/* PowerPC-specific support for 32-bit ELF
Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+ Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "elf/ppc.h"
#include "elf32-ppc.h"
#include "elf-vxworks.h"
+#include "dwarf2.h"
+#include "elf-linux-psinfo.h"
+
+typedef enum split16_format_type
+{
+ split16a_type = 0,
+ split16d_type
+}
+split16_format_type;
/* RELA relocations are used here. */
(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
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
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 */
+ 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 */
+ 0x1f007ff, /* 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 */
+ 0x1f007ff, /* 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 */
+ 0x1f007ff, /* 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 */
+ 0x1f007ff, /* 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 */
+ 0x1f007ff, /* 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 */
+ 0x1f007ff, /* 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) */
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
};
+
+/* External 32-bit PPC structure for PRPSINFO. This structure is
+ ABI-defined, thus we choose to use char arrays here in order to
+ avoid dealing with different types in different architectures.
+
+ The PPC 32-bit structure uses int for `pr_uid' and `pr_gid' while
+ most non-PPC architectures use `short int'.
+
+ This structure will ultimately be written in the corefile's note
+ section, as the PRPSINFO. */
+
+struct elf_external_ppc_linux_prpsinfo32
+ {
+ char pr_state; /* Numeric process state. */
+ char pr_sname; /* Char for pr_state. */
+ char pr_zomb; /* Zombie. */
+ char pr_nice; /* Nice val. */
+ char pr_flag[4]; /* Flags. */
+ char pr_uid[4];
+ char pr_gid[4];
+ char pr_pid[4];
+ char pr_ppid[4];
+ char pr_pgrp[4];
+ char pr_sid[4];
+ char pr_fname[16]; /* Filename of executable. */
+ char pr_psargs[80]; /* Initial part of arg list. */
+ };
+
+/* Helper macro to swap (properly handling endianess) things from the
+ `elf_internal_prpsinfo' structure to the `elf_external_ppc_prpsinfo32'
+ structure.
+
+ Note that FROM should be a pointer, and TO should be the explicit type. */
+
+#define PPC_LINUX_PRPSINFO32_SWAP_FIELDS(abfd, from, to) \
+ do \
+ { \
+ H_PUT_8 (abfd, from->pr_state, &to.pr_state); \
+ H_PUT_8 (abfd, from->pr_sname, &to.pr_sname); \
+ H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb); \
+ H_PUT_8 (abfd, from->pr_nice, &to.pr_nice); \
+ H_PUT_32 (abfd, from->pr_flag, to.pr_flag); \
+ H_PUT_32 (abfd, from->pr_uid, to.pr_uid); \
+ H_PUT_32 (abfd, from->pr_gid, to.pr_gid); \
+ H_PUT_32 (abfd, from->pr_pid, to.pr_pid); \
+ H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid); \
+ H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp); \
+ H_PUT_32 (abfd, from->pr_sid, to.pr_sid); \
+ strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname)); \
+ strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs)); \
+ } while (0)
+
\f
/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
case BFD_RELOC_NONE: r = R_PPC_NONE; break;
case BFD_RELOC_32: r = R_PPC_ADDR32; break;
case BFD_RELOC_PPC_BA26: r = R_PPC_ADDR24; break;
+ case BFD_RELOC_PPC64_ADDR16_DS:
case BFD_RELOC_16: r = R_PPC_ADDR16; break;
+ case BFD_RELOC_PPC64_ADDR16_LO_DS:
case BFD_RELOC_LO16: r = R_PPC_ADDR16_LO; break;
case BFD_RELOC_HI16: r = R_PPC_ADDR16_HI; break;
case BFD_RELOC_HI16_S: r = R_PPC_ADDR16_HA; break;
case BFD_RELOC_PPC_B16: r = R_PPC_REL14; break;
case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC_REL14_BRTAKEN; break;
case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC_REL14_BRNTAKEN; break;
+ case BFD_RELOC_PPC64_GOT16_DS:
case BFD_RELOC_16_GOTOFF: r = R_PPC_GOT16; break;
+ case BFD_RELOC_PPC64_GOT16_LO_DS:
case BFD_RELOC_LO16_GOTOFF: r = R_PPC_GOT16_LO; break;
case BFD_RELOC_HI16_GOTOFF: r = R_PPC_GOT16_HI; break;
case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC_GOT16_HA; break;
case BFD_RELOC_32_PCREL: r = R_PPC_REL32; break;
case BFD_RELOC_32_PLTOFF: r = R_PPC_PLT32; break;
case BFD_RELOC_32_PLT_PCREL: r = R_PPC_PLTREL32; break;
+ case BFD_RELOC_PPC64_PLT16_LO_DS:
case BFD_RELOC_LO16_PLTOFF: r = R_PPC_PLT16_LO; break;
case BFD_RELOC_HI16_PLTOFF: r = R_PPC_PLT16_HI; break;
case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC_PLT16_HA; break;
case BFD_RELOC_GPREL16: r = R_PPC_SDAREL16; break;
+ case BFD_RELOC_PPC64_SECTOFF_DS:
case BFD_RELOC_16_BASEREL: r = R_PPC_SECTOFF; break;
+ case BFD_RELOC_PPC64_SECTOFF_LO_DS:
case BFD_RELOC_LO16_BASEREL: r = R_PPC_SECTOFF_LO; break;
case BFD_RELOC_HI16_BASEREL: r = R_PPC_SECTOFF_HI; break;
case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA; break;
case BFD_RELOC_CTOR: r = R_PPC_ADDR32; break;
+ case BFD_RELOC_PPC64_TOC16_DS:
case BFD_RELOC_PPC_TOC16: r = R_PPC_TOC16; break;
case BFD_RELOC_PPC_TLS: r = R_PPC_TLS; break;
case BFD_RELOC_PPC_TLSGD: r = R_PPC_TLSGD; break;
case BFD_RELOC_PPC_TLSLD: r = R_PPC_TLSLD; break;
case BFD_RELOC_PPC_DTPMOD: r = R_PPC_DTPMOD32; break;
+ case BFD_RELOC_PPC64_TPREL16_DS:
case BFD_RELOC_PPC_TPREL16: r = R_PPC_TPREL16; break;
+ case BFD_RELOC_PPC64_TPREL16_LO_DS:
case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO; break;
case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI; break;
case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA; break;
case BFD_RELOC_PPC_TPREL: r = R_PPC_TPREL32; break;
+ case BFD_RELOC_PPC64_DTPREL16_DS:
case BFD_RELOC_PPC_DTPREL16: r = R_PPC_DTPREL16; break;
+ case BFD_RELOC_PPC64_DTPREL16_LO_DS:
case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC_DTPREL16_LO; break;
case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC_DTPREL16_HI; break;
case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC_DTPREL16_HA; break;
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;
#define is_ppc_elf(bfd) \
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
- && elf_object_id (bfd) == PPC32_ELF_TDATA)
+ && elf_object_id (bfd) == PPC32_ELF_DATA)
/* Override the generic function because we store some extras. */
ppc_elf_mkobject (bfd *abfd)
{
return bfd_elf_allocate_object (abfd, sizeof (struct ppc_elf_obj_tdata),
- PPC32_ELF_TDATA);
+ PPC32_ELF_DATA);
}
/* Fix bad default arch selected for a 32 bit input bfd when the
case 268: /* Linux/PPC. */
/* pr_cursig */
- elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+ elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
/* pr_pid */
- elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
+ elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
/* pr_reg */
offset = 72;
return FALSE;
case 128: /* Linux/PPC elf_prpsinfo. */
- elf_tdata (abfd)->core_program
+ elf_tdata (abfd)->core->pid
+ = bfd_get_32 (abfd, note->descdata + 16);
+ elf_tdata (abfd)->core->program
= _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
- elf_tdata (abfd)->core_command
+ elf_tdata (abfd)->core->command
= _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
}
implementations, so strip it off if it exists. */
{
- char *command = elf_tdata (abfd)->core_command;
+ char *command = elf_tdata (abfd)->core->command;
int n = strlen (command);
if (0 < n && command[n - 1] == ' ')
return TRUE;
}
+char *
+elfcore_write_ppc_linux_prpsinfo32 (bfd *abfd, char *buf, int *bufsiz,
+ const struct elf_internal_linux_prpsinfo *prpsinfo)
+{
+ struct elf_external_ppc_linux_prpsinfo32 data;
+
+ memset (&data, 0, sizeof (data));
+ PPC_LINUX_PRPSINFO32_SWAP_FIELDS (abfd, prpsinfo, data);
+
+ return elfcore_write_note (abfd, buf, bufsiz,
+ "CORE", NT_PRPSINFO, &data, sizeof (data));
+}
+
static char *
ppc_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, ...)
