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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.
This commit is contained in:
Eric Christopher 2001-09-14 18:40:47 +00:00
parent 696a88a431
commit bf0338856a
5 changed files with 349 additions and 7 deletions
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9
libgloss/ChangeLog
View File

@ -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.

10
libgloss/mips/configure vendored
View File

@ -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

10
libgloss/mips/configure.in
View File

@ -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}
)

164
libgloss/mips/idt32.ld Normal file
View File

@ -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) }
}

163
libgloss/mips/idt64.ld Normal file
View File

@ -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) }
}