gas reloc rewrite.

1 files changed, 70 insertions, 68 deletions

diff --git a/gas/config/tc-avr.h b/gas/config/tc-avr.h
index 7aff4e2..8a1a4eb 100644
--- a/gas/config/tc-avr.h
+++ b/gas/config/tc-avr.h
@@ -1,5 +1,5 @@
 /* This file is tc-avr.h
-   Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    Contributed by Denis Chertykov <denisc@overta.ru>
 
@@ -24,101 +24,103 @@
  #error AVR support requires BFD_ASSEMBLER
 #endif
 
+/* By convention, you should define this macro in the `.h' file.  For
+   example, `tc-m68k.h' defines `TC_M68K'.  You might have to use this
+   if it is necessary to add CPU specific code to the object format
+   file.  */
 #define TC_AVR
-/*   By convention, you should define this macro in the `.h' file.  For
-     example, `tc-m68k.h' defines `TC_M68K'.  You might have to use this
-     if it is necessary to add CPU specific code to the object format
-     file.  */
 
+/* This macro is the BFD target name to use when creating the output
+   file.  This will normally depend upon the `OBJ_FMT' macro.  */
 #define TARGET_FORMAT "elf32-avr"
-/*   This macro is the BFD target name to use when creating the output
-     file.  This will normally depend upon the `OBJ_FMT' macro.  */
 
+/* This macro is the BFD architecture to pass to `bfd_set_arch_mach'.  */
 #define TARGET_ARCH bfd_arch_avr
-/*   This macro is the BFD architecture to pass to `bfd_set_arch_mach'.  */
 
+/* This macro is the BFD machine number to pass to
+   `bfd_set_arch_mach'.  If it is not defined, GAS will use 0.  */
 #define TARGET_MACH 0
-/*   This macro is the BFD machine number to pass to
-     `bfd_set_arch_mach'.  If it is not defined, GAS will use 0.  */
 
+/* You should define this macro to be non-zero if the target is big
+   endian, and zero if the target is little endian.  */
 #define TARGET_BYTES_BIG_ENDIAN 0
-/*   You should define this macro to be non-zero if the target is big
-     endian, and zero if the target is little endian.  */
 
+/* If you define this macro, GAS will warn about the use of
+   nonstandard escape sequences in a string.  */
 #define ONLY_STANDARD_ESCAPES
-/*   If you define this macro, GAS will warn about the use of
-     nonstandard escape sequences in a string.  */
 
+/* GAS will call this function for any expression that can not be
+   recognized.  When the function is called, `input_line_pointer'
+   will point to the start of the expression.  */
 #define md_operand(x)
-/*   GAS will call this function for any expression that can not be
-     recognized.  When the function is called, `input_line_pointer'
-     will point to the start of the expression.  */
-
-void avr_parse_cons_expression (expressionS *exp, int nbytes);
 
+/* You may define this macro to parse an expression used in a data
+   allocation pseudo-op such as `.word'.  You can use this to
+   recognize relocation directives that may appear in such directives.  */
 #define TC_PARSE_CONS_EXPRESSION(EXPR,N) avr_parse_cons_expression (EXPR,N)
-/*
-     You may define this macro to parse an expression used in a data
-     allocation pseudo-op such as `.word'.  You can use this to
-     recognize relocation directives that may appear in such directives.*/
-
-void avr_cons_fix_new(fragS *frag,int where, int nbytes, expressionS *exp);
+void avr_parse_cons_expression (expressionS *exp, int nbytes);
 
+/* You may define this macro to generate a fixup for a data
+   allocation pseudo-op.  */
 #define TC_CONS_FIX_NEW(FRAG,WHERE,N,EXP) avr_cons_fix_new(FRAG,WHERE,N,EXP)
-/*   You may define this macro to generate a fixup for a data
-     allocation pseudo-op.  */
+void avr_cons_fix_new(fragS *frag,int where, int nbytes, expressionS *exp);
 
+/* This should just call either `number_to_chars_bigendian' or
+   `number_to_chars_littleendian', whichever is appropriate.  On
+   targets like the MIPS which support options to change the
+   endianness, which function to call is a runtime decision.  On
+   other targets, `md_number_to_chars' can be a simple macro.  */
 #define md_number_to_chars number_to_chars_littleendian
-/*   This should just call either `number_to_chars_bigendian' or
-     `number_to_chars_littleendian', whichever is appropriate.  On
-     targets like the MIPS which support options to change the
-     endianness, which function to call is a runtime decision.  On
-     other targets, `md_number_to_chars' can be a simple macro.  */
 