{
va_list ap;
va_start (ap, note_type);
- memset (data, 0, 32);
+ memset (data, 0, sizeof (data));
strncpy (data + 32, va_arg (ap, const char *), 16);
strncpy (data + 48, va_arg (ap, const char *), 80);
va_end (ap);
}
}
+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. */
Elf_Internal_Shdr *shdr,
asection *asect)
{
- if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
- shdr->sh_flags |= SHF_EXCLUDE;
-
if ((asect->flags & SEC_SORT_ENTRIES) != 0)
shdr->sh_type = SHT_ORDERED;
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_seg_map (abfd); m != NULL; m = m->next)
+ {
+ if (m->count == 0)
+ continue;
+
+ sect0_vle = (elf_section_flags (m->sections[0]) & SHF_PPC_VLE) != 0;
+ for (j = 1; j < m->count; ++j)
+ {
+ sectj_vle = (elf_section_flags (m->sections[j]) & SHF_PPC_VLE) != 0;
+
+ if (sectj_vle != sect0_vle)
+ break;
+ }
+ if (j >= m->count)
+ continue;
+
+ /* 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
apuinfo_list;
static apuinfo_list *head;
-
+static bfd_boolean apuinfo_set;
static void
apuinfo_list_init (void)
{
head = NULL;
+ apuinfo_set = FALSE;
}
static void
{
bfd *ibfd;
asection *asec;
- char *buffer;
- unsigned num_input_sections;
- bfd_size_type output_section_size;
+ char *buffer = NULL;
+ bfd_size_type largest_input_size = 0;
unsigned i;
- unsigned num_entries;
- unsigned long offset;
unsigned long length;
const char *error_message = NULL;
if (link_info == NULL)
return;
- /* Scan the input bfds, looking for apuinfo sections. */
- num_input_sections = 0;
- output_section_size = 0;
-
- for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
- {
- asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
- if (asec)
- {
- ++ num_input_sections;
- output_section_size += asec->size;
- }
- }
-
- /* We need at least one input sections
- in order to make merging worthwhile. */
- if (num_input_sections < 1)
- return;
-
- /* Just make sure that the output section exists as well. */
- asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
- if (asec == NULL)
- return;
-
- /* Allocate a buffer for the contents of the input sections. */
- buffer = bfd_malloc (output_section_size);
- if (buffer == NULL)
- return;
-
- offset = 0;
apuinfo_list_init ();
/* Read in the input sections contents. */
for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
{
unsigned long datum;
- char *ptr;
asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
if (asec == NULL)
continue;
+ error_message = _("corrupt %s section in %B");
length = asec->size;
- if (length < 24)
+ if (length < 20)
+ goto fail;
+
+ apuinfo_set = TRUE;
+ if (largest_input_size < asec->size)
{
- error_message = _("corrupt or empty %s section in %B");
- goto fail;
+ if (buffer)
+ free (buffer);
+ largest_input_size = asec->size;
+ buffer = bfd_malloc (largest_input_size);
+ if (!buffer)
+ return;
}
if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0
- || (bfd_bread (buffer + offset, length, ibfd) != length))
+ || (bfd_bread (buffer, length, ibfd) != length))
{
error_message = _("unable to read in %s section from %B");
goto fail;
}
- /* Process the contents of the section. */
- ptr = buffer + offset;
- error_message = _("corrupt %s section in %B");
-
/* Verify the contents of the header. Note - we have to
extract the values this way in order to allow for a
host whose endian-ness is different from the target. */
- datum = bfd_get_32 (ibfd, ptr);
+ datum = bfd_get_32 (ibfd, buffer);
if (datum != sizeof APUINFO_LABEL)
goto fail;
- datum = bfd_get_32 (ibfd, ptr + 8);
+ datum = bfd_get_32 (ibfd, buffer + 8);
if (datum != 0x2)
goto fail;
- if (strcmp (ptr + 12, APUINFO_LABEL) != 0)
+ if (strcmp (buffer + 12, APUINFO_LABEL) != 0)
goto fail;
/* Get the number of bytes used for apuinfo entries. */
- datum = bfd_get_32 (ibfd, ptr + 4);
+ datum = bfd_get_32 (ibfd, buffer + 4);
if (datum + 20 != length)
goto fail;
- /* Make sure that we do not run off the end of the section. */
- if (offset + length > output_section_size)
- goto fail;
-
/* Scan the apuinfo section, building a list of apuinfo numbers. */
for (i = 0; i < datum; i += 4)
- apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + i));
-
- /* Update the offset. */
- offset += length;
+ apuinfo_list_add (bfd_get_32 (ibfd, buffer + 20 + i));
}
error_message = NULL;
- /* Compute the size of the output section. */
- num_entries = apuinfo_list_length ();
- output_section_size = 20 + num_entries * 4;
+ if (apuinfo_set)
+ {
+ /* Compute the size of the output section. */
+ unsigned num_entries = apuinfo_list_length ();
- asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
+ /* Set the output section size, if it exists. */
+ asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
- if (! bfd_set_section_size (abfd, asec, output_section_size))
- ibfd = abfd,
- error_message = _("warning: unable to set size of %s section in %B");
+ if (asec && ! bfd_set_section_size (abfd, asec, 20 + num_entries * 4))
+ {
+ ibfd = abfd;
+ error_message = _("warning: unable to set size of %s section in %B");
+ }
+ }
fail:
- free (buffer);
+ if (buffer)
+ free (buffer);
if (error_message)
(*_bfd_error_handler) (error_message, ibfd, APUINFO_SECTION_NAME);
asection *asec,
bfd_byte *contents ATTRIBUTE_UNUSED)
{
- return (apuinfo_list_length ()
- && strcmp (asec->name, APUINFO_SECTION_NAME) == 0);
+ return apuinfo_set && strcmp (asec->name, APUINFO_SECTION_NAME) == 0;
}
/* Finally we can generate the output section. */
if (asec == NULL)
return;
- if (apuinfo_list_length () == 0)
+ if (!apuinfo_set)
return;
length = asec->size;
ppc_elf_finish_dynamic_sections is one of the last functions
called. */
-/* The PPC linker needs to keep track of the number of relocs that it
- decides to copy as dynamic relocs in check_relocs for each symbol.
- This is so that it can later discard them if they are found to be
- unnecessary. We store the information in a field extending the
- regular ELF linker hash table. */
-
-struct ppc_elf_dyn_relocs
-{
- struct ppc_elf_dyn_relocs *next;
-
- /* The input section of the reloc. */
- asection *sec;
-
- /* Total number of relocs copied for the input section. */
- bfd_size_type count;
-
- /* Number of pc-relative relocs copied for the input section. */
- bfd_size_type pc_count;
-};
-
/* Track PLT entries needed for a given symbol. We might need more
than one glink entry per symbol when generating a pic binary. */
struct plt_entry
shared lib. */
#define ELIMINATE_COPY_RELOCS 1
+/* Used to track dynamic relocations for local symbols. */
+struct ppc_dyn_relocs
+{
+ struct ppc_dyn_relocs *next;
+
+ /* The input section of the reloc. */
+ asection *sec;
+
+ /* Total number of relocs copied for the input section. */
+ unsigned int count : 31;
+
+ /* Whether this entry is for STT_GNU_IFUNC symbols. */
+ unsigned int ifunc : 1;
+};
+
/* PPC ELF linker hash entry. */
struct ppc_elf_link_hash_entry
elf_linker_section_pointers_t *linker_section_pointer;
/* Track dynamic relocs copied for this symbol. */
- struct ppc_elf_dyn_relocs *dyn_relocs;
+ struct elf_dyn_relocs *dyn_relocs;
/* Contexts in which symbol is used in the GOT (or TOC).
