X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=binutils%2Fembedspu.sh;h=6a0fbea3d1df644d43068b58d9a36b95e09f78f9;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=3269ab8610753a932fb0a21f84ff15b62cc1baca;hpb=48d8dc645fb3217a6cffa9a64717e07c046cb22e;p=deliverable%2Fbinutils-gdb.git

diff --git a/binutils/embedspu.sh b/binutils/embedspu.sh
index 3269ab8610..6a0fbea3d1 100644
--- a/binutils/embedspu.sh
+++ b/binutils/embedspu.sh
@@ -1,13 +1,13 @@
-#! /bin/sh 
+#! /bin/sh
 # Embed an SPU ELF executable into a PowerPC object file.
 #
-# Copyright 2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2006-2020 Free Software Foundation, Inc.
 #
 # This file is part of GNU Binutils.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
@@ -38,12 +38,12 @@ mydir=`dirname "$0"`
 find_prog ()
 {
   prog=`echo $1 | sed "$program_transform_name"`
-  which $prog > /dev/null 2> /dev/null && return 0
   prog="$mydir/$prog"
   test -x "$prog" && return 0
   prog="$mydir/$1"
   test -x "$prog" && return 0
   prog=`echo $1 | sed "$program_transform_name"`
+  which $prog > /dev/null 2> /dev/null && return 0
   return 1
 }
 
@@ -95,7 +95,7 @@ main ()
     CC="$prog"
   fi
 
-  # Find readelf.  Any old readelf should do.  We only want to read syms.
+  # Find readelf.  Any old readelf should do.
   find_prog readelf
   if test $? -ne 0; then
     if which readelf > /dev/null 2> /dev/null; then
@@ -119,8 +119,14 @@ main ()
   toe=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *\([0-9]*\)\] *\.toe *[PROGN]*BITS *\([0-9a-f]*\).*,\1 \2,p'`
   toe_addr=`echo $toe | sed -n -e 's,.* ,,p'`
   toe=`echo $toe | sed -n -e 's, .*,,p'`
+  has_ea=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *\([0-9]*\)\] *\._ea *PROGBITS.*,\1,p'`
+  # For loaded sections, pick off section number, address, and file offset
   sections=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *\([0-9]*\)\] *[^ ]* *PROGBITS *\([0-9a-f]*\) *\([0-9a-f]*\).*,\1 \2 \3,p'`
   sections=`echo ${sections}`
+  # For relocation sections, pick off file offset and info (points to
+  # section where relocs apply)
+  relas=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *[0-9]*\] *[^ ]* *RELA *[0-9a-f]* *0*\([0-9a-f][0-9a-f]*\).* \([0-9a-f][0-9a-f]*\) *[0-9a-f][0-9a-f]*$,\1 \2,p'`
+  relas=`echo ${relas}`
 