+/* `md_short_jump_size'
+   `md_long_jump_size'
+   `md_create_short_jump'
+   `md_create_long_jump'
+   If `WORKING_DOT_WORD' is defined, GAS will not do broken word
+   processing (*note Broken words::.).  Otherwise, you should set
+   `md_short_jump_size' to the size of a short jump (a jump that is
+   just long enough to jump around a long jmp) and
+   `md_long_jump_size' to the size of a long jump (a jump that can go
+   anywhere in the function), You should define
+   `md_create_short_jump' to create a short jump around a long jump,
+   and define `md_create_long_jump' to create a long jump.  */
 #define WORKING_DOT_WORD
-/*
-`md_short_jump_size'
-`md_long_jump_size'
-`md_create_short_jump'
-`md_create_long_jump'
-     If `WORKING_DOT_WORD' is defined, GAS will not do broken word
-     processing (*note Broken words::.).  Otherwise, you should set
-     `md_short_jump_size' to the size of a short jump (a jump that is
-     just long enough to jump around a long jmp) and
-     `md_long_jump_size' to the size of a long jump (a jump that can go
-     anywhere in the function), You should define
-     `md_create_short_jump' to create a short jump around a long jump,
-     and define `md_create_long_jump' to create a long jump.  */
 
+/* If you define this macro, it means that `tc_gen_reloc' may return
+   multiple relocation entries for a single fixup.  In this case, the
+   return value of `tc_gen_reloc' is a pointer to a null terminated
+   array.  */
 #undef RELOC_EXPANSION_POSSIBLE
-/*   If you define this macro, it means that `tc_gen_reloc' may return
-     multiple relocation entries for a single fixup.  In this case, the
-     return value of `tc_gen_reloc' is a pointer to a null terminated
-     array.  */
-
-#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
-/*   If you define this macro, it should return the offset between the
-     address of a PC relative fixup and the position from which the PC
-     relative adjustment should be made.  On many processors, the base
-     of a PC relative instruction is the next instruction, so this
-     macro would return the length of an instruction.  */
 
+/* No shared lib support, so we don't need to ensure externally
+   visible symbols can be overridden.  */
+#define EXTERN_FORCE_RELOC 0
+
+/* Values passed to md_apply_fix3 don't include the symbol value.  */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* If you define this macro, it should return the offset between the
+   address of a PC relative fixup and the position from which the PC
+   relative adjustment should be made.  On many processors, the base
+   of a PC relative instruction is the next instruction, so this
+   macro would return the length of an instruction.  */
+#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
 extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
 
+/* The number of bytes to put into a word in a listing.  This affects
+   the way the bytes are clumped together in the listing.  For
+   example, a value of 2 might print `1234 5678' where a value of 1
+   would print `12 34 56 78'.  The default value is 4.  */
 #define LISTING_WORD_SIZE 2
-/*   The number of bytes to put into a word in a listing.  This affects
-     the way the bytes are clumped together in the listing.  For
-     example, a value of 2 might print `1234 5678' where a value of 1
-     would print `12 34 56 78'.  The default value is 4.  */
 
-#define LEX_DOLLAR 0
 /* AVR port uses `$' as a logical line separator */
+#define LEX_DOLLAR 0
 
+/* An `.lcomm' directive with no explicit alignment parameter will
+   use this macro to set P2VAR to the alignment that a request for
+   SIZE bytes will have.  The alignment is expressed as a power of
+   two.  If no alignment should take place, the macro definition
+   should do nothing.  Some targets define a `.bss' directive that is
+   also affected by this macro.  The default definition will set
+   P2VAR to the truncated power of two of sizes up to eight bytes.  */
 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 0
-/*   An `.lcomm' directive with no explicit alignment parameter will
-     use this macro to set P2VAR to the alignment that a request for
-     SIZE bytes will have.  The alignment is expressed as a power of
-     two.  If no alignment should take place, the macro definition
-     should do nothing.  Some targets define a `.bss' directive that is
-     also affected by this macro.  The default definition will set
-     P2VAR to the truncated power of two of sizes up to eight bytes.  */