TLS_GD .. TLS_TLS bits are or'd into the mask as the
asection *relsbss;
elf_linker_section_t sdata[2];
asection *sbss;
+ asection *glink_eh_frame;
/* The (unloaded but important) .rela.plt.unloaded on VxWorks. */
asection *srelplt2;
/* The bfd that forced an old-style PLT. */
bfd *old_bfd;
-
+
/* TLS local dynamic got entry handling. */
union {
bfd_signed_vma refcount;
struct sym_cache sym_cache;
};
+/* Rename some of the generic section flags to better document how they
+ are used for ppc32. The flags are only valid for ppc32 elf objects. */
+
+/* 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) \
- ((struct ppc_elf_link_hash_table *) (p)->hash)
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == PPC32_ELF_DATA ? ((struct ppc_elf_link_hash_table *) ((p)->hash)) : NULL)
/* Create an entry in a PPC ELF linker hash table. */
ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
ppc_elf_hash_entry (entry)->tls_mask = 0;
+ ppc_elf_hash_entry (entry)->has_sda_refs = 0;
}
return entry;
if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
ppc_elf_link_hash_newfunc,
- sizeof (struct ppc_elf_link_hash_entry)))
+ sizeof (struct ppc_elf_link_hash_entry),
+ PPC32_ELF_DATA))
{
free (ret);
return NULL;
return FALSE;
htab = ppc_elf_hash_table (info);
- htab->got = s = bfd_get_section_by_name (abfd, ".got");
+ htab->got = s = bfd_get_linker_section (abfd, ".got");
if (s == NULL)
abort ();
if (htab->is_vxworks)
{
- htab->sgotplt = bfd_get_section_by_name (abfd, ".got.plt");
+ htab->sgotplt = bfd_get_linker_section (abfd, ".got.plt");
if (!htab->sgotplt)
abort ();
}
return FALSE;
}
- htab->relgot = bfd_get_section_by_name (abfd, ".rela.got");
+ htab->relgot = bfd_get_linker_section (abfd, ".rela.got");
if (!htab->relgot)
abort ();
|| !bfd_set_section_alignment (abfd, s, 4))
return FALSE;
+ if (!info->no_ld_generated_unwind_info)
+ {
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ s = bfd_make_section_anyway_with_flags (abfd, ".eh_frame", flags);
+ htab->glink_eh_frame = s;
+ if (s == NULL
+ || !bfd_set_section_alignment (abfd, s, 2))
+ return FALSE;
+ }
+
flags = SEC_ALLOC | SEC_LINKER_CREATED;
s = bfd_make_section_anyway_with_flags (abfd, ".iplt", flags);
htab->iplt = s;
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
- s = bfd_make_section_with_flags (abfd, ".rela.iplt", flags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".rela.iplt", flags);
htab->reliplt = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, 2))
&& !ppc_elf_create_glink (abfd, info))
return FALSE;
- htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss");
- s = bfd_make_section_with_flags (abfd, ".dynsbss",
- SEC_ALLOC | SEC_LINKER_CREATED);
+ htab->dynbss = bfd_get_linker_section (abfd, ".dynbss");
+ s = bfd_make_section_anyway_with_flags (abfd, ".dynsbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
htab->dynsbss = s;
if (s == NULL)
return FALSE;
if (! info->shared)
{
- htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss");
+ htab->relbss = bfd_get_linker_section (abfd, ".rela.bss");
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
- s = bfd_make_section_with_flags (abfd, ".rela.sbss", flags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".rela.sbss", flags);
htab->relsbss = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, 2))
&& !elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
return FALSE;
- htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
- htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
+ htab->relplt = bfd_get_linker_section (abfd, ".rela.plt");
+ htab->plt = s = bfd_get_linker_section (abfd, ".plt");
if (s == NULL)
abort ();
edir = (struct ppc_elf_link_hash_entry *) dir;
eind = (struct ppc_elf_link_hash_entry *) ind;
+ edir->tls_mask |= eind->tls_mask;
+ edir->has_sda_refs |= eind->has_sda_refs;
+
+ /* If called to transfer flags for a weakdef during processing
+ of elf_adjust_dynamic_symbol, don't copy non_got_ref.
+ We clear it ourselves for ELIMINATE_COPY_RELOCS. */
+ if (!(ELIMINATE_COPY_RELOCS
+ && eind->elf.root.type != bfd_link_hash_indirect
+ && edir->elf.dynamic_adjusted))
+ edir->elf.non_got_ref |= eind->elf.non_got_ref;
+
+ edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
+ edir->elf.ref_regular |= eind->elf.ref_regular;
+ edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
+ edir->elf.needs_plt |= eind->elf.needs_plt;
+ edir->elf.pointer_equality_needed |= eind->elf.pointer_equality_needed;
+
if (eind->dyn_relocs != NULL)
{
if (edir->dyn_relocs != NULL)
{
- struct ppc_elf_dyn_relocs **pp;
- struct ppc_elf_dyn_relocs *p;
+ struct elf_dyn_relocs **pp;
+ struct elf_dyn_relocs *p;
/* Add reloc counts against the indirect sym to the direct sym
list. Merge any entries against the same section. */
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
{
- struct ppc_elf_dyn_relocs *q;
+ struct elf_dyn_relocs *q;
for (q = edir->dyn_relocs; q != NULL; q = q->next)
if (q->sec == p->sec)
eind->dyn_relocs = NULL;
}
- edir->tls_mask |= eind->tls_mask;
- edir->has_sda_refs |= eind->has_sda_refs;
-
- /* If called to transfer flags for a weakdef during processing
- of elf_adjust_dynamic_symbol, don't copy non_got_ref.
- We clear it ourselves for ELIMINATE_COPY_RELOCS. */
- if (!(ELIMINATE_COPY_RELOCS
- && eind->elf.root.type != bfd_link_hash_indirect
- && edir->elf.dynamic_adjusted))
- edir->elf.non_got_ref |= eind->elf.non_got_ref;
-
- edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
- edir->elf.ref_regular |= eind->elf.ref_regular;
- edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
- edir->elf.needs_plt |= eind->elf.needs_plt;
- edir->elf.pointer_equality_needed |= eind->elf.pointer_equality_needed;
-
- /* If we were called to copy over info for a weak sym, that's all. */
+ /* If we were called to copy over info for a weak sym, that's all.
