binutils-gdb/ld/testsuite/ld-i386/lea1.s

	.section	my_section,"aw",@progbits
	.long	0x12345678
	.text
	.globl	foo
	.type	foo, @function
foo:
	ret
	.size	foo, .-foo
	.globl	_start
	.type	_start, @function
_start:
	movl	foo@GOT(%ecx), %eax
	movl	bar@GOT(%ecx), %eax
	movl	__start_my_section@GOT(%ecx), %eax
	movl	__stop_my_section@GOT(%ecx), %eax
	.size	_start, .-_start
	.comm	pad,4,4
	.comm	bar,4,4
Properly convert address load of __start_XXX/__stop_XXX Since __start_XXX and __stop_XXX symbols aren't defined when address load is being converted, we need to check if there is an XXX output section to get their section and value. This patch adds a new function, bfd_link_get_defined_symbol, to search for the XXX output section to check if __start_XXX and __stop_XXX symbols are defined. bfd/ PR ld/19171 * elf32-i386.c (elf_i386_convert_load): Call bfd_link_get_defined_symbol to check if a symbol is defined. * elf64-x86-64.c (elf_x86_64_convert_load): Call bfd_link_get_defined_symbol to get defined symbol section and value. * linker.c (bfd_link_get_defined_symbol): New function. * bfd-in2.h: Regenerated. ld/testsuite/ PR ld/19171 * ld-i386/lea1.s: Add tests for address load of __start_XXX and __stop_XXX. * ld-i386/mov1.s: Likewise. * ld-x86-64/lea1.s: Likewise. * ld-x86-64/mov1.s: Likewise. * ld-i386/lea1a.d: Updated. * ld-i386/lea1b.d: Likewise. * ld-i386/lea1c.d: Likewise. * ld-i386/mov1a.d: Likewise. * ld-i386/mov1b.d: Likewise. * ld-x86-64/lea1a.d: Likewise. * ld-x86-64/lea1b.d: Likewise. * ld-x86-64/lea1c.d: Likewise. * ld-x86-64/lea1d.d: Likewise. * ld-x86-64/lea1e.d: Likewise. * ld-x86-64/lea1f.d: Likewise. * ld-x86-64/mov1a.d: Likewise. * ld-x86-64/mov1b.d: Likewise. * ld-x86-64/mov1c.d: Likewise. * ld-x86-64/mov1d.d: Likewise. 2015-10-26 21:10:23 +08:00			`.section my_section,"aw",@progbits`
			`.long 0x12345678`
Convert mov to lea for loading local function address bfd/ * elf32-i386.c (elf_i386_relocate_section): Convert "mov foo@GOT(%reg), %reg" to "lea foo@GOTOFF(%reg), %reg" for local symbols. * elf64-x86-64.c (elf_x86_64_relocate_section): Convert "mov foo@GOTPCREL(%rip), %reg" to "lea foo(%rip), %reg" for local symbols. ld/testsuite/ * ld-i386/i386.exp: Run lea1a, lea1b, lea1c. * ld-x86-64/x86-64.exp: Run lea1a, lea1b, lea1c, lea1d, lea1e, lea1f. * ld-i386/lea1.s: New file. * ld-i386/lea1a.d: Likewise. * ld-i386/lea1b.d: Likewise. * ld-i386/lea1c.d: Likewise. * ld-x86-64/lea1.s: Likewise. * ld-x86-64/lea1a.d: Likewise. * ld-x86-64/lea1b.d: Likewise. * ld-x86-64/lea1c.d: Likewise. * ld-x86-64/lea1d.d: Likewise. * ld-x86-64/lea1e.d: Likewise. * ld-x86-64/lea1f.d: Likewise. 2012-08-31 12:26:17 +08:00			`.text`
			`.globl foo`
			`.type foo, @function`
			`foo:`
			`ret`
			`.size foo, .-foo`
			`.globl _start`
			`.type _start, @function`
			`_start:`
			`movl foo@GOT(%ecx), %eax`
Convert mov to lea for loading address of local common symbol There is no need to check def_regular when converting mov to lea for loading address of local symbols since def_regular may be false for common symbols and SYMBOL_REFERENCES_LOCAL is sufficient. bfd/ * elf32-i386.c (elf_i386_convert_mov_to_lea): Don't check def_regular. * elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Likewise. ld/testsuite/ * ld-i386/lea1.s: Add a test for loading address of local common symbol. * ld-x86-64/lea1.s: Likewise. * ld-i386/lea1a.d: Updated. * ld-i386/lea1b.d: Likewise. * ld-i386/lea1c.d: Likewise. * ld-x86-64/lea1a.d: Likewise. * ld-x86-64/lea1b.d: Likewise. * ld-x86-64/lea1c.d: Likewise. * ld-x86-64/lea1d.d: Likewise. * ld-x86-64/lea1e.d: Likewise. * ld-x86-64/lea1f.d: Likewise. 2015-10-16 18:14:40 +08:00			`movl bar@GOT(%ecx), %eax`
