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-rw-r--r--bfd/elf32-ppc.c634
1 files changed, 623 insertions, 11 deletions
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 5716b82..e8f8db8 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -38,12 +38,21 @@
#include "elf-vxworks.h"
#include "dwarf2.h"
+typedef enum split16_format_type
+{
+ split16a_type = 0,
+ split16d_type
+}
+split16_format_type;
+
/* RELA relocations are used here. */
static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type ppc_elf_unhandled_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static void ppc_elf_vle_split16
+ (bfd *, bfd_byte *, bfd_vma, bfd_vma, split16_format_type);
/* Branch prediction bit for branch taken relocs. */
#define BRANCH_PREDICT_BIT 0x200000
@@ -1392,6 +1401,262 @@ static reloc_howto_type ppc_elf_howto_raw[] = {
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
+ /* A relative 8 bit branch. */
+ HOWTO (R_PPC_VLE_REL8, /* type */
+ 1, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_REL8", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A relative 15 bit branch. */
+ HOWTO (R_PPC_VLE_REL15, /* type */
+ 1, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 15, /* bitsize */
+ TRUE, /* pc_relative */
+ 1, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_REL15", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfe, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A relative 24 bit branch. */
+ HOWTO (R_PPC_VLE_REL24, /* type */
+ 1, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 24, /* bitsize */
+ TRUE, /* pc_relative */
+ 1, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_REL24", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1fffffe, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* The 16 LSBS in split16a format. */
+ HOWTO (R_PPC_VLE_LO16A, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */ /* FIXME: Does this apply to split relocs? */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_LO16A", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f00fff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* The 16 LSBS in split16d format. */
+ HOWTO (R_PPC_VLE_LO16D, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_LO16D", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f07ff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 split16a format. */
+ HOWTO (R_PPC_VLE_HI16A, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_HI16A", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f00fff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 split16d format. */
+ HOWTO (R_PPC_VLE_HI16D, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_HI16D", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f07ff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 (High Adjusted) in split16a format. */
+ HOWTO (R_PPC_VLE_HA16A, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_HA16A", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f00fff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 (High Adjusted) in split16d format. */
+ HOWTO (R_PPC_VLE_HA16D, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_HA16D", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f07ff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* This reloc does nothing. */
+ HOWTO (R_PPC_VLE_SDA21, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDA21", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* This reloc does nothing. */
+ HOWTO (R_PPC_VLE_SDA21_LO, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDA21_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* The 16 LSBS relative to _SDA_BASE_ in split16a format. */
+ HOWTO (R_PPC_VLE_SDAREL_LO16A,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDAREL_LO16A", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f00fff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* The 16 LSBS relative to _SDA_BASE_ in split16d format. */
+ /* This reloc does nothing. */
+ HOWTO (R_PPC_VLE_SDAREL_LO16D, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDAREL_LO16D", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f07ff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 relative to _SDA_BASE_ in split16a format. */
+ HOWTO (R_PPC_VLE_SDAREL_HI16A, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDAREL_HI16A", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f00fff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 relative to _SDA_BASE_ in split16d format. */