+ You might think dyn_relocs need not be copied over; After all,
+ both syms will be dynamic or both non-dynamic so we're just
+ moving reloc accounting around. However, ELIMINATE_COPY_RELOCS
+ code in ppc_elf_adjust_dynamic_symbol needs to check for
+ dyn_relocs in read-only sections, and it does so on what is the
+ DIR sym here. */
if (eind->elf.root.type != bfd_link_hash_indirect)
return;
*valp = sym->st_size;
}
- if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
- elf_tdata (info->output_bfd)->has_ifunc_symbols = TRUE;
+ if ((abfd->flags & DYNAMIC) == 0
+ && (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
+ || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE))
+ elf_tdata (info->output_bfd)->has_gnu_symbols = TRUE;
return TRUE;
}
enum elf_ppc_reloc_type r_type;
struct elf_link_hash_entry *h;
int tls_type;
- struct plt_entry **ifunc;
r_symndx = ELF32_R_SYM (rel->r_info);
if (r_symndx < symtab_hdr->sh_info)
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref = 1;
}
/* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
}
tls_type = 0;
- ifunc = NULL;
r_type = ELF32_R_TYPE (rel->r_info);
- if (!htab->is_vxworks)
+ if (h == NULL && !htab->is_vxworks)
{
- if (h != NULL)
- {
- if (h->type == STT_GNU_IFUNC)
- ifunc = &h->plt.plist;
- }
- else
+ Elf_Internal_Sym *isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ abfd, r_symndx);
+ if (isym == NULL)
+ return FALSE;
+
+ if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
{
- Elf_Internal_Sym *isym = bfd_sym_from_r_symndx (&htab->sym_cache,
- abfd, r_symndx);
- if (isym == NULL)
+ struct plt_entry **ifunc;
+
+ /* Set PLT_IFUNC flag for this sym, no GOT entry yet. */
+ ifunc = update_local_sym_info (abfd, symtab_hdr, r_symndx,
+ PLT_IFUNC);
+ if (ifunc == NULL)
return FALSE;
- if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC
- && (!info->shared
- || is_branch_reloc (r_type)))
+ /* STT_GNU_IFUNC symbols must have a PLT entry;
+ In a non-pie executable even when there are
+ no plt calls. */
+ if (!info->shared
+ || is_branch_reloc (r_type))
{
- bfd_vma addend;
-
- ifunc = update_local_sym_info (abfd, symtab_hdr, r_symndx,
- PLT_IFUNC);
- if (ifunc == NULL)
- return FALSE;
-
- /* STT_GNU_IFUNC symbols must have a PLT entry;
- In a non-pie executable even when there are
- no plt calls. */
- addend = 0;
+ bfd_vma addend = 0;
if (r_type == R_PPC_PLTREL24)
{
ppc_elf_tdata (abfd)->makes_plt_call = 1;
}
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;
}
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)
{
}
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)
{
/* It does not make sense to have a procedure linkage
table entry for a local symbol. */
- (*_bfd_error_handler) (_("%B(%A+0x%lx): %s reloc against "
- "local symbol"),
- abfd,
- sec,
- (long) rel->r_offset,
- ppc_elf_howto_table[r_type]->name);
+ info->callbacks->einfo (_("%P: %H: %s reloc against local symbol\n"),
+ abfd, sec, rel->r_offset,
+ ppc_elf_howto_table[r_type]->name);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
&& (h->root.type == bfd_link_hash_defweak
|| !h->def_regular)))
{
- struct ppc_elf_dyn_relocs *p;
- struct ppc_elf_dyn_relocs **rel_head;
-
#ifdef DEBUG
fprintf (stderr,
"ppc_elf_check_relocs needs to "
relocations we need for this symbol. */
if (h != NULL)
{
+ struct elf_dyn_relocs *p;
+ struct elf_dyn_relocs **rel_head;
+
rel_head = &ppc_elf_hash_entry (h)->dyn_relocs;
+ p = *rel_head;
+ if (p == NULL || p->sec != sec)
+ {
+ p = bfd_alloc (htab->elf.dynobj, sizeof *p);
+ if (p == NULL)
+ return FALSE;
+ p->next = *rel_head;
+ *rel_head = p;
+ p->sec = sec;
+ p->count = 0;
+ p->pc_count = 0;
+ }
+ p->count += 1;
+ if (!must_be_dyn_reloc (info, r_type))
+ p->pc_count += 1;
}
else
{
/* Track dynamic relocs needed for local syms too.
We really need local syms available to do this
easily. Oh well. */
+ struct ppc_dyn_relocs *p;
+ struct ppc_dyn_relocs **rel_head;
+ bfd_boolean is_ifunc;
asection *s;
void *vpp;
Elf_Internal_Sym *isym;
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
if (s == NULL)
- s = sec;
-
- vpp = &elf_section_data (s)->local_dynrel;
- rel_head = (struct ppc_elf_dyn_relocs **) vpp;
- }
-
- p = *rel_head;
- if (p == NULL || p->sec != sec)
- {
- p = bfd_alloc (htab->elf.dynobj, sizeof *p);
- if (p == NULL)
- return FALSE;
- p->next = *rel_head;
- *rel_head = p;
- p->sec = sec;
- p->count = 0;
- p->pc_count = 0;
- }
+ s = sec;
- p->count += 1;
- if (!must_be_dyn_reloc (info, r_type))
- p->pc_count += 1;
+ vpp = &elf_section_data (s)->local_dynrel;
+ rel_head = (struct ppc_dyn_relocs **) vpp;
+ is_ifunc = ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC;
+ p = *rel_head;
+ if (p != NULL && p->sec == sec && p->ifunc != is_ifunc)
+ p = p->next;
+ if (p == NULL || p->sec != sec || p->ifunc != is_ifunc)
+ {
+ p = bfd_alloc (htab->elf.dynobj, sizeof *p);
+ if (p == NULL)
+ return FALSE;
+ p->next = *rel_head;
+ *rel_head = p;
+ p->sec = sec;
+ p->ifunc = is_ifunc;
+ p->count = 0;
+ }
+ p->count += 1;
+ }
}
break;
(_("Warning: %B uses hard float, %B uses soft float"), obfd, ibfd);
else if (out_attr->i == 1 && in_attr->i == 3)
_bfd_error_handler
- (_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
+ (_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
obfd, ibfd);
else if (out_attr->i == 3 && in_attr->i == 1)
_bfd_error_handler
- (_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
+ (_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
ibfd, obfd);
else if (out_attr->i == 3 && in_attr->i == 2)
_bfd_error_handler
- (_("Warning: %B uses soft float, %B uses single-precision hard float"),
+ (_("Warning: %B uses soft float, %B uses single-precision hard float"),
ibfd, obfd);
else if (out_attr->i == 2 && (in_attr->i == 1 || in_attr->i == 3))
_bfd_error_handler
if (!is_ppc_elf (ibfd) || !is_ppc_elf (obfd))
return TRUE;
- /* Check if we have the same endianess. */
+ /* Check if we have the same endianness. */
if (! _bfd_generic_verify_endian_match (ibfd, obfd))
return FALSE;
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);
+}
+
\f
/* Choose which PLT scheme to use, and set .plt flags appropriately.
