aboutsummaryrefslogtreecommitdiff
path: root/gas/config/tc-i386.c
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2011-08-01 23:04:23 +0000
committerH.J. Lu <hjl.tools@gmail.com>2011-08-01 23:04:23 +0000
commitd7921315bafbc6419613771c6ad075e3cf160a0e (patch)
tree6584835bb8a8d456e85f2b491657a2934aa16032 /gas/config/tc-i386.c
parentc3f7b0e5a192ae55613bed418690637a3ebbc2c5 (diff)
downloadgdb-d7921315bafbc6419613771c6ad075e3cf160a0e.zip
gdb-d7921315bafbc6419613771c6ad075e3cf160a0e.tar.gz
gdb-d7921315bafbc6419613771c6ad075e3cf160a0e.tar.bz2
Check R_X86_64_32 overflow and allow R_X86_64_64 for x32.
bfd/ 2011-08-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/13048 * archures.c (bfd_mach_i386_intel_syntax): New. (bfd_mach_i386_i8086): Updated. (bfd_mach_i386_i386): Likewise. (bfd_mach_x86_64): Likewise. (bfd_mach_x64_32): Likewise. (bfd_mach_i386_i386_intel_syntax): Likewise. (bfd_mach_x86_64_intel_syntax): Likewise. (bfd_mach_x64_32_intel_syntax): Likewise. (bfd_mach_l1om): Likewise. (bfd_mach_l1om_intel_syntax): Likewise. (bfd_mach_k1om): Likewise. (bfd_mach_k1om_intel_syntax): Likewise. * bfd-in2.h: Regenerated. * cpu-i386.c (bfd_i386_compatible): Check mach instead of bits_per_address. (bfd_x64_32_arch_intel_syntax): Set bits_per_address to 64. (bfd_x64_32_arch): Likewise. * elf64-x86-64.c: Include "libiberty.h". (x86_64_elf_howto_table): Append x32 R_X86_64_32. (elf_x86_64_rtype_to_howto): Support x32 R_X86_64_32. (elf_x86_64_reloc_type_lookup): Likewise. (elf_x86_64_reloc_name_lookup): Likewise. (elf_x86_64_relocate_section): Likewise. (elf_x86_64_check_relocs): Allow R_X86_64_64 relocations for x32. gas/ 2011-08-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/13048 * config/tc-i386.c (handle_quad): Removed. (md_pseudo_table): Remove "quad". (tc_gen_reloc): Don't check BFD_RELOC_64 for disallow_64bit_reloc. (x86_dwarf2_addr_size): New. * config/tc-i386.h (x86_dwarf2_addr_size): New. (DWARF2_ADDR_SIZE): Likewise. gas/testsuite/ 2011-08-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/13048 * gas/i386/ilp32/ilp32.exp: Don't run inval. * gas/i386/ilp32/inval.l: Removed. * gas/i386/ilp32/inval.s: Likewise. * gas/i386/ilp32/quad.d: Expect R_X86_64_64 instead of R_X86_64_32. * gas/i386/ilp32/x86-64-pcrel.s: Add tests for movabs. * gas/i386/ilp32/x86-64-pcrel.d: Updated. ld/testsuite/ 2011-08-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/13048 * ld-x86-64/ilp32-6.d: New. * ld-x86-64/ilp32-6.s: Likewise. * ld-x86-64/ilp32-7.d: Likewise. * ld-x86-64/ilp32-7.s: Likewise. * ld-x86-64/ilp32-8.d: Likewise. * ld-x86-64/ilp32-8.s: Likewise. * ld-x86-64/ilp32-9.d: Likewise. * ld-x86-64/ilp32-9.s: Likewise. * ld-x86-64/x86-64.exp: Run ilp32-6, ilp32-7, ilp32-8 and ilp32-9. opcodes/ 2011-08-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/13048 * i386-dis.c (print_insn): Optimize info->mach check.
Diffstat (limited to 'gas/config/tc-i386.c')
-rw-r--r--gas/config/tc-i386.c59
1 files changed, 10 insertions, 49 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 1159572..59182bb 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -182,7 +182,6 @@ static void s_bss (int);
#endif
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
static void handle_large_common (int small ATTRIBUTE_UNUSED);
-static void handle_quad (int);
#endif
static const char *default_arch = DEFAULT_ARCH;
@@ -828,7 +827,6 @@ const pseudo_typeS md_pseudo_table[] =
{"sse_check", set_sse_check, 0},
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
{"largecomm", handle_large_common, 0},
- {"quad", handle_quad, 8},
#else
{"file", (void (*) (int)) dwarf2_directive_file, 0},
{"loc", dwarf2_directive_loc, 0},
@@ -9059,7 +9057,6 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
if (disallow_64bit_reloc)
switch (code)
{
- case BFD_RELOC_64:
case BFD_RELOC_X86_64_DTPOFF64:
case BFD_RELOC_X86_64_TPOFF64:
case BFD_RELOC_64_PCREL:
@@ -9169,6 +9166,16 @@ tc_x86_frame_initial_instructions (void)
}
int
+x86_dwarf2_addr_size (void)
+{
+#if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF)
+ if (x86_elf_abi == X86_64_X32_ABI)
+ return 4;
+#endif
+ return bfd_arch_bits_per_address (stdoutput) / 8;
+}
+
+int
i386_elf_section_type (const char *str, size_t len)
{
if (flag_code == CODE_64BIT
@@ -9267,50 +9274,4 @@ handle_large_common (int small ATTRIBUTE_UNUSED)
bss_section = saved_bss_section;
}
}
-
-static void
-handle_quad (int nbytes)
-{
- expressionS exp;
-
- if (x86_elf_abi != X86_64_X32_ABI)
- {
- cons (nbytes);
- return;
- }
-
- if (is_it_end_of_statement ())
- {
- demand_empty_rest_of_line ();
- return;
- }
-
- do
- {
- if (*input_line_pointer == '"')
- {
- as_bad (_("unexpected `\"' in expression"));
- ignore_rest_of_line ();
- return;
- }
- x86_cons (&exp, nbytes);
- /* Output 4 bytes if not constant. */
- if (exp.X_op != O_constant)
- nbytes = 4;
- emit_expr (&exp, (unsigned int) nbytes);
- /* Zero-extends to 8 bytes if not constant. */
- if (nbytes == 4)
- {
- memset (&exp, '\0', sizeof (exp));
- exp.X_op = O_constant;
- emit_expr (&exp, nbytes);
- }
- nbytes = 8;
- }
- while (*input_line_pointer++ == ',');
-
- input_line_pointer--; /* Put terminator back into stream. */
-
- demand_empty_rest_of_line ();
-}
#endif /* OBJ_ELF || OBJ_MAYBE_ELF */