   # Build embedded SPU image.
   # 1. The whole SPU ELF file is written to .rodata.speelf
@@ -133,23 +139,20 @@ main ()
   #    sections.
   #    Find all _EAR_ symbols in .toe using readelf, sort by address, and
   #    write the address of the corresponding PowerPC symbol in a table
-  #    built in .data.spetoe.  For _EAE_ symbols not in .toe, create
+  #    built in .data.spetoe.  For _EAR_ symbols not in .toe, create
   #    .reloc commands to relocate their location directly.
-  # 3. Write a struct spe_program_handle to .data.
-  # 4. Write a table of _SPUEAR_ symbols.
+  # 3. Look for R_SPU_PPU32 and R_SPU_PPU64 relocations in the SPU ELF image
+  #    and create .reloc commands for them.
+  # 4. Write a struct spe_program_handle to .data.
+  # 5. Write a table of _SPUEAR_ symbols.
   ${CC} ${FLAGS} -x assembler-with-cpp -nostartfiles -nostdlib \
-	-Wa,-mbig -Wl,-r -Wl,-x -o ${OUTFILE} - <<EOF
- .section .rodata.speelf,"a",@progbits
- .p2align 7
-__speelf__:
- .incbin "${INFILE}"
-
+	-Wa,-mbig -Wa,-noexecstack -Wl,-r -Wl,-x -o ${OUTFILE} - <<EOF
  .section .data.spetoe,"aw",@progbits
  .p2align 7
 __spetoe__:
 `${READELF} -s -W ${INFILE} | grep ' _EAR_' | sort -k 2 | awk \
 'BEGIN { \
-	addr = strtonum ("0x" "'${toe_addr-0}'"); \
+	addr = strtonum ("0x" "'${toe_addr:-0}'"); \
 	split ("'"${sections}"'", s, " "); \
 	for (i = 1; i in s; i += 3) { \
 	    sec_off[s[i]] = strtonum ("0x" s[i+2]) - strtonum ("0x" s[i+1]); \
@@ -174,13 +177,55 @@ $7 != "'${toe}'" && $7 in sec_off { \
 	print "#else"; \
 	print " .reloc __speelf__+" strtonum ("0x" $2) + sec_off[$7] + 4 ", R_PPC_ADDR32, " ($8 == "_EAR_" ? "__speelf__" : substr($8, 6)); \
 	print "#endif"; \
+	if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \
 } \
 $7 != "'${toe}'" && ! $7 in sec_off { \
 	print "#error Section not found for " $8; \
 } \
 '`
+`test -z "${relas}" || ${READELF} -r -W ${INFILE} | awk \
+'BEGIN { \
+	split ("'"${sections}"'", s, " "); \
+	for (i = 1; i in s; i += 3) { \
+	    sec_off[s[i]] = strtonum ("0x" s[i+2]) - strtonum ("0x" s[i+1]); \
+	} \
+	split ("'"${relas}"'", s, " "); \
+	for (i = 1; i in s; i += 2) { \
+	    rela[s[i]] = strtonum (s[i+1]); \
+	} \
+} \
+/^Relocation section/ { \
+	sec = substr($6, 3); \
+} \
+$3 ~ /R_SPU_PPU/ { \
+	print "#ifdef _LP64"; \
+	print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] ", R_PPC64_ADDR" substr($3, 10) ", " ($5 != "" ? $5 "+0x" $7 : "__speelf__ + 0x" $4); \
+	print "#else"; \
+	print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + (substr($3, 10) == "64" ? 4 : 0)", R_PPC_ADDR32, " ($5 != "" ? $5 "+0x" $7 : "__speelf__ + 0x" $4); \
+	print "#endif"; \
+	if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \
+} \
+$3 ~ /unrecognized:/ { \
+	print "#ifdef _LP64"; \
+	print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] ", R_PPC64_ADDR" ($4 == "f" ? "64" : "32") ", " ($6 != "" ? $6 "+0x" $8 : "__speelf__ + 0x" $5); \
+	print "#else"; \
+	print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + ($4 == "f" ? 4 : 0)", R_PPC_ADDR32, " ($6 != "" ? $6 "+0x" $8 : "__speelf__ + 0x" $5); \
+	print "#endif"; \
+	if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \
+} \
+'`
+#if ${has_ea:-0}
+ .section .data.speelf,"aw",@progbits
+#elif defined (HAS_RELOCS) && (defined (__PIC__) || defined (__PIE__))
+ .section .data.rel.ro.speelf,"a",@progbits
+#else
+ .section .rodata.speelf,"a",@progbits
+#endif
+ .p2align 7
+__speelf__:
+ .incbin "${INFILE}"
 
- .section .data,"aw",@progbits
+ .section .data.spehandle,"aw",@progbits
  .globl ${SYMBOL}
  .type ${SYMBOL}, @object
 # fill in a struct spe_program_handle
@@ -206,7 +251,7 @@ ${SYMBOL}:
 	print " .type '${SYMBOL}'_" substr($8, 9) ", @object"; \
 	print " .size '${SYMBOL}'_" substr($8, 9) ", 4"; \
 	print "'${SYMBOL}'_" substr($8, 9) ":"; \
-	print " .int " $2; \
+	print " .int 0x" $2; \
 } \
 '`
 EOF