Returns -1 on error, 0 for old PLT, 1 for new PLT. */
if (htab->plt_type == PLT_UNSET)
{
+ struct elf_link_hash_entry *h;
+
if (plt_style == PLT_OLD)
htab->plt_type = PLT_OLD;
+ else if (info->shared
+ && htab->elf.dynamic_sections_created
+ && (h = elf_link_hash_lookup (&htab->elf, "_mcount",
+ FALSE, FALSE, TRUE)) != NULL
+ && (h->type == STT_FUNC
+ || h->needs_plt)
+ && h->ref_regular
+ && !(SYMBOL_CALLS_LOCAL (info, h)
+ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type == bfd_link_hash_undefweak)))
+ {
+ /* Profiling of shared libs (and pies) is not supported with
+ secure plt, because ppc32 does profiling before a
+ function prologue and a secure plt pic call stubs needs
+ r30 to be set up. */
+ htab->plt_type = PLT_OLD;
+ }
else
{
bfd *ibfd;
}
}
if (htab->plt_type == PLT_OLD && plt_style == PLT_NEW)
- info->callbacks->info (_("Using bss-plt due to %B"), htab->old_bfd);
+ {
+ if (htab->old_bfd != NULL)
+ info->callbacks->einfo (_("%P: bss-plt forced due to %B\n"),
+ htab->old_bfd);
+ else
+ info->callbacks->einfo (_("%P: bss-plt forced by profiling\n"));
+ }
BFD_ASSERT (htab->plt_type != PLT_VXWORKS);
r_symndx = ELF32_R_SYM (rel->r_info);
if (r_symndx >= symtab_hdr->sh_info)
{
- struct ppc_elf_dyn_relocs **pp, *p;
+ struct elf_dyn_relocs **pp, *p;
struct ppc_elf_link_hash_entry *eh;
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
return TRUE;
htab = ppc_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
/* Make two passes through the relocs. First time check that tls
relocs involved in setting up a tls_get_addr call are indeed
- followed by such a call. If they are not, exclude them from
- the optimizations done on the second pass. */
+ followed by such a call. If they are not, don't do any tls
+ optimization. On the second pass twiddle tls_mask flags to
+ notify relocate_section that optimization can be done, and
+ adjust got and plt refcounts. */
for (pass = 0; pass < 2; ++pass)
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
{
if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
{
Elf_Internal_Rela *relstart, *rel, *relend;
+ int expecting_tls_get_addr = 0;
/* Read the relocations. */
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
char *tls_mask;
char tls_set, tls_clear;
bfd_boolean is_local;
- int expecting_tls_get_addr;
bfd_signed_vma *got_count;
r_symndx = ELF32_R_SYM (rel->r_info);
h = (struct elf_link_hash_entry *) h->root.u.i.link;
}
- expecting_tls_get_addr = 0;
is_local = FALSE;
if (h == NULL
|| !h->def_dynamic)
is_local = TRUE;
r_type = ELF32_R_TYPE (rel->r_info);
+ /* If this section has old-style __tls_get_addr calls
+ without marker relocs, then check that each
+ __tls_get_addr call reloc is preceded by a reloc
+ that conceivably belongs to the __tls_get_addr arg
+ setup insn. If we don't find matching arg setup
+ relocs, don't do any tls optimization. */
+ if (pass == 0
+ && sec->has_tls_get_addr_call
+ && h != NULL
+ && h == htab->tls_get_addr
+ && !expecting_tls_get_addr
+ && is_branch_reloc (r_type))
+ {
+ info->callbacks->minfo ("%H __tls_get_addr lost arg, "
+ "TLS optimization disabled\n",
+ ibfd, sec, rel->r_offset);
+ if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+ return TRUE;
+ }
+
+ expecting_tls_get_addr = 0;
switch (r_type)
{
case R_PPC_GOT_TLSLD16:
/* Uh oh, we didn't find the expected call. We
could just mark this symbol to exclude it
from tls optimization but it's safer to skip
- the entire section. */
- sec->has_tls_reloc = 0;
- break;
+ the entire optimization. */
+ info->callbacks->minfo (_("%H arg lost __tls_get_addr, "
+ "TLS optimization disabled\n"),
+ ibfd, sec, rel->r_offset);
+ if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+ return TRUE;
}
if (expecting_tls_get_addr)
}
else
{
- Elf_Internal_Sym *sym;
bfd_signed_vma *lgot_refs;
struct plt_entry **local_plt;
char *lgot_masks;
return FALSE;
}
}
- sym = locsyms + r_symndx;
lgot_refs = elf_local_got_refcounts (ibfd);
if (lgot_refs == NULL)
abort ();
static bfd_boolean
readonly_dynrelocs (struct elf_link_hash_entry *h)
{
- struct ppc_elf_dyn_relocs *p;
+ struct elf_dyn_relocs *p;
for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
{
return TRUE;
}
- if (h->size == 0)
- {
- (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
- h->root.root.string);
- return TRUE;
- }
-
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
an entry for this symbol in the .dynsym section. The dynamic
copy the initial value out of the dynamic object and into the
runtime process image. We need to remember the offset into the
.rela.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
asection *srel;
struct bfd_link_info *info = inf;
struct ppc_elf_link_hash_entry *eh;
struct ppc_elf_link_hash_table *htab;
- struct ppc_elf_dyn_relocs *p;
+ struct elf_dyn_relocs *p;
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
htab = ppc_elf_hash_table (info);
if (htab->elf.dynamic_sections_created
|| h->type == STT_GNU_IFUNC)
/* If this symbol is not defined in a regular
file, and we are not generating a shared
- library, then set the symbol to this location
+ library, then set the symbol to this location
in the .plt. This is to avoid text
relocations, and is required to make
function pointers compare as equal between
|| eh->elf.root.type != bfd_link_hash_undefweak))
{
asection *rsec = htab->relgot;
+
+ if (eh->elf.type == STT_GNU_IFUNC)
+ rsec = htab->reliplt;
/* All the entries we allocated need relocs.
Except LD only needs one. */
if ((eh->tls_mask & TLS_LD) != 0
then they should avoid writing weird assembly. */
if (SYMBOL_CALLS_LOCAL (info, h))
{
- struct ppc_elf_dyn_relocs **pp;
+ struct elf_dyn_relocs **pp;
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
{
if (htab->is_vxworks)
{
- struct ppc_elf_dyn_relocs **pp;
+ struct elf_dyn_relocs **pp;
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
{
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
- if (!htab->elf.dynamic_sections_created)
+ if (eh->elf.type == STT_GNU_IFUNC)
sreloc = htab->reliplt;
sreloc->size += p->count * sizeof (Elf32_External_Rela);
}
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
if (readonly_dynrelocs (h))
{
((struct bfd_link_info *) info)->flags |= DF_TEXTREL;
return TRUE;
}
+static const unsigned char glink_eh_frame_cie[] =
+{
+ 0, 0, 0, 16, /* length. */
+ 0, 0, 0, 0, /* id. */
+ 1, /* CIE version. */
+ 'z', 'R', 0, /* Augmentation string. */
+ 4, /* Code alignment. */
+ 0x7c, /* Data alignment. */
+ 65, /* RA reg. */
+ 1, /* Augmentation size. */
+ DW_EH_PE_pcrel | DW_EH_PE_sdata4, /* FDE encoding. */
+ DW_CFA_def_cfa, 1, 0 /* def_cfa: r1 offset 0. */
+};
+
/* Set the sizes of the dynamic sections. */
static bfd_boolean
/* Set the contents of the .interp section to the interpreter. */
if (info->executable)
{
- s = bfd_get_section_by_name (htab->elf.dynobj, ".interp");
+ s = bfd_get_linker_section (htab->elf.dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
for (s = ibfd->sections; s != NULL; s = s->next)
{
- struct ppc_elf_dyn_relocs *p;
+ struct ppc_dyn_relocs *p;
- for (p = ((struct ppc_elf_dyn_relocs *)
+ for (p = ((struct ppc_dyn_relocs *)
elf_section_data (s)->local_dynrel);
p != NULL;
p = p->next)
else if (p->count != 0)
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
- if (!htab->elf.dynamic_sections_created)
+ if (p->ifunc)
sreloc = htab->reliplt;
sreloc->size += p->count * sizeof (Elf32_External_Rela);
if ((p->sec->output_section->flags
{
*local_got = allocate_got (htab, need);
if (info->shared)
- htab->relgot->size += (need
- * (sizeof (Elf32_External_Rela) / 4));
+ {
+ asection *srel = htab->relgot;
+ if ((*lgot_masks & PLT_IFUNC) != 0)
+ srel = htab->reliplt;
+ srel->size += need * (sizeof (Elf32_External_Rela) / 4);
+ }
}
}
else
}
}
+ if (htab->glink != NULL
+ && htab->glink->size != 0
+ && htab->glink_eh_frame != NULL
+ && !bfd_is_abs_section (htab->glink_eh_frame->output_section)
+ && _bfd_elf_eh_frame_present (info))
+ {
+ s = htab->glink_eh_frame;
+ s->size = sizeof (glink_eh_frame_cie) + 20;
+ if (info->shared)
+ {
+ s->size += 4;
+ if (htab->glink->size - GLINK_PLTRESOLVE + 8 >= 256)
+ s->size += 4;
+ }
+ }
+
/* We've now determined the sizes of the various dynamic sections.
