Missing relocation R_PPC_VLE_ADDR20 and add VLE flag to details in readelf

include/
	* elf/ppc.h (R_PPC_VLE_ADDR20): New relocation.
bfd/
	* elf32-ppc.c (ppc_elf_howto_raw): Add R_PPC_VLE_ADDR20.
	(ppc_elf_check_relocs): Handle it.
	(ppc_elf_vle_split20): New function.
	(ppc_elf_relocate_section): Handle R_PPC_VLE_ADDR20.
binutils/
	* readelf.c (get_elf_section_flags): Add VLE.
	(process_section_headers): Add VLE key to details.
gas/
	* config/tc-ppc.c (md_parse_option): Handle "mno-vle" flag.
	(ppc_elf_section_letter): New function.
	* config/tc-ppc.h (md_elf_section_letter): New.
	* testsuite/gas/elf/section10.d: Adjust for VLE.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 3b3a53c..1957ca9 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,11 @@
+2017-09-05  Alexander Fedotov <alexander.fedotov@nxp.com>
+           Edmar Wienskoski <edmar.wienskoski@nxp.com
+
+       * elf32-ppc.c (ppc_elf_howto_raw): Add R_PPC_VLE_ADDR20.
+       (ppc_elf_check_relocs): Handle it.
+       (ppc_elf_vle_split20): New function.
+       (ppc_elf_relocate_section): Handle R_PPC_VLE_ADDR20.
+
 2017-09-03  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR ld/22071

diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 2bdba9f..da4adea 100644 (file)
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -1656,6 +1656,21 @@ static reloc_howto_type ppc_elf_howto_raw[] = {
         0x3e007ff,             /* dst_mask */
         FALSE),                /* pcrel_offset */
 
+  /* e_li split20 format.  */
+  HOWTO (R_PPC_VLE_ADDR20,     /* type */
+        16,                    /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        20,                    /* bitsize */
+        FALSE,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_dont, /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        "R_PPC_VLE_ADDR20",    /* name */
+        FALSE,                 /* partial_inplace */
+        0,                     /* src_mask */
+        0x1f07ff,              /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
   HOWTO (R_PPC_IRELATIVE,      /* type */
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
@@ -4268,6 +4283,7 @@ ppc_elf_check_relocs (bfd *abfd,
        case R_PPC_VLE_HI16D:
        case R_PPC_VLE_HA16A:
        case R_PPC_VLE_HA16D:
+       case R_PPC_VLE_ADDR20:
          break;
 
        case R_PPC_EMB_SDA2REL:
@@ -4986,6 +5002,23 @@ ppc_elf_vle_split16 (bfd *input_bfd,
   insn |= value & 0x7ff;
   bfd_put_32 (input_bfd, insn, loc);
 }
+
+static void
+ppc_elf_vle_split20 (bfd *output_bfd, bfd_byte *loc, bfd_vma value)
+{
+  unsigned int insn;
+
+  insn = bfd_get_32 (output_bfd, loc);
+  /* We have an li20 field, bits 17..20, 11..15, 21..31.  */
+  /* Top 4 bits of value to 17..20.  */
+  insn |= (value & 0xf0000) >> 5;
+  /* Next 5 bits of the value to 11..15.  */
+  insn |= (value & 0xf800) << 5;
+  /* And the final 11 bits of the value to bits 21 to 31.  */
+  insn |= value & 0x7ff;
+  bfd_put_32 (output_bfd, insn, loc);
+}
+
 \f
 /* Choose which PLT scheme to use, and set .plt flags appropriately.
    Returns -1 on error, 0 for old PLT, 1 for new PLT.  */
@@ -9512,6 +9545,10 @@ ppc_elf_relocate_section (bfd *output_bfd,
          }
          goto copy_reloc;
 
+       case R_PPC_VLE_ADDR20:
+         ppc_elf_vle_split20 (output_bfd, contents + rel->r_offset, relocation);
+         continue;
+
          /* Relocate against the beginning of the section.  */
        case R_PPC_SECTOFF:
        case R_PPC_SECTOFF_LO:

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 6d6aeee..92d8602 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,9 @@
+2017-09-05  Alexander Fedotov <alexander.fedotov@nxp.com>
+           Edmar Wienskoski <edmar.wienskoski@nxp.com
+
+       * readelf.c (get_elf_section_flags): Add VLE.
+       (process_section_headers): Add VLE key to details.
+
 2017-08-25  Alan Modra  <amodra@gmail.com>
 
        PR 21994

diff --git a/binutils/readelf.c b/binutils/readelf.c
index db3fc03..571da2c 100644 (file)
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -5587,6 +5587,8 @@ get_elf_section_flags (bfd_vma sh_flags)
       /* 23 */ { STRING_COMMA_LEN ("COMDEF") },
       /* GNU specific.  */
       /* 24 */ { STRING_COMMA_LEN ("GNU_MBIND") },
+      /* VLE specific.  */
+      /* 25 */ { STRING_COMMA_LEN ("VLE") },
     };
 
   if (do_section_details)
@@ -5667,6 +5669,10 @@ get_elf_section_flags (bfd_vma sh_flags)
                    default: break;
                    }
                  break;
+               case EM_PPC:
+                 if (flag == SHF_PPC_VLE)
+                   sindex = 25;
+                 break;
 
                default:
                  break;
@@ -5724,6 +5730,9 @@ get_elf_section_flags (bfd_vma sh_flags)
              else if (elf_header.e_machine == EM_ARM
                       && flag == SHF_ARM_PURECODE)
                  *p = 'y';
+             else if (elf_header.e_machine == EM_PPC
+                      && flag == SHF_PPC_VLE)
+                 *p = 'v';
              else if (flag & SHF_MASKOS)
                {
                  *p = 'o';
@@ -6460,6 +6469,8 @@ process_section_headers (FILE * file)
        printf (_("l (large), "));
       else if (elf_header.e_machine == EM_ARM)
        printf (_("y (purecode), "));
+      else if (elf_header.e_machine == EM_PPC)
+       printf (_("v (VLE), "));
       printf ("p (processor specific)\n");
     }
 

