2001-09-14 Eric Christopher <echristo@redhat.com>

* mips/configure.in: Add mipsisa32 support.
        * mips/configure: Regenerate.
        * mips/idt32.ld: New file.
        * mips/idt64.ld: New file.

libgloss/ChangeLog

@@ -1,3 +1,10 @@
+2001-09-14  Eric Christopher  <echristo@redhat.com>
+
+	* mips/configure.in: Add mipsisa32 support.
+	* mips/configure: Regenerate.
+	* mips/idt32.ld: New file.
+	* mips/idt64.ld: New file.
+
 2001-09-11  Michael Meissner  <meissner@redhat.com>
 
 	* mips/crt0.S (_start): If -mfp32, don't enable 64-bit floating
@@ -18,7 +25,7 @@
 	idpgdb-test.srec, idpgdb-test.dis, idpgdb-test): New rules.
 	(install): Install the IDPGDB stuff, too.
 
-2001-03-30  Richard Henderson  <rth@redhat.com>
+2001-08-30  Richard Henderson  <rth@redhat.com>
 	    Eric Christopher  <echristo@redhat.com>
 
 	* mips/crt0.S: Fix for .init/.fini sections.

libgloss/mips/configure

@@ -731,7 +731,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 # FIXME: We temporarily define our own version of AC_PROG_CC.  This is
 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
-# are building a library that must be included in all links, so we 
+# are building a library that must be included in all links, so we
 # can't link an executable until this lib is built.
 # autoconf should provide a way to do this.
 
@@ -929,6 +929,12 @@ case "${target}" in
         script_list="idt pmon ddb lsi idtecoff nullmon"
         bsp_list="libidt.a libpmon.a liblsi.a libnullmon.a"
 	;;
+  mipsisa32-*-*)
+        part_specific_obj=
+        part_specific_defines=
+        script_list="idt32 idt64"
+        bsp_list="libidt.a"
+        ;;
   *)
         part_specific_obj="vr4300.o cma101.o"
 	part_specific_defines=
@@ -1250,5 +1256,3 @@ chmod +x $CONFIG_STATUS
 rm -fr confdefs* $ac_clean_files
 test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
 
-
-

libgloss/mips/configure.in

@@ -37,7 +37,7 @@ AC_PROG_INSTALL
 
 # FIXME: We temporarily define our own version of AC_PROG_CC.  This is
 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
-# are building a library that must be included in all links, so we 
+# are building a library that must be included in all links, so we
 # can't link an executable until this lib is built.
 # autoconf should provide a way to do this.
 
@@ -104,6 +104,12 @@ case "${target}" in
         script_list="idt pmon ddb lsi idtecoff nullmon"
         bsp_list="libidt.a libpmon.a liblsi.a libnullmon.a"
 	;;
+  mipsisa32-*-*)
+        part_specific_obj=
+        part_specific_defines=
+        script_list="idt32 idt64"
+        bsp_list="libidt.a"
+        ;;
   *)
         part_specific_obj="vr4300.o cma101.o"
 	part_specific_defines=
@@ -140,5 +146,3 @@ ac_configure_args="${ac_configure_args} --enable-multilib"
 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 libgloss_topdir=${libgloss_topdir}
 )
-
-

