old-cross-binutils/ld/testsuite/ld-i386/pcrel16.d

#name: PCREL16 overflow
#as: --32
#ld: -melf_i386 -Ttext 0x0
#objdump: -drj.text -m i8086

.*: +file format elf32-i386

Disassembly of section .text:

0+ <_start>:
	...
     420:	cd 42[ 	]+int    \$0x42
     422:	ca 02 00[ 	]+lret   \$0x2
	...
    f065:	e9 b8 13[ 	]+jmp    420 <_start\+0x420>
bfd/ 2005-07-18 Jan Beulich <jbeulich@novell.com> * elf32-i386.c (elf_howto_table): Adjust overflow complaint handler for R_386_PC16. * elf64-x86-64.c (x86_64_elf_howto_table): Adjust overflow complaint handler for R_X86_64_PC16, R_X86_64_8, and R_X86_64_DTPOFF. ld/testsuite/ 2005-07-18 Jan Beulich <jbeulich@novell.com> * ld-i386/abs.s, ld-i386/zero.s, ld-i386/abs.d, ld-x86-64/abs.d, ld-i386/pcrel16.s, ld-i386/pcrel16.d, ld-x86-64/pcrel16.d, ld-i386/pcrel8.s, ld-i386/pcrel8.d, ld-x86-64/pcrel8.d: New. * ld-i386/i386.exp, ld-x86-64/x86-64.exp: Run new tests. 2005-07-18 06:23:40 +00:00			`#name: PCREL16 overflow`
include/elf/ChangeLog: Introduce TLS descriptors for i386 and x86_64. * common.h (DT_TLSDESC_GOT, DT_TLSDESC_PLT): New. * i386.h (R_386_TLS_GOTDESC, R_386_TLS_DESC_CALL, R_386_TLS_DESC): New. * x86-64.h (R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC_CALL, R_X86_64_TLSDESC): New. bfd/ChangeLog: Introduce TLS descriptors for i386 and x86_64. * reloc.c (BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC, BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_GOTPC32_TLSDESC, BFD_RELOC_X86_64_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL): New. * libbfd.h, bfd-in2.h: Rebuilt. * elf32-i386.c (elf_howto_table): New relocations. (R_386_tls): Adjust. (elf_i386_reloc_type_lookup): Map new relocations. (GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros. (GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros. (struct elf_i386_link_hash_entry): Add tlsdesc_got field. (struct elf_i386_obj_tdata): Add local_tlsdesc_gotent field. (elf_i386_local_tlsdesc_gotent): New macro. (struct elf_i386_link_hash_table): Add sgotplt_jump_table_size. (elf_i386_compute_jump_table_size): New macro. (link_hash_newfunc): Initialize tlsdesc_got. (elf_i386_link_hash_table_create): Set sgotplt_jump_table_size. (elf_i386_tls_transition): Handle R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL. (elf_i386_check_relocs): Likewise. Allocate space for local_tlsdesc_gotent. (elf_i386_gc_sweep_hook): Handle R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL. (allocate_dynrelocs): Count function PLT relocations. Reserve space for TLS descriptors and relocations. (elf_i386_size_dynamic_sections): Reserve space for TLS descriptors and relocations. Set up sgotplt_jump_table_size. Don't zero reloc_count in srelplt. (elf_i386_always_size_sections): New. Set up _TLS_MODULE_BASE_. (elf_i386_relocate_section): Handle R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL. (elf_i386_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P. (elf_backend_always_size_sections): Define. * elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC, R_X86_64_TLSDESC_CALL. (R_X86_64_standard): Adjust. (x86_64_reloc_map): Map new relocs. (elf64_x86_64_rtype_to_howto): New, split out of... (elf64_x86_64_info_to_howto): ... this function, and... (elf64_x86_64_reloc_type_lookup): ... use it to map elf_reloc_val. (GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros. (GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros. (struct elf64_x86_64_link_hash_entry): Add tlsdesc_got field. (struct elf64_x86_64_obj_tdata): Add local_tlsdesc_gotent field. (elf64_x86_64_local_tlsdesc_gotent): New macro. (struct elf64_x86_64_link_hash_table): Add tlsdesc_plt, tlsdesc_got and sgotplt_jump_table_size fields. (elf64_x86_64_compute_jump_table_size): New macro. (link_hash_newfunc): Initialize tlsdesc_got. (elf64_x86_64_link_hash_table_create): Initialize