* elf32-mips.c (enum reloc_type): Define new relocs used on Irix.

	(elf_mips_howto_table): Add entries for new relocs.
	(mips_elf_section_from_shdr): Handle SHT_MIPS_MSYM,
	SHT_MIPS_DWARF, and SHT_MIPS_EVENTS.
	(mips_elf_fake_sections): Handle sections named .msym, .debug_*
	and .MIPS.events.*.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index cf96324..bbd4347 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,14 @@
+Tue Jan 17 10:52:32 1995  Ian Lance Taylor  <ian@sanguine.cygnus.com>
+
+       * elf32-mips.c (enum reloc_type): Define new relocs used on Irix.
+       (elf_mips_howto_table): Add entries for new relocs.
+       (mips_elf_section_from_shdr): Handle SHT_MIPS_MSYM,
+       SHT_MIPS_DWARF, and SHT_MIPS_EVENTS.
+       (mips_elf_fake_sections): Handle sections named .msym, .debug_*
+       and .MIPS.events.*.
+
+       * srec.c (srec_init): Remove unused local variable i.
+
 Sat Jan 14 19:09:48 1995  Steve Chamberlain  <sac@jonny>
 
        * archures.c, Makefile.in, targets.c, bfd-in2.h, coffcode.h,

diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c
index 544d0cd..af076e0 100644 (file)
--- a/bfd/elf32-mips.c
+++ b/bfd/elf32-mips.c
@@ -112,6 +112,18 @@ enum reloc_type
   R_MIPS_GPREL16,      R_MIPS_LITERAL,
   R_MIPS_GOT16,                R_MIPS_PC16,
   R_MIPS_CALL16,       R_MIPS_GPREL32,
+  /* The remaining relocs are defined on Irix, although they are not
+     in the MIPS ELF ABI.  */
+  R_MIPS_UNUSED1,      R_MIPS_UNUSED2,
+  R_MIPS_UNUSED3,
+  R_MIPS_SHIFT5,       R_MIPS_SHIFT6,
+  R_MIPS_64,           R_MIPS_GOT_DISP,
+  R_MIPS_GOT_PAGE,     R_MIPS_GOT_OFST,
+  R_MIPS_GOT_HI16,     R_MIPS_GOT_LO16,
+  R_MIPS_SUB,          R_MIPS_INSERT_A,
+  R_MIPS_INSERT_B,     R_MIPS_DELETE,
+  R_MIPS_HIGHER,       R_MIPS_HIGHEST,
+  R_MIPS_CALL_HI16,    R_MIPS_CALL_LO16,
   R_MIPS_max
 };
 
