20000317 sourceware import

4 files changed, 442 insertions, 0 deletions

diff --git a/libgloss/sh/sh1lcevb.ld b/libgloss/sh/sh1lcevb.ld
new file mode 100644
index 000000000..efe9ab3c7
--- /dev/null
+++ b/libgloss/sh/sh1lcevb.ld
@@ -0,0 +1,113 @@
+/* Linker script for the SH1 Low-Cost Eval Board. */
+
+SEARCH_DIR(.)
+GROUP(-lc -lgcc)
+__DYNAMIC  =  0;
+
+/* The location of RAM comes from the manual.  We also leave an 8K pad
+   for the monitor's own working data and stack.  Note that the smallest
+   boards only have 64K of RAM, so no room for SPEC benchmarks here! */
+
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0xa002000, LENGTH = 0x10000
+}
+
+/* Put the stack up high. */
+/* (Commented out because it doesn't seem to work right) */
+/*PROVIDE (__stack = 0xa00ff00);*/
+
+/* 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 cover a.out (which prepends
+   an underscore) and coff object file formats. */
+
+PROVIDE (hardware_init_hook = 0);
+PROVIDE (_hardware_init_hook = 0);
+PROVIDE (software_init_hook = 0);
+PROVIDE (_software_init_hook = 0);
+
+/* Put everything in ram (of course).  */
+
+SECTIONS
+{
+  .text :
+  {
+    *(.text)
+    . = ALIGN(0x4);
+     __CTOR_LIST__ = .;
+    LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
+    ___ctors = .;
+    *(.ctors)
+    ___ctors_end = .;
+    LONG(0)
+    __CTOR_END__ = .;
+    __DTOR_LIST__ = .;
+    LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
+    ___dtors = .;
+    *(.dtors)
+    ___dtors_end = .;
+     LONG(0)
+    __DTOR_END__ = .;
+    *(.rodata)
+    *(.gcc_except_table) 
+
+     _etext = .;
+    *(.lit)
+  } > ram
+
+  .data BLOCK (0x4) :
+  {
+    *(.shdata)
+    *(.data)
+    _edata = .;
+  } > ram
+
+  .bss BLOCK (0x4) :
+  {
+    __bss_start = . ;
+    *(.shbss)
+    *(.bss)
+    *(COMMON)
+    _end =  ALIGN (0x8);
+    __end = _end;
+  } > ram
+
+  /* I know, I know, stack sections are supposed to be useless; but
+     this actually worked for me, as opposed to the PROVIDE. */
+  .stack 0xa00ff00 :
+  {
+	__stack = .;
+  } > ram
+
+  .stab 0 (NOLOAD) : { *(.stab) }
+  .stabstr 0 (NOLOAD) : { *(.stabstr) }
+
+  /* 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) }
+}
diff --git a/libgloss/sh/sh2lcevb.ld b/libgloss/sh/sh2lcevb.ld
new file mode 100644
index 000000000..8ae7f316a
--- /dev/null
+++ b/libgloss/sh/sh2lcevb.ld
@@ -0,0 +1,109 @@
+/* Linker script for the SH2 Low-Cost Eval Board. */
+
+SEARCH_DIR(.)
+GROUP(-lc -lgcc)
+__DYNAMIC  =  0;
+
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x4004000, LENGTH = 0x40000
+}
+
+/* Put the stack up high. */
+/* (Commented out because it doesn't seem to work right) */
+/*PROVIDE (__stack = 0x403ff00);*/
+
+/* 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 cover a.out (which prepends
+   an underscore) and coff object file formats. */
+
+PROVIDE (hardware_init_hook = 0);
+PROVIDE (_hardware_init_hook = 0);
+PROVIDE (software_init_hook = 0);
+PROVIDE (_software_init_hook = 0);
+
+/* Put everything in ram (of course).  */
+
+SECTIONS
+{
+  .text :
+  {
+    *(.text)
+    . = ALIGN(0x4);
+     __CTOR_LIST__ = .;
+    LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
+    ___ctors = .;
+    *(.ctors)
+    ___ctors_end = .;
+    LONG(0)
+    __CTOR_END__ = .;
+    __DTOR_LIST__ = .;
+    LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
+    ___dtors = .;
+    *(.dtors)
+    ___dtors_end = .;
+     LONG(0)
+    __DTOR_END__ = .;
+    *(.rodata)
+    *(.gcc_except_table) 
+
+     _etext = .;
+    *(.lit)
+  } > ram
+
+  .data BLOCK (0x4) :
+  {
+    *(.shdata)
+    *(.data)
+    _edata = .;
+  } > ram
+
+  .bss BLOCK (0x4) :
+  {
+    __bss_start = . ;
+    *(.shbss)
+    *(.bss)
+    *(COMMON)
+    _end =  ALIGN (0x8);
+    __end = _end;
+  } > ram
+
+  /* I know, I know, stack sections are supposed to be useless; but
+     this actually worked for me, as opposed to the PROVIDE. */
+  .stack 0x403ff00 :
+  {
+	__stack = .;
+  } > ram
+
+  .stab 0 (NOLOAD) : { *(.stab) }
+  .stabstr 0 (NOLOAD) : { *(.stabstr) }
+
+  /* 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) }
+}
diff --git a/libgloss/sh/sh3bb.ld b/libgloss/sh/sh3bb.ld
new file mode 100644
index 000000000..c3fc6574e
--- /dev/null
+++ b/libgloss/sh/sh3bb.ld
@@ -0,0 +1,111 @@
+/* Linker script for the "SH3 Target System", also known as "the big box". */
+
+/*STARTUP(crt0.o) */
+/*OUTPUT_ARCH(shl)*/
+SEARCH_DIR(.)