libgloss/mips/idt32.ld

@@ -0,0 +1,164 @@
+/* The following TEXT start address leaves space for the monitor
+   workspace.  This linker script links isa32 programs for use with the
+   simulator.  */
+
+ENTRY(_start)
+OUTPUT_ARCH("mips:isa32")
+OUTPUT_FORMAT("elf32-littlemips", "elf32-bigmips", "elf32-littlemips")
+GROUP(-lc -lidt -lgcc)
+SEARCH_DIR(.)
+__DYNAMIC  =  0;
+STARTUP(crt0.o)
+
+/*
+ * Allocate the stack to be at the top of memory, since the stack
+ * grows down
+ */
+PROVIDE (__stack = 0);
+/* PROVIDE (__global = 0); */
+
+/*
+ * Initalize some symbols to be zero so we can reference them in the
+ * crt0 without core dumping. These functions are all optional, but
+ * we do this so we can have our crt0 always use them if they exist.
+ * This is so BSPs work better when using the crt0 installed with gcc.
+ * We have to initalize them twice, so we multiple object file
+ * formats, as some prepend an underscore.
+ */
+PROVIDE (hardware_init_hook = 0);
+PROVIDE (software_init_hook = 0);
+
+SECTIONS
+{
+  . = 0x80020000;
+  .text : {
+     _ftext = . ;
+    PROVIDE (eprol  =  .);
+    *(.text)
+    *(.text.*)
+    *(.gnu.linkonce.t*)
+    *(.mips16.fn.*)
+    *(.mips16.call.*)
+  }
+  .init : {
+    *(.init)
+  }
+  .fini : {
+    *(.fini)
+  }
+  .rel.sdata : {
+    PROVIDE (__runtime_reloc_start = .);
+    *(.rel.sdata)
+    PROVIDE (__runtime_reloc_stop = .);
+  }
+  PROVIDE (etext  =  .);
+  _etext  =  .;
+
+
+  .ctors    :
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+
+    KEEP (*crtbegin.o(.ctors))
+
+    /* We don't want to include the .ctor section from
+       from the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  }
+
+  .dtors    :
+  {
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+
+  . = .;
+  .rodata : {
+    *(.rdata)
+    *(.rodata)
+    *(.rodata.*)
+    *(.gnu.linkonce.r*)
+  }
+   _fdata = ALIGN(16);
+  .data : {
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d*)
+  }
+  . = ALIGN(8);
+  _gp = . + 0x8000;
+  __global = _gp;
+  .lit8 : {
+    *(.lit8)
+  }
+  .lit4 : {
+    *(.lit4)
+  }
+  .sdata : {
+    *(.sdata)
+    *(.sdata.*)
+    *(.gnu.linkonce.s*)
+  }
+  . = ALIGN(4);
+  PROVIDE (edata  =  .);
+  _edata  =  .;
+  _fbss = .;
+  .sbss : {
+    *(.sbss)
+    *(.scommon)
+  }
+  .bss : {
+    _bss_start = . ;
+    *(.bss)
+    *(COMMON)
+  }
+
+   PROVIDE (end = .);
+   _end = .;
+
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to
+     the beginning of the section so we begin them at 0.  */
+
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+}

libgloss/mips/idt64.ld

@@ -0,0 +1,163 @@
+/* The following TEXT start address leaves space for the monitor
+   workspace.  This linker script links isa32 programs for use with the
+   simulator.  */
+
+ENTRY(_start)
+OUTPUT_ARCH("mips:isa64")
+OUTPUT_FORMAT("elf32-littlemips", "elf32-bigmips", "elf32-littlemips")
+GROUP(-lc -lidt -lgcc)
+SEARCH_DIR(.)
+__DYNAMIC  =  0;
+STARTUP(crt0.o)
+
+/*
+ * Allocate the stack to be at the top of memory, since the stack
+ * grows down
+ */
+PROVIDE (__stack = 0);
+/* PROVIDE (__global = 0); */
+
+/*
+ * Initalize some symbols to be zero so we can reference them in the
+ * crt0 without core dumping. These functions are all optional, but
+ * we do this so we can have our crt0 always use them if they exist.
+ * This is so BSPs work better when using the crt0 installed with gcc.
+ * We have to initalize them twice, so we multiple object file
+ * formats, as some prepend an underscore.
+ */
+PROVIDE (hardware_init_hook = 0);
+PROVIDE (software_init_hook = 0);
+
+SECTIONS
+{
+  . = 0x80020000;
+  .text : {
+     _ftext = . ;
+    PROVIDE (eprol  =  .);
+    *(.text)
+    *(.text.*)
+    *(.gnu.linkonce.t*)
+    *(.mips16.fn.*)
+    *(.mips16.call.*)
+  }
+  .init : {
+    *(.init)
+  }
+  .fini : {
+    *(.fini)
+  }
+  .rel.sdata : {
+    PROVIDE (__runtime_reloc_start = .);
+    *(.rel.sdata)
+    PROVIDE (__runtime_reloc_stop = .);
+  }
+  PROVIDE (etext  =  .);
+  _etext  =  .;
+
+  .ctors    :
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+
+    KEEP (*crtbegin.o(.ctors))
+
+    /* We don't want to include the .ctor section from
+       from the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  }
+
+  .dtors    :
+  {
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+
+  . = .;
+  .rodata : {
+    *(.rdata)
+    *(.rodata)
+    *(.rodata.*)
+    *(.gnu.linkonce.r*)
+  }
+   _fdata = ALIGN(16);
+  .data : {
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d*)
+  }
+  . = ALIGN(8);
+  _gp = . + 0x8000;
+  __global = _gp;
+  .lit8 : {
+    *(.lit8)
+  }
+  .lit4 : {
+    *(.lit4)
+  }
+  .sdata : {
+    *(.sdata)
+    *(.sdata.*)
+    *(.gnu.linkonce.s*)
+  }
+  . = ALIGN(4);
+  PROVIDE (edata  =  .);
+  _edata  =  .;
+  _fbss = .;
+  .sbss : {
+    *(.sbss)
+    *(.scommon)
+  }
+  .bss : {
+    _bss_start = . ;
+    *(.bss)
+    *(COMMON)
+  }
+
+  PROVIDE (end = .);
+  _end = .;
+
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to
+     the beginning of the section so we begin them at 0.  */
+
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+}