bsps: Thread-local storage (TLS) for linkcmds

14 files changed, 215 insertions, 1 deletions

diff --git a/c/src/lib/libbsp/powerpc/beatnik/startup/linkcmds b/c/src/lib/libbsp/powerpc/beatnik/startup/linkcmds
index a186b6dcae..667e1937ce 100644
--- a/c/src/lib/libbsp/powerpc/beatnik/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/beatnik/startup/linkcmds
@@ -95,6 +95,20 @@ SECTIONS
   .fini			  : { _fini = .; *(.fini)	} >CODE
   .rodata         : { *(.rodata*) *(.gnu.linkonce.r*) }	> CODE
   .rodata1        : { *(.rodata1) }	> CODE
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >CODE
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >CODE
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
 _SDA2_BASE_ = __SDATA2_START__ + 0x8000;
   .sdata2         : { *(.sdata2) *(.gnu.linkonce.s2.*)  }	> CODE
   .sbss2          : { 
diff --git a/c/src/lib/libbsp/powerpc/ep1a/startup/linkcmds b/c/src/lib/libbsp/powerpc/ep1a/startup/linkcmds
index 61df06a1ac..0f4d247098 100644
--- a/c/src/lib/libbsp/powerpc/ep1a/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/ep1a/startup/linkcmds
@@ -64,6 +64,20 @@ SECTIONS
   .fini		  : { _fini = .; *(.fini)	}
   .rodata  	  : { *(.rodata*) *(.gnu.linkonce.r*) }
   .rodata1	  : { *(.rodata1) }
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  }
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  }
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
   .eh_frame	  : { *(.eh_frame) }
   _etext = .;
   PROVIDE (etext = .);
diff --git a/c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.base b/c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.base
index 637a97324a..0cb5692ca2 100644
--- a/c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.base
+++ b/c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.base
@@ -121,6 +121,21 @@ SECTIONS {
 		PROVIDE (etext = .);
 	} > RAM
 
+	.tdata : {
+		_TLS_Data_begin = .;
+		*(.tdata .tdata.* .gnu.linkonce.td.*)
+		_TLS_Data_end = .;
+	} > RAM
+	.tbss : {
+		_TLS_BSS_begin = .;
+		*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+		_TLS_BSS_end = .;
+	} > RAM
+	_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+	_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+	_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+	_TLS_Alignment = ALIGNOF (.tdata);
+
 	.sdata2 : {
 		PROVIDE (_SDA2_BASE_ = 32768);
 
diff --git a/c/src/lib/libbsp/powerpc/haleakala/startup/linkcmds b/c/src/lib/libbsp/powerpc/haleakala/startup/linkcmds
index 788a347485..3c7942e884 100644
--- a/c/src/lib/libbsp/powerpc/haleakala/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/haleakala/startup/linkcmds
@@ -141,6 +141,23 @@ SECTIONS
 
   text.size = text.end - text.start;
 
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >RAM
+
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >RAM
+
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
+
   .jcr : { KEEP (*(.jcr)) } >RAM
 
     .rel.dyn : {
diff --git a/c/src/lib/libbsp/powerpc/mbx8xx/startup/linkcmds b/c/src/lib/libbsp/powerpc/mbx8xx/startup/linkcmds
index 54e728e913..9307a9e8cc 100644
--- a/c/src/lib/libbsp/powerpc/mbx8xx/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/mbx8xx/startup/linkcmds
@@ -138,6 +138,23 @@ SECTIONS
     PROVIDE (etext = .);
     PROVIDE (__etext = .);
  } > ram
+
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >ram
+
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >ram
+
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
  
   .rel.dyn        :
     {
diff --git a/c/src/lib/libbsp/powerpc/mpc8260ads/startup/linkcmds b/c/src/lib/libbsp/powerpc/mpc8260ads/startup/linkcmds
index 444420a87c..0ff192ed82 100644
--- a/c/src/lib/libbsp/powerpc/mpc8260ads/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/mpc8260ads/startup/linkcmds
@@ -140,6 +140,23 @@ SECTIONS
 
     } > ram
 
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >ram
+
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >ram
+
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
+
 
   .rel.dyn        :
     {
diff --git a/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds b/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds
index 7744ce699b..079d3fcce5 100644
--- a/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds
@@ -76,6 +76,21 @@ SECTIONS
   PROVIDE (__DTOR_END__ = .);
   .jcr            : { KEEP (*(.jcr))	} > ROM =0
 
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >ROM =0
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >ROM =0
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
+
   .rodata :
   {
     *(.rodata .rodata.* .gnu.linkonce.r.*)
diff --git a/c/src/lib/libbsp/powerpc/score603e/startup/linkcmds b/c/src/lib/libbsp/powerpc/score603e/startup/linkcmds
index 0c28ace48e..d1da9a2948 100644
--- a/c/src/lib/libbsp/powerpc/score603e/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/score603e/startup/linkcmds
@@ -103,6 +103,20 @@ SECTIONS
   .fini		  : { _fini = .; __fini = .; *(.fini)		} >RAM
   .rodata  	  : { *(.rodata*) *(.gnu.linkonce.r*) } >RAM
   .rodata1	  : { *(.rodata1)		} >RAM
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >RAM
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >RAM
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
   .eh_frame	  : { *(.eh_frame)		} >RAM
   _etext = .;
   PROVIDE (_etext = .);
diff --git a/c/src/lib/libbsp/powerpc/shared/startup/linkcmds b/c/src/lib/libbsp/powerpc/shared/startup/linkcmds
index f2860d52ad..df5affb54d 100644
--- a/c/src/lib/libbsp/powerpc/shared/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/shared/startup/linkcmds
@@ -80,6 +80,23 @@ SECTIONS
   .rodata         : { *(.rodata*) *(.gnu.linkonce.r*) }	> CODE
   .rodata1        : { *(.rodata1) }	> CODE
 