+ HOWTO (R_PPC_VLE_SDAREL_HI16D, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDAREL_HI16D", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f07ff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 (HA) relative to _SDA_BASE split16a format. */
+ HOWTO (R_PPC_VLE_SDAREL_HA16A, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDAREL_HA16A", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x1f00fff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Bits 16-31 (HA) relative to _SDA_BASE split16d format. */
+ HOWTO (R_PPC_VLE_SDAREL_HA16D, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_VLE_SDAREL_HA16D", /* 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) */
@@ -1628,6 +1893,35 @@ ppc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
case BFD_RELOC_PPC_EMB_RELST_HA: r = R_PPC_EMB_RELST_HA; break;
case BFD_RELOC_PPC_EMB_BIT_FLD: r = R_PPC_EMB_BIT_FLD; break;
case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA; break;
+ case BFD_RELOC_PPC_VLE_REL8: r = R_PPC_VLE_REL8; break;
+ case BFD_RELOC_PPC_VLE_REL15: r = R_PPC_VLE_REL15; break;
+ case BFD_RELOC_PPC_VLE_REL24: r = R_PPC_VLE_REL24; break;
+ case BFD_RELOC_PPC_VLE_LO16A: r = R_PPC_VLE_LO16A; break;
+ case BFD_RELOC_PPC_VLE_LO16D: r = R_PPC_VLE_LO16D; break;
+ case BFD_RELOC_PPC_VLE_HI16A: r = R_PPC_VLE_HI16A; break;
+ case BFD_RELOC_PPC_VLE_HI16D: r = R_PPC_VLE_HI16D; break;
+ case BFD_RELOC_PPC_VLE_HA16A: r = R_PPC_VLE_HA16A; break;
+ case BFD_RELOC_PPC_VLE_HA16D: r = R_PPC_VLE_HA16D; break;
+ case BFD_RELOC_PPC_VLE_SDA21: r = R_PPC_VLE_SDA21; break;
+ case BFD_RELOC_PPC_VLE_SDA21_LO: r = R_PPC_VLE_SDA21_LO; break;
+ case BFD_RELOC_PPC_VLE_SDAREL_LO16A:
+ r = R_PPC_VLE_SDAREL_LO16A;
+ break;
+ case BFD_RELOC_PPC_VLE_SDAREL_LO16D:
+ r = R_PPC_VLE_SDAREL_LO16D;
+ break;
+ case BFD_RELOC_PPC_VLE_SDAREL_HI16A:
+ r = R_PPC_VLE_SDAREL_HI16A;
+ break;
+ case BFD_RELOC_PPC_VLE_SDAREL_HI16D:
+ r = R_PPC_VLE_SDAREL_HI16D;
+ break;
+ case BFD_RELOC_PPC_VLE_SDAREL_HA16A:
+ r = R_PPC_VLE_SDAREL_HA16A;
+ break;
+ case BFD_RELOC_PPC_VLE_SDAREL_HA16D:
+ r = R_PPC_VLE_SDAREL_HA16D;
+ break;
case BFD_RELOC_16_PCREL: r = R_PPC_REL16; break;
case BFD_RELOC_LO16_PCREL: r = R_PPC_REL16_LO; break;
case BFD_RELOC_HI16_PCREL: r = R_PPC_REL16_HI; break;
@@ -1800,6 +2094,26 @@ struct ppc_elf_obj_tdata
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
&& elf_object_id (bfd) == PPC32_ELF_DATA)
+/* Rename some of the generic section flags to better document how they
+ are used for ppc32. */
+
+/* Nonzero if this section has TLS related relocations. */
+#define has_tls_reloc sec_flg0
+
+/* Nonzero if this section has a call to __tls_get_addr. */
+#define has_tls_get_addr_call sec_flg1
+
+/* Nonzero if this secs_tls_get_addr_calltion has the VLE bit set. */
+#define has_vle_insns sec_flg2
+
+bfd_boolean
+is_ppc_vle (asection *sec)
+{
+ return (sec->owner != NULL
+ && is_ppc_elf (sec->owner)
+ && sec->has_vle_insns);
+}
+
/* Override the generic function because we store some extras. */
static bfd_boolean
@@ -1952,6 +2266,37 @@ ppc_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, ...)
}
}
+static bfd_boolean
+ppc_elf_section_flags (flagword *flags ATTRIBUTE_UNUSED,
+ const Elf_Internal_Shdr *hdr)
+{
+ if (hdr->sh_flags & SHF_PPC_VLE)
+ hdr->bfd_section->has_vle_insns = 1;
+ return TRUE;
+}
+
+static flagword
+ppc_elf_lookup_section_flags (char *flag_name)
+{
+
+ if (!strcmp (flag_name, "SHF_PPC_VLE"))
+ return SHF_PPC_VLE;
+
+ return 0;
+}
+
+/* Add the VLE flag if required. */
+
+bfd_boolean
+ppc_elf_section_processing (bfd *abfd, Elf_Internal_Shdr *shdr)
+{
+ if (bfd_get_mach (abfd) == bfd_mach_ppc_vle
+ && (shdr->sh_flags & SHF_EXECINSTR) != 0)
+ shdr->sh_flags |= SHF_PPC_VLE;
+
+ return TRUE;
+}
+
/* Return address for Ith PLT stub in section PLT, for relocation REL
or (bfd_vma) -1 if it should not be included. */
@@ -2025,6 +2370,70 @@ ppc_elf_additional_program_headers (bfd *abfd,
return ret;
}
+/* Modify the segment map for VLE executables. */
+
+bfd_boolean
+ppc_elf_modify_segment_map (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ struct elf_segment_map *m, *n;
+ bfd_size_type amt;
+ unsigned int j, k;
+ bfd_boolean sect0_vle, sectj_vle;
+
+ /* At this point in the link, output sections have already been sorted by
+ LMA and assigned to segments. All that is left to do is to ensure
+ there is no mixing of VLE & non-VLE sections in a text segment.
