Differential D9407 Diff 24796 contrib/binutils/bfd/elf64-mips.c

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contrib/binutils/bfd/elf64-mips.c

Show First 20 Lines • Show All 1,667 Lines • ▼ Show 20 Lines	static reloc_howto_type elf_mips_gnu_rela16_s2 =
0, /* bitpos */		0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */		complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */		_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_GNU_REL16_S2", /* name */		"R_MIPS_GNU_REL16_S2", /* name */
FALSE, /* partial_inplace */		FALSE, /* partial_inplace */
0, /* src_mask */		0, /* src_mask */
0x0000ffff, /* dst_mask */		0x0000ffff, /* dst_mask */
TRUE); /* pcrel_offset */		TRUE); /* pcrel_offset */

		/* 32 bit pc-relative. This was a GNU extension used by embedded-PIC.
		It was co-opted by mips-linux for exception-handling data. */
		/* XXXBD: blind cut and paste from elf32-mips.c */
		static reloc_howto_type elf_mips_gnu_pcrel32 =
		HOWTO (R_MIPS_PC32, /* type */
		0, /* rightshift */
		2, /* size (0 = byte, 1 = short, 2 = long) */
		32, /* bitsize */
		TRUE, /* pc_relative */
		0, /* bitpos */
		complain_overflow_signed, /* complain_on_overflow */
		_bfd_mips_elf_generic_reloc, /* special_function */
		"R_MIPS_PC32", /* name */
		TRUE, /* partial_inplace */
		0xffffffff, /* src_mask */
		0xffffffff, /* dst_mask */
		TRUE); /* pcrel_offset */
␌		␌
		sbrunoAuthorUnsubmitted Not Done Inline Actions All of these changes are stolen from CHERI. Thanks guys! sbruno: All of these changes are stolen from CHERI. Thanks guys!
/* Swap in a MIPS 64-bit Rel reloc. */		/* Swap in a MIPS 64-bit Rel reloc. */

static void		static void
mips_elf64_swap_reloc_in (bfd abfd, const Elf64_Mips_External_Rel src,		mips_elf64_swap_reloc_in (bfd abfd, const Elf64_Mips_External_Rel src,
Elf64_Mips_Internal_Rela *dst)		Elf64_Mips_Internal_Rela *dst)
{		{
dst->r_offset = H_GET_64 (abfd, src->r_offset);		dst->r_offset = H_GET_64 (abfd, src->r_offset);
dst->r_sym = H_GET_32 (abfd, src->r_sym);		dst->r_sym = H_GET_32 (abfd, src->r_sym);
▲ Show 20 Lines • Show All 541 Lines • ▼ Show 20 Lines	return &howto16_table[(int) mips16_reloc_map[i].elf_val];
}		}

switch (code)		switch (code)
{		{
case BFD_RELOC_VTABLE_INHERIT:		case BFD_RELOC_VTABLE_INHERIT:
return &elf_mips_gnu_vtinherit_howto;		return &elf_mips_gnu_vtinherit_howto;
case BFD_RELOC_VTABLE_ENTRY:		case BFD_RELOC_VTABLE_ENTRY:
return &elf_mips_gnu_vtentry_howto;		return &elf_mips_gnu_vtentry_howto;
		case BFD_RELOC_32_PCREL:
		return &elf_mips_gnu_pcrel32;
		sbrunoAuthorUnsubmitted Not Done Inline Actions Stolen from CHERI sbruno: Stolen from CHERI
default:		default:
bfd_set_error (bfd_error_bad_value);		bfd_set_error (bfd_error_bad_value);
return NULL;		return NULL;
}		}
}		}

static reloc_howto_type *		static reloc_howto_type *
bfd_elf64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,		bfd_elf64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
Show All 15 Lines	for (i = 0;
if (mips16_elf64_howto_table_rela[i].name != NULL		if (mips16_elf64_howto_table_rela[i].name != NULL
&& strcasecmp (mips16_elf64_howto_table_rela[i].name, r_name) == 0)		&& strcasecmp (mips16_elf64_howto_table_rela[i].name, r_name) == 0)
return &mips16_elf64_howto_table_rela[i];		return &mips16_elf64_howto_table_rela[i];

if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0)		if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0)
return &elf_mips_gnu_vtinherit_howto;		return &elf_mips_gnu_vtinherit_howto;
if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0)		if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0)
return &elf_mips_gnu_vtentry_howto;		return &elf_mips_gnu_vtentry_howto;
		if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0)
		return &elf_mips_gnu_pcrel32;
		sbrunoAuthorUnsubmitted Not Done Inline Actions Stolen from CHERI sbruno: Stolen from CHERI
if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0)		if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0)
return &elf_mips_gnu_rel16_s2;		return &elf_mips_gnu_rel16_s2;
if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0)		if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0)
return &elf_mips_gnu_rela16_s2;		return &elf_mips_gnu_rela16_s2;

return NULL;		return NULL;
}		}

/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */		/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */

static reloc_howto_type *		static reloc_howto_type *
mips_elf64_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p)		mips_elf64_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p)
{		{
switch (r_type)		switch (r_type)
{		{
case R_MIPS_GNU_VTINHERIT:		case R_MIPS_GNU_VTINHERIT:
return &elf_mips_gnu_vtinherit_howto;		return &elf_mips_gnu_vtinherit_howto;
case R_MIPS_GNU_VTENTRY:		case R_MIPS_GNU_VTENTRY:
return &elf_mips_gnu_vtentry_howto;		return &elf_mips_gnu_vtentry_howto;
case R_MIPS_GNU_REL16_S2:		case R_MIPS_GNU_REL16_S2:
if (rela_p)		if (rela_p)
return &elf_mips_gnu_rela16_s2;		return &elf_mips_gnu_rela16_s2;
else		else
return &elf_mips_gnu_rel16_s2;		return &elf_mips_gnu_rel16_s2;
		case R_MIPS_PC32:
		return &elf_mips_gnu_pcrel32;
		sbrunoAuthorUnsubmitted Not Done Inline Actions Stolen from CHERI sbruno: Stolen from CHERI
default:		default:
if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)		if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
{		{
if (rela_p)		if (rela_p)
return &mips16_elf64_howto_table_rela[r_type - R_MIPS16_min];		return &mips16_elf64_howto_table_rela[r_type - R_MIPS16_min];
else		else
return &mips16_elf64_howto_table_rel[r_type - R_MIPS16_min];		return &mips16_elf64_howto_table_rel[r_type - R_MIPS16_min];
}		}
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