Allocate memory for them. */
relocs = FALSE;
}
else if (s == htab->iplt
|| s == htab->glink
+ || s == htab->glink_eh_frame
|| s == htab->sgotplt
|| s == htab->sbss
|| s == htab->dynbss
{
/* Strip these too. */
}
- else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
+ else if (CONST_STRNEQ (bfd_get_section_name (htab->elf.dynobj, s),
+ ".rela"))
{
if (s->size != 0)
{
}
#undef add_dynamic_entry
+ if (htab->glink_eh_frame != NULL
+ && htab->glink_eh_frame->contents != NULL)
+ {
+ unsigned char *p = htab->glink_eh_frame->contents;
+ bfd_vma val;
+
+ memcpy (p, glink_eh_frame_cie, sizeof (glink_eh_frame_cie));
+ /* CIE length (rewrite in case little-endian). */
+ bfd_put_32 (htab->elf.dynobj, sizeof (glink_eh_frame_cie) - 4, p);
+ p += sizeof (glink_eh_frame_cie);
+ /* FDE length. */
+ val = htab->glink_eh_frame->size - 4 - sizeof (glink_eh_frame_cie);
+ bfd_put_32 (htab->elf.dynobj, val, p);
+ p += 4;
+ /* CIE pointer. */
+ val = p - htab->glink_eh_frame->contents;
+ bfd_put_32 (htab->elf.dynobj, val, p);
+ p += 4;
+ /* Offset to .glink. Set later. */
+ p += 4;
+ /* .glink size. */
+ bfd_put_32 (htab->elf.dynobj, htab->glink->size, p);
+ p += 4;
+ /* Augmentation. */
+ p += 1;
+
+ if (info->shared
+ && htab->elf.dynamic_sections_created)
+ {
+ bfd_vma adv = (htab->glink->size - GLINK_PLTRESOLVE + 8) >> 2;
+ if (adv < 64)
+ *p++ = DW_CFA_advance_loc + adv;
+ else if (adv < 256)
+ {
+ *p++ = DW_CFA_advance_loc1;
+ *p++ = adv;
+ }
+ else if (adv < 65536)
+ {
+ *p++ = DW_CFA_advance_loc2;
+ bfd_put_16 (htab->elf.dynobj, adv, p);
+ p += 2;
+ }
+ else
+ {
+ *p++ = DW_CFA_advance_loc4;
+ bfd_put_32 (htab->elf.dynobj, adv, p);
+ p += 4;
+ }
+ *p++ = DW_CFA_register;
+ *p++ = 65;
+ p++;
+ *p++ = DW_CFA_advance_loc + 4;
+ *p++ = DW_CFA_restore_extended;
+ *p++ = 65;
+ }
+ BFD_ASSERT ((bfd_vma) ((p + 3 - htab->glink_eh_frame->contents) & -4)
+ == htab->glink_eh_frame->size);
+ }
+
return TRUE;
}
struct ppc_elf_link_hash_table *htab;
bfd_size_type trampoff;
asection *got2;
+ bfd_boolean maybe_pasted;
*again = FALSE;
anyway. */
if (link_info->relocatable && link_info->shared)
return TRUE;
-
+
trampoff = (isec->size + 3) & (bfd_vma) -4;
+ maybe_pasted = (strcmp (isec->output_section->name, ".init") == 0
+ || strcmp (isec->output_section->name, ".fini") == 0);
/* Space for a branch around any trampolines. */
- trampoff += 4;
+ if (maybe_pasted)
+ trampoff += 4;
symtab_hdr = &elf_symtab_hdr (abfd);
attribute for a code section, and we are only looking at
branches. However, implement it correctly here as a
reference for other target relax_section functions. */
- if (0 && tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
+ if (0 && tsec->sec_info_type == SEC_INFO_TYPE_MERGE)
{
/* At this stage in linking, no SEC_MERGE symbol has been
adjusted, so all references to such symbols need to be
{
const int *stub;
bfd_byte *dest;
- bfd_vma val;
int i, size;
do
goto error_return;
isec->size = (isec->size + 3) & (bfd_vma) -4;
- /* Branch around the trampolines. */
- val = B + trampoff - isec->size;
dest = contents + isec->size;
+ /* Branch around the trampolines. */
+ if (maybe_pasted)
+ {
+ bfd_vma val = B + trampoff - isec->size;
+ bfd_put_32 (abfd, val, dest);
+ dest += 4;
+ }
isec->size = trampoff;
- bfd_put_32 (abfd, val, dest);
- dest += 4;
if (link_info->shared)
{
{
/* Append sufficient NOP relocs so we can write out relocation
information for the trampolines. */
+ Elf_Internal_Shdr *rel_hdr;
Elf_Internal_Rela *new_relocs = bfd_malloc ((changes + isec->reloc_count)
* sizeof (*new_relocs));
unsigned ix;
-
+
if (!new_relocs)
goto error_return;
memcpy (new_relocs, internal_relocs,
free (internal_relocs);
elf_section_data (isec)->relocs = new_relocs;
isec->reloc_count += changes;
- elf_section_data (isec)->rel_hdr.sh_size
- += changes * elf_section_data (isec)->rel_hdr.sh_entsize;
+ rel_hdr = _bfd_elf_single_rel_hdr (isec);
+ rel_hdr->sh_size += changes * rel_hdr->sh_entsize;
}
else if (elf_section_data (isec)->relocs != internal_relocs)
free (internal_relocs);
irel++;
}
}
-
+
return TRUE;
error_return:
return insn;
}
+static bfd_boolean
+is_insn_ds_form (unsigned int insn)
+{
+ return ((insn & (0x3f << 26)) == 58u << 26 /* ld,ldu,lwa */
+ || (insn & (0x3f << 26)) == 62u << 26 /* std,stdu,stq */
+ || (insn & (0x3f << 26)) == 57u << 26 /* lfdp */
+ || (insn & (0x3f << 26)) == 61u << 26 /* stfdp */);
+}
+
+static bfd_boolean
+is_insn_dq_form (unsigned int insn)
+{
+ return (insn & (0x3f << 26)) == 56u << 26; /* lq */
+}
+
/* The RELOCATE_SECTION function is called by the ELF backend linker
to handle the relocations for a section.
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
Elf_Internal_Rela outrel;
- asection *got2, *sreloc = NULL;
+ asection *got2;
bfd_vma *local_got_offsets;
bfd_boolean ret = TRUE;
bfd_vma d_offset = (bfd_big_endian (output_bfd) ? 2 : 0);
sym_name = h->root.root.string;
}
- if (sec != NULL && elf_discarded_section (sec))
+ if (sec != NULL && discarded_section (sec))
{
/* For relocs against symbols from removed linkonce sections,
or sections discarded by a linker script, we just want the
howto = NULL;
if (r_type < R_PPC_max)
howto = ppc_elf_howto_table[r_type];
- _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
- rel->r_info = 0;
- rel->r_addend = 0;
- continue;
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
}
if (info->relocatable)
{
if (got2 != NULL
&& r_type == R_PPC_PLTREL24
- && rel->r_addend >= 32768)
+ && rel->r_addend != 0)
{
/* R_PPC_PLTREL24 is rather special. If non-zero, the
addend specifies the GOT pointer offset within .got2. */
if (local_sections[r_symndx] == sec)
break;
if (r_symndx >= symtab_hdr->sh_info)
- r_symndx = 0;
+ r_symndx = STN_UNDEF;
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
- if (r_symndx != 0)
+ if (r_symndx != STN_UNDEF)
rel->r_addend -= (local_syms[r_symndx].st_value
+ sec->output_offset
+ sec->output_section->vma);
if (local_sections[r_symndx] == sec)
break;
if (r_symndx >= symtab_hdr->sh_info)
- r_symndx = 0;
+ r_symndx = STN_UNDEF;
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
- if (r_symndx != 0)
+ if (r_symndx != STN_UNDEF)
rel->r_addend -= (local_syms[r_symndx].st_value
+ sec->output_offset
+ sec->output_section->vma);
switch (r_type)
{
default:
- (*_bfd_error_handler)
- (_("%B: unknown relocation type %d for symbol %s"),
+ info->callbacks->einfo
+ (_("%P: %B: unknown relocation type %d for symbol %s\n"),
input_bfd, (int) r_type, sym_name);
bfd_set_error (bfd_error_bad_value);
;
else
{
+ BFD_ASSERT (h->dynindx != -1);
indx = h->dynindx;
unresolved_reloc = FALSE;
}
asection *rsec = htab->relgot;
bfd_byte * loc;
+ if (ifunc != NULL)
+ rsec = htab->reliplt;
outrel.r_offset = (htab->got->output_section->vma
+ htab->got->output_offset
+ off);
generated by a hash table traversal, the value in the
got at entry m+n bears little relation to the entry m. */
if (addend != 0)
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): non-zero addend on %s reloc against `%s'"),
- input_bfd,
- input_section,
- (long) rel->r_offset,
+ info->callbacks->einfo
+ (_("%P: %H: non-zero addend on %s reloc against `%s'\n"),
+ input_bfd, input_section, rel->r_offset,
howto->name,
sym_name);
}
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:
&& !h->def_regular))
{
int skip;
- bfd_byte * loc;
+ bfd_byte *loc;
+ asection *sreloc;
#ifdef DEBUG
fprintf (stderr, "ppc_elf_relocate_section needs to "
"create relocation for %s\n",
/* When generating a shared object, these relocations
are copied into the output file to be resolved at run
time. */
+ sreloc = elf_section_data (input_section)->sreloc;
+ if (ifunc)
+ sreloc = htab->reliplt;
if (sreloc == NULL)
- {
- sreloc = elf_section_data (input_section)->sreloc;
- if (!htab->elf.dynamic_sections_created)
- sreloc = htab->reliplt;
- if (sreloc == NULL)
- return FALSE;
- }
+ return FALSE;
skip = 0;
- outrel.r_offset =
- _bfd_elf_section_offset (output_bfd, info, input_section,
- rel->r_offset);
+ outrel.r_offset = _bfd_elf_section_offset (output_bfd, info,
+ input_section,
+ rel->r_offset);
if (outrel.r_offset == (bfd_vma) -1
|| outrel.r_offset == (bfd_vma) -2)
skip = (int) outrel.r_offset;
|| h->root.type == bfd_link_hash_undefweak))
|| !SYMBOL_REFERENCES_LOCAL (info, h))
{
+ BFD_ASSERT (h->dynindx != -1);
unresolved_reloc = FALSE;
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
outrel.r_addend = rel->r_addend;
non-executable to apply text relocations.