+ If we find that case, we split the segment.
+ We maintain the original output section order. */
+
+ for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
+ {
+ if (m->count == 0)
+ continue;
+
+ sect0_vle = is_ppc_vle (m->sections[0]);
+ for (j = 1; j < m->count; ++j)
+ {
+ if (is_ppc_vle (m->sections[j]) != sect0_vle)
+ break;
+ }
+ if (j >= m->count)
+ continue;
+
+ sectj_vle = is_ppc_vle (m->sections[j]);
+
+ /* sections 0..j-1 stay in this (current) segment,
+ the remainder are put in a new segment.
+ The scan resumes with the new segment. */
+
+ /* Fix the new segment. */
+ amt = sizeof (struct elf_segment_map);
+ amt += (m->count - j - 1) * sizeof (asection *);
+ n = (struct elf_segment_map *) bfd_zalloc (abfd, amt);
+ if (n == NULL)
+ return FALSE;
+
+ n->p_type = PT_LOAD;
+ n->p_flags = PF_X | PF_R;
+ if (sectj_vle)
+ n->p_flags |= PF_PPC_VLE;
+ n->count = m->count - j;
+ for (k = 0; k < n->count; ++k)
+ {
+ n->sections[k] = m->sections[j+k];
+ m->sections[j+k] = NULL;
+ }
+ n->next = m->next;
+ m->next = n;
+
+ /* Fix the current segment */
+ m->count = j;
+ }
+
+ return TRUE;
+}
+
/* Add extra PPC sections -- Note, for now, make .sbss2 and
.PPC.EMB.sbss0 a normal section, and not a bss section so
that the linker doesn't crater when trying to make more than
@@ -2731,15 +3140,6 @@ struct ppc_elf_link_hash_table
struct sym_cache sym_cache;
};
-/* Rename some of the generic section flags to better document how they
- are used here. */
-
-/* Nonzero if this section has TLS related relocations. */
-#define has_tls_reloc sec_flg0
-
-/* Nonzero if this section has a call to __tls_get_addr. */
-#define has_tls_get_addr_call sec_flg1
-
/* Get the PPC ELF linker hash table from a link_info structure. */
#define ppc_elf_hash_table(p) \
@@ -3620,10 +4020,21 @@ ppc_elf_check_relocs (bfd *abfd,
}
break;
+ case R_PPC_VLE_SDAREL_LO16A:
+ case R_PPC_VLE_SDAREL_LO16D:
+ case R_PPC_VLE_SDAREL_HI16A:
+ case R_PPC_VLE_SDAREL_HI16D:
+ case R_PPC_VLE_SDAREL_HA16A:
+ case R_PPC_VLE_SDAREL_HA16D:
case R_PPC_SDAREL16:
if (htab->sdata[0].sym == NULL
&& !create_sdata_sym (info, &htab->sdata[0]))
return FALSE;
+
+ if (htab->sdata[1].sym == NULL
+ && !create_sdata_sym (info, &htab->sdata[1]))
+ return FALSE;
+
if (h != NULL)
{
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
@@ -3631,6 +4042,17 @@ ppc_elf_check_relocs (bfd *abfd,
}
break;
+ case R_PPC_VLE_REL8:
+ case R_PPC_VLE_REL15:
+ case R_PPC_VLE_REL24:
+ case R_PPC_VLE_LO16A:
+ case R_PPC_VLE_LO16D:
+ case R_PPC_VLE_HI16A:
+ case R_PPC_VLE_HI16D:
+ case R_PPC_VLE_HA16A:
+ case R_PPC_VLE_HA16D:
+ break;
+
case R_PPC_EMB_SDA2REL:
if (info->shared)
{
@@ -3647,6 +4069,8 @@ ppc_elf_check_relocs (bfd *abfd,
}
break;
+ case R_PPC_VLE_SDA21_LO:
+ case R_PPC_VLE_SDA21:
case R_PPC_EMB_SDA21:
case R_PPC_EMB_RELSDA:
if (info->shared)
@@ -4244,6 +4668,24 @@ ppc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
return TRUE;
}
+
+static void
+ppc_elf_vle_split16 (bfd *output_bfd, bfd_byte *contents,
+ bfd_vma offset, bfd_vma relocation,
+ split16_format_type split16_format)
+
+{
+ bfd_vma insn, top5, bottom11;
+
+ insn = bfd_get_32 (output_bfd, contents + offset);
+ top5 = relocation >> 11;
+ top5 = top5 << (split16_format == split16a_type ? 20 : 16);
+ bottom11 = relocation & 0x7ff;
+ insn |= top5;
+ insn |= bottom11;
+ bfd_put_32 (output_bfd, insn, contents + offset);
+}
+
/* Choose which PLT scheme to use, and set .plt flags appropriately.