+GROUP(-lc -lgcc)
+__DYNAMIC  =  0;
+
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0xc008000, LENGTH = 0x2000000
+}
+
+/* Put the stack up high. */
+/* (Commented out because it doesn't seem to work right) */
+/*PROVIDE (__stack = 0xc800000);*/
+
+/* 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 cover a.out (which prepends
+   an underscore) and coff object file formats. */
+
+PROVIDE (hardware_init_hook = 0);
+PROVIDE (_hardware_init_hook = 0);
+PROVIDE (software_init_hook = 0);
+PROVIDE (_software_init_hook = 0);
+
+/* Put everything in ram (of course).  */
+
+SECTIONS
+{
+  .text :
+  {
+    *(.text)
+    . = ALIGN(0x4);
+     __CTOR_LIST__ = .;
+    LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
+    ___ctors = .;
+    *(.ctors)
+    ___ctors_end = .;
+    LONG(0)
+    __CTOR_END__ = .;
+    __DTOR_LIST__ = .;
+    LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
+    ___dtors = .;
+    *(.dtors)
+    ___dtors_end = .;
+     LONG(0)
+    __DTOR_END__ = .;
+    *(.rodata)
+    *(.gcc_except_table) 
+
+     _etext = .;
+    *(.lit)
+  } > ram
+
+  .data BLOCK (0x4) :
+  {
+    *(.shdata)
+    *(.data)
+    _edata = .;
+  } > ram
+
+  .bss BLOCK (0x4) :
+  {
+    __bss_start = . ;
+    *(.shbss)
+    *(.bss)
+    *(COMMON)
+    _end =  ALIGN (0x8);
+    __end = _end;
+  } > ram
+
+  /* I know, I know, stack sections are supposed to be useless; but
+     this actually worked for me, as opposed to the PROVIDE. */
+  .stack 0xc800000 :
+  {
+	__stack = .;
+  } > ram
+
+  .stab 0 (NOLOAD) : { *(.stab) }
+  .stabstr 0 (NOLOAD) : { *(.stabstr) }
+
+  /* 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) }
+}
diff --git a/libgloss/sh/sh3lcevb.ld b/libgloss/sh/sh3lcevb.ld
new file mode 100644
index 000000000..0129921b1
--- /dev/null
+++ b/libgloss/sh/sh3lcevb.ld
@@ -0,0 +1,109 @@
+/* Linker script for the SH3 Low-Cost Eval Board. */
+
+SEARCH_DIR(.)
+GROUP(-lc -lgcc)
+__DYNAMIC  =  0;
+
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x8004000, LENGTH = 0x2000000
+}
+
+/* Put the stack up high. */
+/* (Commented out because it doesn't seem to work right) */
+/*PROVIDE (__stack = 0x8100000);*/
+
+/* 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 cover a.out (which prepends
+   an underscore) and coff object file formats. */
+
+PROVIDE (hardware_init_hook = 0);
+PROVIDE (_hardware_init_hook = 0);
+PROVIDE (software_init_hook = 0);
+PROVIDE (_software_init_hook = 0);
+
+/* Put everything in ram (of course).  */
+
+SECTIONS
+{
+  .text :
+  {
+    *(.text)
+    . = ALIGN(0x4);
+     __CTOR_LIST__ = .;
+    LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
+    ___ctors = .;
+    *(.ctors)
+    ___ctors_end = .;
+    LONG(0)
+    __CTOR_END__ = .;
+    __DTOR_LIST__ = .;
+    LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
+    ___dtors = .;
+    *(.dtors)
+    ___dtors_end = .;
+     LONG(0)
+    __DTOR_END__ = .;
+    *(.rodata)
+    *(.gcc_except_table) 
+
+     _etext = .;
+    *(.lit)
+  } > ram
+
+  .data BLOCK (0x4) :
+  {
+    *(.shdata)
+    *(.data)
+    _edata = .;
+  } > ram
+
+  .bss BLOCK (0x4) :
+  {
+    __bss_start = . ;
+    *(.shbss)
+    *(.bss)
+    *(COMMON)
+    _end =  ALIGN (0x8);
+    __end = _end;
+  } > ram
+
+  /* I know, I know, stack sections are supposed to be useless; but
+     this actually worked for me, as opposed to the PROVIDE. */
+  .stack 0x8100000 :
+  {
+	__stack = .;
+  } > ram
+
+  .stab 0 (NOLOAD) : { *(.stab) }
+  .stabstr 0 (NOLOAD) : { *(.stabstr) }
+
+  /* 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) }
+}