@@ -316,6 +328,172 @@ static reloc_howto_type elf_mips_howto_table[] =
         true,                  /* partial_inplace */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+    /* The remaining relocs are defined on Irix 5, although they are
+       not defined by the ABI.  */
+    { 13 },
+    { 14 },
+    { 15 },
+
+  /* A 5 bit shift field.  */
+  HOWTO (R_MIPS_SHIFT5,                /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        5,                     /* bitsize */
+        false,                 /* pc_relative */
+        6,                     /* bitpos */
+        complain_overflow_bitfield, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_SHIFT5",       /* name */
+        true,                  /* partial_inplace */
+        0x000007c0,            /* src_mask */
+        0x000007c0,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* A 6 bit shift field.  */
+  /* FIXME: This is not handled correctly; a special function is
+     needed to put the most significant bit in the right place.  */
+  HOWTO (R_MIPS_SHIFT6,                /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        6,                     /* bitsize */
+        false,                 /* pc_relative */
+        6,                     /* bitpos */
+        complain_overflow_bitfield, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_SHIFT6",       /* name */
+        true,                  /* partial_inplace */
+        0x000007c4,            /* src_mask */
+        0x000007c4,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* A 64 bit relocation.  Presumably not used in 32 bit ELF.  */
+  { R_MIPS_64 },
+
+  /* Displacement in the global offset table.  */
+  /* FIXME: Not handled correctly.  */
+  HOWTO (R_MIPS_GOT_DISP,      /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        16,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_bitfield, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_GOT_DISP",     /* name */
+        true,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* Displacement to page pointer in the global offset table.  */
+  /* FIXME: Not handled correctly.  */
+  HOWTO (R_MIPS_GOT_PAGE,      /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        16,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_bitfield, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_GOT_PAGE",     /* name */
+        true,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* Offset from page pointer in the global offset table.  */
+  /* FIXME: Not handled correctly.  */
+  HOWTO (R_MIPS_GOT_OFST,      /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        16,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_bitfield, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_GOT_OFST",     /* name */
+        true,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* High 16 bits of displacement in global offset table.  */
+  /* FIXME: Not handled correctly.  */
+  HOWTO (R_MIPS_GOT_HI16,      /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        16,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_GOT_HI16",     /* name */
+        true,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* Low 16 bits of displacement in global offset table.  */
+  /* FIXME: Not handled correctly.  */
+  HOWTO (R_MIPS_GOT_LO16,      /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        16,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_GOT_LO16",     /* name */
+        true,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* 64 bit subtraction.  Presumably not used in 32 bit ELF.  */
+  { R_MIPS_SUB },
+
+  /* Used to cause the linker to insert and delete instructions?  */
+  { R_MIPS_INSERT_A },
+  { R_MIPS_INSERT_B },
+  { R_MIPS_DELETE },
+
+  /* Get the higher values of a 64 bit addend.  Presumably not used in
+     32 bit ELF.  */
+  { R_MIPS_HIGHER },
+  { R_MIPS_HIGHEST },
+
+  /* High 16 bits of displacement in global offset table.  */
+  /* FIXME: Not handled correctly.  */
+  HOWTO (R_MIPS_CALL_HI16,     /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        16,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_CALL_HI16",    /* name */
+        true,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
+        false),                /* pcrel_offset */
+
+  /* Low 16 bits of displacement in global offset table.  */
+  /* FIXME: Not handled correctly.  */
+  HOWTO (R_MIPS_CALL_LO16,     /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        16,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_MIPS_CALL_LO16",    /* name */
+        true,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
         false)                 /* pcrel_offset */
 };
 
@@ -916,6 +1094,10 @@ mips_elf_section_from_shdr (abfd, hdr, name)
       if (strcmp (name, ".liblist") != 0)
        return false;
       break;
+    case SHT_MIPS_MSYM:
+      if (strcmp (name, ".msym") != 0)
+       return false;
+      break;
     case SHT_MIPS_CONFLICT:
       if (strcmp (name, ".conflict") != 0)
        return false;
@@ -941,6 +1123,14 @@ mips_elf_section_from_shdr (abfd, hdr, name)
       if (strcmp (name, ".options") != 0)
        return false;
       break;
+    case SHT_MIPS_DWARF:
+      if (strncmp (name, ".debug_", sizeof ".debug_" - 1) != 0)
+       return false;
+      break;
+    case SHT_MIPS_EVENTS:
+      if (strncmp (name, ".MIPS.events.", sizeof ".MIPS.events." - 1) != 0)
+       return false;
+      break;
     default:
       return false;
     }
@@ -996,6 +1186,12 @@ mips_elf_fake_sections (abfd, hdr, sec)
       hdr->sh_info = sec->_raw_size / sizeof (Elf32_Lib);
       /* FIXME: Set the sh_link field.  */
     }
+  else if (strcmp (name, ".msym") == 0)
+    {
+      hdr->sh_type = SHT_MIPS_MSYM;
+      hdr->sh_entsize = 8;
+      /* FIXME: Set the sh_info field.  */
+    }
   else if (strcmp (name, ".conflict") == 0)
     hdr->sh_type = SHT_MIPS_CONFLICT;
   else if (strncmp (name, ".gptab.", sizeof ".gptab." - 1) == 0)
@@ -1026,6 +1222,10 @@ mips_elf_fake_sections (abfd, hdr, sec)
       hdr->sh_type = SHT_MIPS_OPTIONS;
       hdr->sh_entsize = 1;
     }
+  else if (strncmp (name, ".debug_", sizeof ".debug_" - 1) == 0)
+    hdr->sh_type = SHT_MIPS_DWARF;
+  else if (strncmp (name, ".MIPS.events.", sizeof ".MIPS.events." - 1) == 0)
+    hdr->sh_type = SHT_MIPS_EVENTS;
 
   return true;
 }