glibc/sysdeps/hppa/dl-fptr.h
John David Anglin 800a496acb Improve PIC pc-relative instruction sequences on hppa.
* sysdeps/hppa/dl-fptr.c (elf_machine_resolve): Remove unnecessary
	depi instruction from PIC pc-relative sequence.
	* sysdeps/hppa/dl-fptr.h (ELF_MACHINE_LOAD_ADDRESS): Likewise.
	* sysdeps/hppa/dl-machine.h (elf_machine_dynamic): Likewise.
	(elf_machine_load_address): Likewise.
	(elf_machine_runtime_setup): Likewise.
2017-12-02 11:04:16 -05:00

39 lines
1.4 KiB
C

/* Function descriptors. HPPA version.
Copyright (C) 2003-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef dl_hppa_fptr_h
#define dl_hppa_fptr_h 1
#include <sysdeps/generic/dl-fptr.h>
/* Initialize function pointer code. Call before relocation processing. */
extern void _dl_fptr_init (void);
/* There are currently 33 dynamic symbols in ld.so.
ELF_MACHINE_BOOT_FPTR_TABLE_LEN needs to be at least that big. */
#define ELF_MACHINE_BOOT_FPTR_TABLE_LEN 64
#define ELF_MACHINE_LOAD_ADDRESS(var, symbol) \
asm ( \
" b,l 1f,%0\n" \
" addil L'" #symbol " - ($PIC_pcrel$0 - 1),%0\n" \
"1: ldo R'" #symbol " - ($PIC_pcrel$0 - 5)(%%r1),%0\n" \
: "=&r" (var) : : "r1");
#endif /* !dl_hppa_fptr_h */