ \
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fputs ("\t.EXPORT ", FILE); \
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assemble_name (FILE, NAME); \
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fputs (",DATA\n", FILE); \
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} \
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} while (0)
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#define ASM_OUTPUT_ASCII(FILE, P, SIZE) \
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output_ascii ((FILE), (P), (SIZE))
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@ -136,59 +136,6 @@ do { \
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#endif
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/* Define this macro if references to a symbol must be treated
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differently depending on something about the variable or
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function named by the symbol (such as what section it is in).
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The macro definition, if any, is executed immediately after the
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rtl for DECL or other node is created.
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The value of the rtl will be a `mem' whose address is a
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`symbol_ref'.
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The usual thing for this macro to do is to a flag in the
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`symbol_ref' (such as `SYMBOL_REF_FLAG') or to store a modified
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name string in the `symbol_ref' (if one bit is not enough
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information).
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On the HP-PA we use this to indicate if a symbol is in text or
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data space. Also, function labels need special treatment. */
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#define TEXT_SPACE_P(DECL)\
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(TREE_CODE (DECL) == FUNCTION_DECL \
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|| (TREE_CODE (DECL) == VAR_DECL \
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&& TREE_READONLY (DECL) && ! TREE_SIDE_EFFECTS (DECL) \
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&& (! DECL_INITIAL (DECL) || ! reloc_needed (DECL_INITIAL (DECL))) \
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&& !flag_pic) \
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|| (TREE_CODE_CLASS (TREE_CODE (DECL)) == 'c' \
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&& !(TREE_CODE (DECL) == STRING_CST && flag_writable_strings)))
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#define FUNCTION_NAME_P(NAME) \
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(*(NAME) == '@' || (*(NAME) == '*' && *((NAME) + 1) == '@'))
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#define ENCODE_SECTION_INFO(DECL)\
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do \
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{ if (TEXT_SPACE_P (DECL)) \
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{ rtx _rtl; \
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if (TREE_CODE (DECL) == FUNCTION_DECL \
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|| TREE_CODE (DECL) == VAR_DECL) \
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_rtl = DECL_RTL (DECL); \
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else \
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_rtl = TREE_CST_RTL (DECL); \
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SYMBOL_REF_FLAG (XEXP (_rtl, 0)) = 1; \
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if (TREE_CODE (DECL) == FUNCTION_DECL) \
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hppa_encode_label (XEXP (DECL_RTL (DECL), 0), 0);\
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} \
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} \
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while (0)
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/* Store the user-specified part of SYMBOL_NAME in VAR.
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This is sort of inverse to ENCODE_SECTION_INFO. */
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#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \
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(VAR) = ((SYMBOL_NAME) + ((SYMBOL_NAME)[0] == '*' ? \
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1 + (SYMBOL_NAME)[1] == '@'\
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: (SYMBOL_NAME)[0] == '@'))
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/* NAME refers to the function's name. If we are placing each function into
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its own section, we need to switch to the section for this function. Note
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that the section name will have a "." prefix. */
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@ -395,7 +342,11 @@ DTORS_SECTION_FUNCTION
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We call assemble_name, which in turn sets TREE_SYMBOL_REFERENCED. This
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macro will restore the original value of TREE_SYMBOL_REFERENCED to avoid
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placing useless function definitions in the output file. */
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placing useless function definitions in the output file.
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Also note that the SOM based tools need the symbol imported as a CODE
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symbol, while the ELF based tools require the symbol to be imported as
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an ENTRY symbol. What a crock. */
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#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
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do { int save_referenced; \
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@ -425,34 +376,8 @@ DTORS_SECTION_FUNCTION
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fputs (",CODE\n", FILE); \
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} while (0)
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#define ASM_GLOBALIZE_LABEL(FILE, NAME) \
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do { \
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/* We only handle DATA objects here, functions are globalized in \
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ASM_DECLARE_FUNCTION_NAME. */ \
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if (! FUNCTION_NAME_P (NAME)) \
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{ \
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fputs ("\t.EXPORT ", FILE); \
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assemble_name (FILE, NAME); \
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fputs (",DATA\n", FILE); \
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} \
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} while (0)
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#define ASM_FILE_END(FILE) output_deferred_plabels (FILE)
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/* This is how to output an assembler line defining an `int' constant.
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This is made more complicated by the fact that functions must be
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prefixed by a P% as well as code label references for the exception
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table -- otherwise the linker chokes. */
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#define ASM_OUTPUT_INT(FILE,VALUE) \
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{ fputs ("\t.word ", FILE); \
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if (function_label_operand (VALUE, VOIDmode)) \
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fputs ("P%", FILE); \
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output_addr_const (FILE, (VALUE)); \
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fputs ("\n", FILE);}
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/* We want __gcc_plt_call to appear in every program built by
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gcc, so we make a reference to it out of __main.
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We use the asm statement to fool the optimizer into not
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Loading…
Add table
Reference in a new issue