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 318472d..b52259f 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,11 @@
+2017-09-05  Alexander Fedotov <alexander.fedotov@nxp.com>
+           Edmar Wienskoski <edmar.wienskoski@nxp.com
+
+       * config/tc-ppc.c (md_parse_option): Handle "mno-vle" flag.
+       (ppc_elf_section_letter): New function.
+       * config/tc-ppc.h (md_elf_section_letter): New.
+       * testsuite/gas/elf/section10.d: Adjust for VLE.
+
 2017-09-01  Tamar Christina  <tamar.christina@arm.com>
 
        * config/tc-aarch64.c (aarch64_cpus): Enable DOTPROD for

diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index d20fac6..7118b71 100644 (file)
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -1206,6 +1206,16 @@ md_parse_option (int c, const char *arg)
            }
        }
 
+      else if (strcmp (arg, "no-vle") == 0)
+       {
+         sticky &= ~PPC_OPCODE_VLE;
+
+         new_cpu = ppc_parse_cpu (ppc_cpu, &sticky, "booke");
+         new_cpu &= ~PPC_OPCODE_VLE;
+
+         ppc_cpu = new_cpu;
+       }
+
       else if (strcmp (arg, "regnames") == 0)
        reg_names_p = TRUE;
 
@@ -3683,6 +3693,16 @@ ppc_section_flags (flagword flags, bfd_vma attr ATTRIBUTE_UNUSED, int type)
 
   return flags;
 }
+
+bfd_vma
+ppc_elf_section_letter (int letter, const char **ptrmsg)
+{
+  if (letter == 'v')
+    return SHF_PPC_VLE;
+
+  *ptrmsg = _("bad .section directive: want a,e,v,w,x,M,S,G,T in string");
+  return -1;
+}
 #endif /* OBJ_ELF */
 
 \f

diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h
index 514c223..f71f2ea 100644 (file)
--- a/gas/config/tc-ppc.h
+++ b/gas/config/tc-ppc.h
@@ -226,6 +226,9 @@ extern int ppc_section_flags (flagword, bfd_vma, int);
 #define tc_comment_chars ppc_comment_chars
 extern const char *ppc_comment_chars;
 
+#define md_elf_section_letter          ppc_elf_section_letter
+extern bfd_vma ppc_elf_section_letter (int, const char **);
+
 /* Keep relocations relative to the GOT, or non-PC relative.  */
 #define tc_fix_adjustable(FIX) ppc_fix_adjustable (FIX)
 extern int ppc_fix_adjustable (struct fix *);

diff --git a/gas/testsuite/gas/elf/section10.d b/gas/testsuite/gas/elf/section10.d
index e187263..554a791 100644 (file)
--- a/gas/testsuite/gas/elf/section10.d
+++ b/gas/testsuite/gas/elf/section10.d
@@ -18,7 +18,7 @@
 #...
 [      ]*\[.*\][       ]+sec3
 [      ]*PROGBITS.*
-[      ]*\[.*fefff030\]: MERGE, STRINGS,.* EXCLUDE, OS \(.*ef00000\), PROC \(.*[347]0000000\), UNKNOWN \(0+0ff000\)
+[      ]*\[.*fefff030\]: MERGE, STRINGS,.* EXCLUDE, OS \(.*ef00000\), PROC \(.*[3467]0000000\), UNKNOWN \(0+0ff000\)
 #...
 [      ]*\[.*\][       ]+sec4
 [      ]*LOOS\+0x11[   ].*
@@ -26,7 +26,7 @@
 #...
 [      ]*\[.*\][       ]+sec5
 [      ]*LOUSER\+0x9[  ].*
-[      ]*\[.*feff0000\]:.* EXCLUDE, OS \(.*ef00000\), PROC \(.*[347]0000000\), UNKNOWN \(.*f0000\)
+[      ]*\[.*feff0000\]:.* EXCLUDE, OS \(.*ef00000\), PROC \(.*[3467]0000000\), UNKNOWN \(.*f0000\)
 [      ]*\[.*\][       ]+.data.foo
 [      ]*LOUSER\+0x7f000000[   ].*
 [      ]*\[0+003\]: WRITE, ALLOC

diff --git a/include/ChangeLog b/include/ChangeLog
index d914f71..2845f85 100644 (file)
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2017-09-05  Alexander Fedotov <alexander.fedotov@nxp.com>
+           Edmar Wienskoski <edmar.wienskoski@nxp.com
+
+       * elf/ppc.h (R_PPC_VLE_ADDR20): New relocation.
+
 2017-08-23  Alexander Fedotov <alexander.fedotov@nxp.com>
            Edmar Wienskoski <edmar.wienskoski@nxp.com>
 

diff --git a/include/elf/ppc.h b/include/elf/ppc.h
index 6790cd7..a7d2f3e 100644 (file)
--- a/include/elf/ppc.h
+++ b/include/elf/ppc.h
@@ -152,6 +152,7 @@ START_RELOC_NUMBERS (elf_ppc_reloc_type)
   RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16D,        230)
   RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16A,        231)
   RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16D,        232)
+  RELOC_NUMBER (R_PPC_VLE_ADDR20,      233)
 
 /* Power9 split rel16 for addpcis.  */
   RELOC_NUMBER (R_PPC_REL16DX_HA,      246)