Returns -1 on error, 0 for old PLT, 1 for new PLT. */
@@ -7611,6 +8053,9 @@ ppc_elf_relocate_section (bfd *output_bfd,
case R_PPC_UADDR16:
goto dodyn;
+ case R_PPC_VLE_REL8:
+ case R_PPC_VLE_REL15:
+ case R_PPC_VLE_REL24:
case R_PPC_REL24:
case R_PPC_REL14:
case R_PPC_REL14_BRTAKEN:
@@ -7984,9 +8429,53 @@ ppc_elf_relocate_section (bfd *output_bfd,
}
break;
+ case R_PPC_VLE_LO16A:
+ relocation = (relocation + addend) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ relocation, split16a_type);
+ continue;
+
+ case R_PPC_VLE_LO16D:
+ relocation = (relocation + addend) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ relocation, split16d_type);
+ continue;
+
+ case R_PPC_VLE_HI16A:
+ relocation = ((relocation + addend) >> 16) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ relocation, split16a_type);
+ continue;
+
+ case R_PPC_VLE_HI16D:
+ relocation = ((relocation + addend) >> 16) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ relocation, split16d_type);
+ continue;
+
+ case R_PPC_VLE_HA16A:
+ {
+ bfd_vma value = relocation + addend;
+ value = (((value >> 16) + ((value & 0x8000) ? 1 : 0)) & 0xffff);
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16a_type);
+ }
+ continue;
+
+ case R_PPC_VLE_HA16D:
+ {
+ bfd_vma value = relocation + addend;
+ value = (((value >> 16) + ((value & 0x8000) ? 1 : 0)) & 0xffff);
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16d_type);
+ }
+ continue;
+
/* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0. */
case R_PPC_EMB_SDA21:
+ case R_PPC_VLE_SDA21:
case R_PPC_EMB_RELSDA:
+ case R_PPC_VLE_SDA21_LO:
{
const char *name;
int reg;
@@ -8043,7 +8532,25 @@ ppc_elf_relocate_section (bfd *output_bfd,
addend -= SYM_VAL (sda);
}
- if (r_type == R_PPC_EMB_SDA21)
+ if (reg == 0
+ && (r_type == R_PPC_VLE_SDA21
+ || r_type == R_PPC_VLE_SDA21_LO))
+ {
+ /* Use the split20 format. */
+ bfd_vma insn, bits12to15, bits21to31;
+ bfd_vma value = (relocation + rel->r_offset) & 0xffff;
+ /* Propagate sign bit, if necessary. */
+ insn = (value & 0x8000) ? 0x70107800 : 0x70000000;
+ bits12to15 = value & 0x700;
+ bits21to31 = value & 0x7ff;
+ insn |= bits12to15;
+ insn |= bits21to31;
+ bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
+ continue;
+ }
+ else if (r_type == R_PPC_EMB_SDA21
+ || r_type == R_PPC_VLE_SDA21
+ || r_type == R_PPC_VLE_SDA21_LO)
{
bfd_vma insn; /* Fill in register field. */
@@ -8054,6 +8561,107 @@ ppc_elf_relocate_section (bfd *output_bfd,
}
break;
+ case R_PPC_VLE_SDAREL_LO16A:
+ case R_PPC_VLE_SDAREL_LO16D:
+ case R_PPC_VLE_SDAREL_HI16A:
+ case R_PPC_VLE_SDAREL_HI16D:
+ case R_PPC_VLE_SDAREL_HA16A:
+ case R_PPC_VLE_SDAREL_HA16D:
+ {
+ bfd_vma value;
+ const char *name;
+ //int reg;
+ struct elf_link_hash_entry *sda = NULL;
+
+ if (sec == NULL || sec->output_section == NULL)
+ {
+ unresolved_reloc = TRUE;
+ break;
+ }
+
+ name = bfd_get_section_name (abfd, sec->output_section);
+ if (((CONST_STRNEQ (name, ".sdata")
+ && (name[6] == 0 || name[6] == '.'))