So we'll segfault when trying to run the
indirection function to resolve the reloc. */
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): relocation %s for indirect "
- "function %s unsupported"),
- input_bfd,
- input_section,
- (long) rel->r_offset,
+ info->callbacks->einfo
+ (_("%P: %H: relocation %s for indirect "
+ "function %s unsupported\n"),
+ input_bfd, input_section, rel->r_offset,
howto->name,
sym_name);
ret = FALSE;
}
- else if (r_symndx == 0 || bfd_is_abs_section (sec))
+ else if (r_symndx == STN_UNDEF || bfd_is_abs_section (sec))
;
else if (sec == NULL || sec->owner == NULL)
{
unresolved_reloc = TRUE;
break;
}
- BFD_ASSERT (strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
- || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0);
+ BFD_ASSERT (strcmp (bfd_get_section_name (sec->owner, sec),
+ ".got") == 0
+ || strcmp (bfd_get_section_name (sec->owner, sec),
+ ".cgot") == 0);
addend -= sec->output_section->vma + sec->output_offset + 0x8000;
break;
case R_PPC_PLTREL24:
- if (h == NULL || ifunc != NULL)
- break;
- /* Relocation is to the entry for this symbol in the
- procedure linkage table. */
- {
- struct plt_entry *ent = find_plt_ent (&h->plt.plist, got2,
- info->shared ? addend : 0);
- addend = 0;
- if (ent == NULL
- || htab->plt == NULL)
- {
- /* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code, or when
- using -Bsymbolic. */
- break;
- }
+ if (h != NULL && ifunc == NULL)
+ {
+ struct plt_entry *ent = find_plt_ent (&h->plt.plist, got2,
+ info->shared ? addend : 0);
+ if (ent == NULL
+ || htab->plt == NULL)
+ {
+ /* We didn't make a PLT entry for this symbol. This
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
+ }
+ else
+ {
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+ unresolved_reloc = FALSE;
+ if (htab->plt_type == PLT_NEW)
+ relocation = (htab->glink->output_section->vma
+ + htab->glink->output_offset
+ + ent->glink_offset);
+ else
+ relocation = (htab->plt->output_section->vma
+ + htab->plt->output_offset
+ + ent->plt.offset);
+ }
+ }
- unresolved_reloc = FALSE;
- if (htab->plt_type == PLT_NEW)
- relocation = (htab->glink->output_section->vma
- + htab->glink->output_offset
- + ent->glink_offset);
- else
- relocation = (htab->plt->output_section->vma
- + htab->plt->output_offset
- + ent->plt.offset);
- }
+ /* R_PPC_PLTREL24 is rather special. If non-zero, the
+ addend specifies the GOT pointer offset within .got2.
+ Don't apply it to the relocation field. */
+ addend = 0;
break;
/* Relocate against _SDA_BASE_. */
}
addend -= SYM_VAL (sda);
- name = bfd_get_section_name (abfd, sec->output_section);
+ name = bfd_get_section_name (output_bfd, sec->output_section);
if (! ((CONST_STRNEQ (name, ".sdata")
&& (name[6] == 0 || name[6] == '.'))
|| (CONST_STRNEQ (name, ".sbss")
&& (name[5] == 0 || name[5] == '.'))))
{
- (*_bfd_error_handler)
- (_("%B: the target (%s) of a %s relocation is "
- "in the wrong output section (%s)"),
+ info->callbacks->einfo
+ (_("%P: %B: the target (%s) of a %s relocation is "
+ "in the wrong output section (%s)\n"),
input_bfd,
sym_name,
howto->name,
}
addend -= SYM_VAL (sda);
- name = bfd_get_section_name (abfd, sec->output_section);
+ name = bfd_get_section_name (output_bfd, sec->output_section);
if (! (CONST_STRNEQ (name, ".sdata2")
|| CONST_STRNEQ (name, ".sbss2")))
{
- (*_bfd_error_handler)
- (_("%B: the target (%s) of a %s relocation is "
- "in the wrong output section (%s)"),
+ info->callbacks->einfo
+ (_("%P: %B: the target (%s) of a %s relocation is "
+ "in the wrong output section (%s)\n"),
input_bfd,
sym_name,
howto->name,
}
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;
break;
}
- name = bfd_get_section_name (abfd, sec->output_section);
+ name = bfd_get_section_name (output_bfd, sec->output_section);
if (((CONST_STRNEQ (name, ".sdata")
&& (name[6] == 0 || name[6] == '.'))