new fields. (elf64_x86_64_tls_transition): Handle R_X86_64_GOTPC32_TLSDESC and R_X86_64_TLSDESC_CALL. (elf64_x86_64_check_relocs): Likewise. Allocate space for local_tlsdesc_gotent. (elf64_x86_64_gc_sweep_hook): Handle R_X86_64_GOTPC32_TLSDESC and R_X86_64_TLSDESC_CALL. (allocate_dynrelocs): Count function PLT relocations. Reserve space for TLS descriptors and relocations. (elf64_x86_64_size_dynamic_sections): Reserve space for TLS descriptors and relocations. Set up sgotplt_jump_table_size, tlsdesc_plt and tlsdesc_got. Make room for them. Don't zero reloc_count in srelplt. Add dynamic entries for DT_TLSDESC_PLT and DT_TLSDESC_GOT. (elf64_x86_64_always_size_sections): New. Set up _TLS_MODULE_BASE_. (elf64_x86_64_relocate_section): Handle R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL. (elf64_x86_64_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P. (elf64_x86_64_finish_dynamic_sections): Set DT_TLSDESC_PLT and DT_TLSDESC_GOT. Set up TLS descriptor lazy resolver PLT entry. (elf_backend_always_size_sections): Define. binutils/ChangeLog: Introduce TLS descriptors for i386 and x86_64. * readelf.c (get_dynamic_type): Handle DT_TLSDESC_GOT and DT_TLSDESC_PLT. gas/ChangeLog: Introduce TLS descriptors for i386 and x86_64. * config/tc-i386.c (tc_i386_fix_adjustable): Handle BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_GOTPC32_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL. (optimize_disp): Emit fix up for BFD_RELOC_386_TLS_DESC_CALL and BFD_RELOC_X86_64_TLSDESC_CALL immediately, and clear the displacement bits. (build_modrm_byte): Set up zero modrm for TLS desc calls. (lex_got): Handle @tlsdesc and @tlscall. (md_apply_fix, tc_gen_reloc): Handle the new relocations. ld/testsuite/ChangeLog: Introduce TLS descriptors for i386 and x86_64. * ld-i386/i386.exp: Run on x86_64--linux and amd64--linux. Add new tests. * ld-i386/pcrel16.d: Add -melf_i386. * ld-i386/pcrel8.d: Likewise. * ld-i386/tlsbindesc.dd: New. * ld-i386/tlsbindesc.rd: New. * ld-i386/tlsbindesc.s: New. * ld-i386/tlsbindesc.sd: New. * ld-i386/tlsbindesc.td: New. * ld-i386/tlsdesc.dd: New. * ld-i386/tlsdesc.rd: New. * ld-i386/tlsdesc.s: New. * ld-i386/tlsdesc.sd: New. * ld-i386/tlsdesc.td: New. * ld-i386/tlsgdesc.dd: New. * ld-i386/tlsgdesc.rd: New. * ld-i386/tlsgdesc.s: New. * ld-x86-64/x86-64.exp: Run new tests. * ld-x86-64/tlsbindesc.dd: New. * ld-x86-64/tlsbindesc.rd: New. * ld-x86-64/tlsbindesc.s: New. * ld-x86-64/tlsbindesc.sd: New. * ld-x86-64/tlsbindesc.td: New. * ld-x86-64/tlsdesc.dd: New. * ld-x86-64/tlsdesc.pd: New. * ld-x86-64/tlsdesc.rd: New. * ld-x86-64/tlsdesc.s: New. * ld-x86-64/tlsdesc.sd: New. * ld-x86-64/tlsdesc.td: New. * ld-x86-64/tlsgdesc.dd: New. * ld-x86-64/tlsgdesc.rd: New. * ld-x86-64/tlsgdesc.s: New. 2006-01-18 21:07:51 +00:00			`#as: --32`
			`#ld: -melf_i386 -Ttext 0x0`
bfd/ 2005-08-03 H.J. Lu <hongjiu.lu@intel.com> * elf32-i386.c (elf_howto_table): Undo the overflow change for R_386_PC16 made on 2005-07-18. * elf64-x86-64.c (x86_64_elf_howto_table): Undo the overflow change for R_X86_64_PC16 made on 2005-07-18. ld/testsuite/ 2005-08-03 H.J. Lu <hongjiu.lu@intel.com> * ld-i386/pcrel16.d: Updated. * ld-i386/pcrel16.s: Likewise. * ld-x86-64/pcrel16.d: Likewise. 2005-08-03 16:30:34 +00:00			`#objdump: -drj.text -m i8086`

			`.*: +file format elf32-i386`

			`Disassembly of section .text:`

			`0+ <_start>:`
			`...`
			`420: cd 42[ ]+int \$0x42`
			`422: ca 02 00[ ]+lret \$0x2`
			`...`
ld/testsuite/ 2076-02-05 H.J. Lu <hongjiu.lu@intel.com> * ld-i386/pcrel16.d: Undo the last change. * ld-x86-64/pcrel16.d: Likewise. opcodes/ 2076-02-05 H.J. Lu <hongjiu.lu@intel.com> * i386-dis.c (OP_J): Undo the last change. Properly handle 64K wrap around within the same segment in 16bit mode. 2007-02-05 18:22:49 +00:00			`f065: e9 b8 13[ ]+jmp 420 <_start\+0x420>`