+ || (CONST_STRNEQ (name, ".sbss")
+ && (name[5] == 0 || name[5] == '.'))))
+ {
+ //reg = 13;
+ sda = htab->sdata[0].sym;
+ }
+ else if (CONST_STRNEQ (name, ".sdata2")
+ || CONST_STRNEQ (name, ".sbss2"))
+ {
+ //reg = 2;
+ sda = htab->sdata[1].sym;
+ }
+ else
+ {
+ (*_bfd_error_handler)
+ (_("%B: the target (%s) of a %s relocation is "
+ "in the wrong output section (%s)"),
+ input_bfd,
+ sym_name,
+ howto->name,
+ name);
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = FALSE;
+ continue;
+ }
+
+ if (sda != NULL)
+ {
+ if (!is_static_defined (sda))
+ {
+ unresolved_reloc = TRUE;
+ break;
+ }
+ }
+
+ value = sda->root.u.def.section->output_section->vma
+ + sda->root.u.def.section->output_offset;
+
+ if (r_type == R_PPC_VLE_SDAREL_LO16A)
+ {
+ value = (value + addend) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16a_type);
+ }
+ else if (r_type == R_PPC_VLE_SDAREL_LO16D)
+ {
+ value = (value + addend) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16d_type);
+ }
+ else if (r_type == R_PPC_VLE_SDAREL_HI16A)
+ {
+ value = ((value + addend) >> 16) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16a_type);
+ }
+ else if (r_type == R_PPC_VLE_SDAREL_HI16D)
+ {
+ value = ((value + addend) >> 16) & 0xffff;
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16d_type);
+ }
+ else if (r_type == R_PPC_VLE_SDAREL_HA16A)
+ {
+ value += addend;
+ value = (((value >> 16) + ((value & 0x8000) ? 1 : 0)) & 0xffff);
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16a_type);
+ }
+ else if (r_type == R_PPC_VLE_SDAREL_HA16D)
+ {
+ value += addend;
+ value = (((value >> 16) + ((value & 0x8000) ? 1 : 0)) & 0xffff);
+ ppc_elf_vle_split16 (output_bfd, contents, rel->r_offset,
+ value, split16d_type);
+ }
+ }
+ continue;
+
/* Relocate against the beginning of the section. */
case R_PPC_SECTOFF:
case R_PPC_SECTOFF_LO:
@@ -9092,7 +9700,7 @@ ppc_elf_finish_dynamic_sections (bfd *output_bfd,
#define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
#define bfd_elf32_bfd_relax_section ppc_elf_relax_section
#define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
-#define bfd_elf32_bfd_reloc_name_lookup ppc_elf_reloc_name_lookup
+#define bfd_elf32_bfd_reloc_name_lookup ppc_elf_reloc_name_lookup
#define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
#define bfd_elf32_bfd_link_hash_table_create ppc_elf_link_hash_table_create
#define bfd_elf32_get_synthetic_symtab ppc_elf_get_synthetic_symtab
@@ -9113,6 +9721,7 @@ ppc_elf_finish_dynamic_sections (bfd *output_bfd,
#define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
#define elf_backend_fake_sections ppc_elf_fake_sections
#define elf_backend_additional_program_headers ppc_elf_additional_program_headers
+#define elf_backend_modify_segment_map ppc_elf_modify_segment_map
#define elf_backend_grok_prstatus ppc_elf_grok_prstatus
#define elf_backend_grok_psinfo ppc_elf_grok_psinfo
#define elf_backend_write_core_note ppc_elf_write_core_note
@@ -9125,6 +9734,9 @@ ppc_elf_finish_dynamic_sections (bfd *output_bfd,
#define elf_backend_action_discarded ppc_elf_action_discarded
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
#define elf_backend_post_process_headers _bfd_elf_set_osabi
+#define elf_backend_lookup_section_flags_hook ppc_elf_lookup_section_flags
+#define elf_backend_section_flags ppc_elf_section_flags
+#define elf_backend_section_processing ppc_elf_section_processing
#include "elf32-target.h"
generated by cgit v1.1 at 2024-11-23 01:07:19 +0000