svn commit: trunk/uClibc/ldso/ldso/bfin

[bernds at uclibc.org]

Author: bernds
Date: 2008-01-18 05:46:58 -0800 (Fri, 18 Jan 2008)
New Revision: 20872

Log:
Update dl-inlines.h from Blackfin repository.


Modified:
   trunk/uClibc/ldso/ldso/bfin/dl-inlines.h


Changeset:
Modified: trunk/uClibc/ldso/ldso/bfin/dl-inlines.h
===================================================================
--- trunk/uClibc/ldso/ldso/bfin/dl-inlines.h	2008-01-18 13:14:19 UTC (rev 20871)
+++ trunk/uClibc/ldso/ldso/bfin/dl-inlines.h	2008-01-18 13:46:58 UTC (rev 20872)
@@ -18,7 +18,7 @@
 the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
 USA.  */
 
-#include <bits/bfin_sram.h>
+#include <bfin_sram.h>
 
 #ifndef _dl_assert
 # define _dl_assert(expr)
@@ -463,6 +463,17 @@
       struct elf32_fdpic_loadseg *segdata;
       ssize_t offs;
       segdata = loadaddr.map->segs + i;
+
+      /* FIXME:
+        A more cleaner way is to add type for struct elf32_fdpic_loadseg,
+        and release the memory according to the type.
+        Currently, we hardcode the memory address of L1 SRAM.  */
+      if ((segdata->addr & 0xff800000) == 0xff800000)
+       {
+         _dl_sram_free ((void *)segdata->addr);
+         continue;
+       }
+
       offs = (segdata->p_vaddr & ADDR_ALIGN);
       _dl_munmap ((void*)segdata->addr - offs,
 		  segdata->p_memsz + offs);
@@ -493,7 +504,15 @@
       && !(ppnt->p_flags & PF_X))
     return 1;
 
-  return 0;	
+  /* 0xff700000, 0xff800000, 0xff900000 and 0xffa00000 are also used in
+     GNU ld and linux kernel. They need to be keep synchronized.  */
+  if (ppnt->p_vaddr == 0xff700000
+      || ppnt->p_vaddr == 0xff800000
+      || ppnt->p_vaddr == 0xff900000
+      || ppnt->p_vaddr == 0xffa00000)
+    return 1;
+
+  return 0;
 }
 
 inline static char *
@@ -505,7 +524,7 @@
   char *status, *tryaddr, *l1addr;
   size_t size;
 
-  if ((epnt->e_flags & EF_BFIN_CODE_IN_L1)
+  if (((epnt->e_flags & EF_BFIN_CODE_IN_L1) || ppnt->p_vaddr == 0xffa00000)
       && !(ppnt->p_flags & PF_W)
       && (ppnt->p_flags & PF_X)) {
     status = (char *) _dl_mmap
@@ -522,20 +541,32 @@
       _dl_dma_memcpy (l1addr, status + (ppnt->p_vaddr & ADDR_ALIGN), ppnt->p_filesz);
     _dl_munmap (status, size);
     if (l1addr == NULL)
-      return NULL;
+      _dl_dprintf(2, "%s:%i: L1 allocation failed\n", _dl_progname, __LINE__);
     return l1addr;
   }
 
-  if ((epnt->e_flags & EF_BFIN_DATA_IN_L1)
+  if (((epnt->e_flags & EF_BFIN_DATA_IN_L1)
+       || ppnt->p_vaddr == 0xff700000
+       || ppnt->p_vaddr == 0xff800000
+       || ppnt->p_vaddr == 0xff900000)
       && (ppnt->p_flags & PF_W)
       && !(ppnt->p_flags & PF_X)) {
-    l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_SRAM);
-    if (l1addr == NULL
-	|| (_DL_PREAD (infile, l1addr, ppnt->p_filesz, ppnt->p_offset)
-	    != ppnt->p_filesz))
-      return NULL;
-    if (ppnt->p_filesz < ppnt->p_memsz)
-      _dl_memset (l1addr + ppnt->p_filesz, 0, ppnt->p_memsz - ppnt->p_filesz);
+    if (ppnt->p_vaddr == 0xff800000)
+      l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_A_SRAM);
+    else if (ppnt->p_vaddr == 0xff900000)
+      l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_B_SRAM);
+    else
+      l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_SRAM);
+    if (l1addr == NULL) {
+      _dl_dprintf(2, "%s:%i: L1 allocation failed\n", _dl_progname, __LINE__);
+    } else {
+      if (_DL_PREAD (infile, l1addr, ppnt->p_filesz, ppnt->p_offset) != ppnt->p_filesz) {
+        _dl_sram_free (l1addr);
+        return NULL;
+      }
+      if (ppnt->p_filesz < ppnt->p_memsz)
+       _dl_memset (l1addr + ppnt->p_filesz, 0, ppnt->p_memsz - ppnt->p_filesz);
+    }
     return l1addr;
   }