z80 comments in archures.c

[deliverable/binutils-gdb.git] / bfd / bfd-in2.h

diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index ceb53d5b4d011a6de90df00d1af2918a7053c961..6b30f5fbd80666b0ba9502ba1026e4c2f60a52d7 100644 (file)
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -795,6 +795,10 @@ typedef struct bfd_section
   /* A unique sequence number.  */
   unsigned int id;
 
+  /* A unique section number which can be used by assembler to
+     distinguish different sections with the same section name.  */
+  unsigned int section_id;
+
   /* Which section in the bfd; 0..n-1 as sections are created in a bfd.  */
   unsigned int index;
 
@@ -928,6 +932,10 @@ typedef struct bfd_section
      else up the line will take care of it later.  */
 #define SEC_LINKER_CREATED           0x100000
 
+  /* This section contains a section ID to distinguish different
+     sections with the same section name.  */
+#define SEC_ASSEMBLER_SECTION_ID     0x100000
+
   /* This section should not be subject to garbage collection.
      Also set to inform the linker that this section should not be
      listed in the link map as discarded.  */
@@ -1177,10 +1185,12 @@ typedef struct bfd_section
   /* Early in the link process, map_head and map_tail are used to build
      a list of input sections attached to an output section.  Later,
      output sections use these fields for a list of bfd_link_order
-     structs.  */
+     structs.  The linked_to_symbol_name field is for ELF assembler
+     internal use.  */
   union {
     struct bfd_link_order *link_order;
     struct bfd_section *s;
+    const char *linked_to_symbol_name;
   } map_head, map_tail;
 } asection;
 
@@ -1329,8 +1339,8 @@ discarded_section (const asection *sec)
 }
 
 #define BFD_FAKE_SECTION(SEC, SYM, NAME, IDX, FLAGS)                   \
-  /* name, id,  index, next, prev, flags, user_set_vma,            */  \
-  {  NAME, IDX, 0,     NULL, NULL, FLAGS, 0,                           \
+  /* name, id,  section_id, index, next, prev, flags, user_set_vma, */ \
+  {  NAME, IDX, 0,          0,     NULL, NULL, FLAGS, 0,               \
                                                                        \
   /* linker_mark, linker_has_input, gc_mark, decompress_status,    */  \
      0,           0,                1,       0,                        \
@@ -1615,7 +1625,6 @@ enum bfd_architecture
 #define bfd_mach_h8300sx       6
 #define bfd_mach_h8300sxn      7
   bfd_arch_pdp11,     /* DEC PDP-11.  */
-  bfd_arch_plugin,
   bfd_arch_powerpc,   /* PowerPC.  */
 #define bfd_mach_ppc           32
 #define bfd_mach_ppc64         64
@@ -1888,10 +1897,25 @@ enum bfd_architecture
   bfd_arch_xtensa,    /* Tensilica's Xtensa cores.  */
 #define bfd_mach_xtensa        1
   bfd_arch_z80,
-#define bfd_mach_z80strict     1 /* No undocumented opcodes.  */
-#define bfd_mach_z80           3 /* With ixl, ixh, iyl, and iyh.  */
-#define bfd_mach_z80full       7 /* All undocumented instructions.  */
-#define bfd_mach_r800          11 /* R800: successor with multiplication.  */
+/* Zilog Z80 without undocumented opcodes.  */
+#define bfd_mach_z80strict     1
+/* Zilog Z180: successor with additional instructions, but without
+ halves of ix and iy.  */
+#define bfd_mach_z180          2
+/* Zilog Z80 with ixl, ixh, iyl, and iyh.  */
+#define bfd_mach_z80           3
+/* Zilog eZ80 (successor of Z80 & Z180) in Z80 (16-bit address) mode.  */
+#define bfd_mach_ez80_z80      4
+/* Zilog eZ80 (successor of Z80 & Z180) in ADL (24-bit address) mode.  */
+#define bfd_mach_ez80_adl      5
+/* Z80N */
+#define bfd_mach_z80n          6
+/* Zilog Z80 with all undocumented instructions.  */
+#define bfd_mach_z80full       7
+/* GameBoy Z80 (reduced instruction set).  */
+#define bfd_mach_gbz80         8
+/* ASCII R800: successor with multiplication.  */
+#define bfd_mach_r800          11
   bfd_arch_lm32,      /* Lattice Mico32.  */
 #define bfd_mach_lm32          1
   bfd_arch_microblaze,/* Xilinx MicroBlaze.  */
@@ -5270,6 +5294,27 @@ BFD_RELOC_XTENSA_ASM_EXPAND.  */
 /* 8 bit signed offset in (ix+d) or (iy+d).  */
   BFD_RELOC_Z80_DISP8,
 
+/* First 8 bits of multibyte (32, 24 or 16 bit) value.  */
+  BFD_RELOC_Z80_BYTE0,
+
+/* Second 8 bits of multibyte (32, 24 or 16 bit) value.  */
+  BFD_RELOC_Z80_BYTE1,
+
+/* Third 8 bits of multibyte (32 or 24 bit) value.  */
+  BFD_RELOC_Z80_BYTE2,
+
+/* Fourth 8 bits of multibyte (32 bit) value.  */
+  BFD_RELOC_Z80_BYTE3,
+
+/* Lowest 16 bits of multibyte (32 or 24 bit) value.  */
+  BFD_RELOC_Z80_WORD0,
+
+/* Highest 16 bits of multibyte (32 or 24 bit) value.  */
+  BFD_RELOC_Z80_WORD1,
+
+/* Like BFD_RELOC_16 but big-endian.  */
+  BFD_RELOC_Z80_16_BE,
+
 /* DJNZ offset.  */
   BFD_RELOC_Z8K_DISP7,