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >CODE
+
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >CODE
+
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
+
   /* Adjust the address for the data segment.  We want to adjust up to
      the same address within the page on the next page up.  */
   . = ALIGN(0x10000) + (. & (0x10000 - 1));
diff --git a/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base b/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base
index cfdc02542a..ae29cb7b7c 100644
--- a/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base
+++ b/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base
@@ -109,11 +109,19 @@ SECTIONS {
 		*(.gcc_except_table .gcc_except_table.*)
 	} > REGION_RODATA AT > REGION_RODATA_LOAD
 	.tdata : ALIGN_WITH_INPUT {
+		_TLS_Data_begin = .;
 		*(.tdata .tdata.* .gnu.linkonce.td.*)
+		_TLS_Data_end = .;
 	} > REGION_RODATA AT > REGION_RODATA_LOAD
 	.tbss : ALIGN_WITH_INPUT {
+		_TLS_BSS_begin = .;
 		*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+		_TLS_BSS_end = .;
 	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+	_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+	_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+	_TLS_Alignment = ALIGNOF (.tdata);
 	.preinit_array : ALIGN_WITH_INPUT {
 		PROVIDE_HIDDEN (__preinit_array_start = .);
 		KEEP (*(.preinit_array))
diff --git a/c/src/lib/libbsp/powerpc/ss555/startup/linkcmds b/c/src/lib/libbsp/powerpc/ss555/startup/linkcmds
index f32140497e..45a18faed7 100644
--- a/c/src/lib/libbsp/powerpc/ss555/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/ss555/startup/linkcmds
@@ -132,6 +132,13 @@ SECTIONS
     text.end = .;
     PROVIDE (etext = .);
     PROVIDE (__etext = .);
+  }
+  text.size = text.end - text.start;
+
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
 
     /* 
      * .data section contents, copied to RAM at system startup. 
@@ -139,7 +146,15 @@ SECTIONS
     . = ALIGN(0x20);
     data.contents.start = .;
   }
-  text.size = text.end - text.start;
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  }
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
 
   /*
    * If debugging, stack the read/write sections directly after the text
diff --git a/c/src/lib/libbsp/powerpc/tqm8xx/startup/linkcmds.base b/c/src/lib/libbsp/powerpc/tqm8xx/startup/linkcmds.base
index d23e98abb4..ba6c1eade6 100644
--- a/c/src/lib/libbsp/powerpc/tqm8xx/startup/linkcmds.base
+++ b/c/src/lib/libbsp/powerpc/tqm8xx/startup/linkcmds.base
@@ -113,6 +113,23 @@ SECTIONS {
 		PROVIDE (etext = .);
 	} > RAM
 
+	.tdata : {
+		_TLS_Data_begin = .;
+		*(.tdata .tdata.* .gnu.linkonce.td.*)
+		_TLS_Data_end = .;
+	} > RAM
+
+	.tbss : {
+		_TLS_BSS_begin = .;
+		*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+		_TLS_BSS_end = .;
+	} > RAM
+
+	_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+	_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+	_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+	_TLS_Alignment = ALIGNOF (.tdata);
+
 	.sdata2 : {
 		PROVIDE (_SDA2_BASE_ = 32768);
 
diff --git a/c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds b/c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds
index 74a10aa079..ed8ef750f5 100644
--- a/c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/virtex4/startup/linkcmds
@@ -94,6 +94,23 @@ SECTIONS
   .rodata         : { *(.rodata.* .gnu.linkonce.r*)                    } > RAM
   .rodata1        : { *(.rodata1)                                      } > RAM
 
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >RAM
+
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >RAM
+
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
+
   /* Initialised small data addressed as offsets from r2 */
 _SDA2_BASE_ = __SDATA2_START__ + 0x8000;
   .sdata2         : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)          } > RAM
diff --git a/c/src/lib/libbsp/powerpc/virtex5/startup/linkcmds b/c/src/lib/libbsp/powerpc/virtex5/startup/linkcmds
index a92d9a1e5e..3929b21399 100644
--- a/c/src/lib/libbsp/powerpc/virtex5/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/virtex5/startup/linkcmds
@@ -94,6 +94,23 @@ SECTIONS
   .rodata         : { *(.rodata.* .gnu.linkonce.r*)                    } > RAM
   .rodata1        : { *(.rodata1)                                      } > RAM
 
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } >RAM
+
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } >RAM
+
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = ALIGNOF (.tdata);
+
   /* Initialised small data addressed as offsets from r2 */
 _SDA2_BASE_ = __SDATA2_START__ + 0x8000;
   .sdata2         : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)          } > RAM