|| (CONST_STRNEQ (name, ".sbss")
}
else
{
- (*_bfd_error_handler)
- (_("%B: the target (%s) of a %s relocation is "
- "in the wrong output section (%s)"),
+ info->callbacks->einfo
+ (_("%P: %B: the target (%s) of a %s relocation is "
+ "in the wrong output section (%s)\n"),
input_bfd,
sym_name,
howto->name,
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. */
}
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 (output_bfd, 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:
case R_PPC_EMB_RELST_HI:
case R_PPC_EMB_RELST_HA:
case R_PPC_EMB_BIT_FLD:
- (*_bfd_error_handler)
- (_("%B: relocation %s is not yet supported for symbol %s."),
+ info->callbacks->einfo
+ (_("%P: %B: relocation %s is not yet supported for symbol %s\n"),
input_bfd,
howto->name,
sym_name);
Bits 0:15 are not used. */
addend += 0x8000;
break;
+
+ case R_PPC_ADDR16:
+ case R_PPC_ADDR16_LO:
+ case R_PPC_GOT16:
+ case R_PPC_GOT16_LO:
+ case R_PPC_SDAREL16:
+ case R_PPC_SECTOFF:
+ case R_PPC_SECTOFF_LO:
+ case R_PPC_DTPREL16:
+ case R_PPC_DTPREL16_LO:
+ case R_PPC_TPREL16:
+ case R_PPC_TPREL16_LO:
+ case R_PPC_GOT_TLSGD16:
+ case R_PPC_GOT_TLSGD16_LO:
+ case R_PPC_GOT_TLSLD16:
+ case R_PPC_GOT_TLSLD16_LO:
+ case R_PPC_GOT_DTPREL16:
+ case R_PPC_GOT_DTPREL16_LO:
+ case R_PPC_GOT_TPREL16:
+ case R_PPC_GOT_TPREL16_LO:
+ {
+ /* The 32-bit ABI lacks proper relocations to deal with
+ certain 64-bit instructions. Prevent damage to bits
+ that make up part of the insn opcode. */
+ unsigned int insn, mask, lobit;
+
+ insn = bfd_get_32 (output_bfd, contents + rel->r_offset - d_offset);
+ mask = 0;
+ if (is_insn_ds_form (insn))
+ mask = 3;
+ else if (is_insn_dq_form (insn))
+ mask = 15;
+ else
+ break;
+ lobit = mask & (relocation + addend);
+ if (lobit != 0)
+ {
+ addend -= lobit;
+ info->callbacks->einfo
+ (_("%P: %H: error: %s against `%s' not a multiple of %u\n"),
+ input_bfd, input_section, rel->r_offset,
+ howto->name, sym_name, mask + 1);
+ bfd_set_error (bfd_error_bad_value);
+ ret = FALSE;
+ }
+ addend += insn & mask;
+ }
+ break;
}
#ifdef DEBUG
if (unresolved_reloc
&& !((input_section->flags & SEC_DEBUGGING) != 0
- && h->def_dynamic))
+ && h->def_dynamic)
+ && _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset) != (bfd_vma) -1)
{
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
- input_bfd,
- input_section,
- (long) rel->r_offset,
+ info->callbacks->einfo
+ (_("%P: %H: unresolvable %s relocation against symbol `%s'\n"),
+ input_bfd, input_section, rel->r_offset,
howto->name,
sym_name);
ret = FALSE;
}
else
{
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): %s reloc against `%s': error %d"),
- input_bfd, input_section,
- (long) rel->r_offset, howto->name, sym_name, (int) r);
+ info->callbacks->einfo
+ (_("%P: %H: %s reloc against `%s': error %d\n"),
+ input_bfd, input_section, rel->r_offset,
+ howto->name, sym_name, (int) r);
ret = FALSE;
}
}
{
bfd_vma got_offset;
const bfd_vma *plt_entry;
-
+
/* The first three entries in .got.plt are reserved. */
got_offset = (reloc_index + 3) * 4;
low-order 16 bits of the load instruction. */
/* NOTE: It appears that this is now an index rather than a
prescaled offset. */
- bfd_put_32 (output_bfd,
+ bfd_put_32 (output_bfd,
plt_entry[4] | reloc_index,
htab->plt->contents + ent->plt.offset + 16);
/* This instruction is a PC-relative branch whose target is
The address is encoded in bits 6-29, inclusive. The value
stored is right-shifted by two bits, permitting a 26-bit
offset. */
- bfd_put_32 (output_bfd,
- (plt_entry[5]
+ bfd_put_32 (output_bfd,
+ (plt_entry[5]
| (-(ent->plt.offset + 20) & 0x03fffffc)),
htab->plt->contents + ent->plt.offset + 20);
bfd_put_32 (output_bfd, plt_entry[6],
htab->plt->contents + ent->plt.offset + 28);
/* Fill in the GOT entry corresponding to this PLT slot with
- the address immediately after the the "bctr" instruction
+ the address immediately after the "bctr" instruction
in this PLT entry. */
bfd_put_32 (output_bfd, (htab->plt->output_section->vma
+ htab->plt->output_offset
relocation. */
sym->st_shndx = (_bfd_elf_section_from_bfd_section
(output_bfd, htab->glink->output_section));
- sym->st_value = (ent->glink_offset +
- htab->glink->output_offset
+ sym->st_value = (ent->glink_offset
+ + htab->glink->output_offset
+ htab->glink->output_section->vma);
}
doneone = TRUE;
fprintf (stderr, "\n");
#endif
- /* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || (!htab->is_vxworks
- && (h == htab->elf.hgot
- || strcmp (h->root.root.string,
- "_PROCEDURE_LINKAGE_TABLE_") == 0)))
- sym->st_shndx = SHN_ABS;
-
return TRUE;
}
\f
static enum elf_reloc_type_class
-ppc_elf_reloc_type_class (const Elf_Internal_Rela *rela)
+ppc_elf_reloc_type_class (const struct bfd_link_info *info,
+ const asection *rel_sec,
+ const Elf_Internal_Rela *rela)
{
+ struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
+
+ if (rel_sec == htab->reliplt)
+ return reloc_class_ifunc;
+
switch (ELF32_R_TYPE (rela->r_info))
{
case R_PPC_RELATIVE:
return reloc_class_relative;
- case R_PPC_REL24:
- case R_PPC_ADDR24:
case R_PPC_JMP_SLOT:
return reloc_class_plt;
case R_PPC_COPY:
htab = ppc_elf_hash_table (info);
dynobj = elf_hash_table (info)->dynobj;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (htab->is_vxworks)
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = bfd_get_linker_section (dynobj, ".plt");
else
splt = NULL;
}
else
{
- (*_bfd_error_handler) (_("%s not defined in linker created %s"),
- htab->elf.hgot->root.root.string,
- (htab->sgotplt != NULL
- ? htab->sgotplt->name : htab->got->name));
+ info->callbacks->einfo (_("%P: %s not defined in linker created %s\n"),
+ htab->elf.hgot->root.root.string,
+ (htab->sgotplt != NULL
+ ? htab->sgotplt->name : htab->got->name));
bfd_set_error (bfd_error_bad_value);
ret = FALSE;
}
if (splt && splt->size > 0)
{
/* Use the right PLT. */
- static const bfd_vma *plt_entry = NULL;
- plt_entry = info->shared ?
- ppc_elf_vxworks_pic_plt0_entry : ppc_elf_vxworks_plt0_entry;
+ const bfd_vma *plt_entry = (info->shared
+ ? ppc_elf_vxworks_pic_plt0_entry
+ : ppc_elf_vxworks_plt0_entry);
if (!info->shared)
{
rela.r_addend = 0;
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
loc += sizeof (Elf32_External_Rela);
-
+
/* Output the @l relocation for the second instruction. */
rela.r_offset = (htab->plt->output_section->vma
+ htab->plt->output_offset
}
}
+ if (htab->glink_eh_frame != NULL
+ && htab->glink_eh_frame->contents != NULL)
+ {
+ unsigned char *p = htab->glink_eh_frame->contents;
+ bfd_vma val;
+
+ p += sizeof (glink_eh_frame_cie);
+ /* FDE length. */
+ p += 4;
+ /* CIE pointer. */
+ p += 4;
+ /* Offset to .glink. */
+ val = (htab->glink->output_section->vma
+ + htab->glink->output_offset);
+ val -= (htab->glink_eh_frame->output_section->vma
+ + htab->glink_eh_frame->output_offset);
+ val -= p - htab->glink_eh_frame->contents;
+ bfd_put_32 (htab->elf.dynobj, val, p);
+
+ if (htab->glink_eh_frame->sec_info_type == SEC_INFO_TYPE_EH_FRAME
+ && !_bfd_elf_write_section_eh_frame (output_bfd, info,
+ htab->glink_eh_frame,
+ htab->glink_eh_frame->contents))
+ return FALSE;
+ }
+
return ret;
}
\f
#define TARGET_BIG_SYM bfd_elf32_powerpc_vec
#define TARGET_BIG_NAME "elf32-powerpc"
#define ELF_ARCH bfd_arch_powerpc
+#define ELF_TARGET_ID PPC32_ELF_DATA
#define ELF_MACHINE_CODE EM_PPC
#ifdef __QNXTARGET__
#define ELF_MAXPAGESIZE 0x1000
#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
#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
#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_processing ppc_elf_section_processing
+
+#include "elf32-target.h"
+
+/* FreeBSD Target */
+
+#undef TARGET_LITTLE_SYM
+#undef TARGET_LITTLE_NAME
+
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM bfd_elf32_powerpc_freebsd_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf32-powerpc-freebsd"
+
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_FREEBSD
+
+#undef elf32_bed
+#define elf32_bed elf32_powerpc_fbsd_bed
#include "elf32-target.h"
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-powerpc-vxworks"
+#undef ELF_OSABI
+
/* VxWorks uses the elf default section flags for .plt. */
static const struct bfd_elf_special_section *
ppc_elf_vxworks_get_sec_type_attr (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
projects / deliverable / binutils-gdb.git / blobdiff