Properly convert address load of __start_XXX/__stop_XXX Since __start_XXX and __stop_XXX symbols aren't defined when address load is being converted, we need to check if there is an XXX output section to get their section and value. This patch adds a new function, bfd_link_get_defined_symbol, to search for the XXX output section to check if __start_XXX and __stop_XXX symbols are defined. bfd/ PR ld/19171 * elf32-i386.c (elf_i386_convert_load): Call bfd_link_get_defined_symbol to check if a symbol is defined. * elf64-x86-64.c (elf_x86_64_convert_load): Call bfd_link_get_defined_symbol to get defined symbol section and value. * linker.c (bfd_link_get_defined_symbol): New function. * bfd-in2.h: Regenerated. ld/testsuite/ PR ld/19171 * ld-i386/lea1.s: Add tests for address load of __start_XXX and __stop_XXX. * ld-i386/mov1.s: Likewise. * ld-x86-64/lea1.s: Likewise. * ld-x86-64/mov1.s: Likewise. * ld-i386/lea1a.d: Updated. * ld-i386/lea1b.d: Likewise. * ld-i386/lea1c.d: Likewise. * ld-i386/mov1a.d: Likewise. * ld-i386/mov1b.d: Likewise. * ld-x86-64/lea1a.d: Likewise. * ld-x86-64/lea1b.d: Likewise. * ld-x86-64/lea1c.d: Likewise. * ld-x86-64/lea1d.d: Likewise. * ld-x86-64/lea1e.d: Likewise. * ld-x86-64/lea1f.d: Likewise. * ld-x86-64/mov1a.d: Likewise. * ld-x86-64/mov1b.d: Likewise. * ld-x86-64/mov1c.d: Likewise. * ld-x86-64/mov1d.d: Likewise. 2015-10-26 21:10:23 +08:00			`movl __start_my_section@GOT(%ecx), %eax`
			`movl __stop_my_section@GOT(%ecx), %eax`
Convert mov to lea for loading local function address bfd/ * elf32-i386.c (elf_i386_relocate_section): Convert "mov foo@GOT(%reg), %reg" to "lea foo@GOTOFF(%reg), %reg" for local symbols. * elf64-x86-64.c (elf_x86_64_relocate_section): Convert "mov foo@GOTPCREL(%rip), %reg" to "lea foo(%rip), %reg" for local symbols. ld/testsuite/ * ld-i386/i386.exp: Run lea1a, lea1b, lea1c. * ld-x86-64/x86-64.exp: Run lea1a, lea1b, lea1c, lea1d, lea1e, lea1f. * ld-i386/lea1.s: New file. * ld-i386/lea1a.d: Likewise. * ld-i386/lea1b.d: Likewise. * ld-i386/lea1c.d: Likewise. * ld-x86-64/lea1.s: Likewise. * ld-x86-64/lea1a.d: Likewise. * ld-x86-64/lea1b.d: Likewise. * ld-x86-64/lea1c.d: Likewise. * ld-x86-64/lea1d.d: Likewise. * ld-x86-64/lea1e.d: Likewise. * ld-x86-64/lea1f.d: Likewise. 2012-08-31 12:26:17 +08:00			`.size _start, .-_start`
Convert mov to lea for loading address of local common symbol There is no need to check def_regular when converting mov to lea for loading address of local symbols since def_regular may be false for common symbols and SYMBOL_REFERENCES_LOCAL is sufficient. bfd/ * elf32-i386.c (elf_i386_convert_mov_to_lea): Don't check def_regular. * elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Likewise. ld/testsuite/ * ld-i386/lea1.s: Add a test for loading address of local common symbol. * ld-x86-64/lea1.s: Likewise. * ld-i386/lea1a.d: Updated. * ld-i386/lea1b.d: Likewise. * ld-i386/lea1c.d: Likewise. * ld-x86-64/lea1a.d: Likewise. * ld-x86-64/lea1b.d: Likewise. * ld-x86-64/lea1c.d: Likewise. * ld-x86-64/lea1d.d: Likewise. * ld-x86-64/lea1e.d: Likewise. * ld-x86-64/lea1f.d: Likewise. 2015-10-16 18:14:40 +08:00			`.comm pad,4,4`
			`.comm bar,4,4`