diff options
Diffstat (limited to 'sysdeps/arm/sysdep.h')
| -rw-r--r-- | sysdeps/arm/sysdep.h | 54 |
1 files changed, 3 insertions, 51 deletions
diff --git a/sysdeps/arm/sysdep.h b/sysdeps/arm/sysdep.h index 29008b4ba0..21673feea2 100644 --- a/sysdeps/arm/sysdep.h +++ b/sysdeps/arm/sysdep.h @@ -1,5 +1,5 @@ /* Assembler macros for ARM. - Copyright (C) 1997-2016 Free Software Foundation, Inc. + Copyright (C) 1997-2018 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 @@ -150,7 +150,6 @@ second version uses it. */ # define LDST_INDEXED_NOINDEX(OP, R, T, X, Y) \ add T, X, Y; \ - sfi_breg T, \ OP R, [T] # define LDST_INDEXED_INDEX(OP, R, X, Y) \ OP R, [X, Y] @@ -198,7 +197,7 @@ # define LDR_GLOBAL(R, T, SYMBOL, CONSTANT) \ movw T, #:lower16:SYMBOL; \ movt T, #:upper16:SYMBOL; \ - sfi_breg T, ldr R, [\B, $CONSTANT] + ldr R, [T, $CONSTANT] # elif defined (ARCH_HAS_T2) && defined (PIC) && ARM_PCREL_MOVW_OK # define LDR_GLOBAL(R, T, SYMBOL, CONSTANT) \ movw R, #:lower16:_GLOBAL_OFFSET_TABLE_ - 97f - PC_OFS; \ @@ -212,7 +211,7 @@ 97: add R, R, pc; \ 98: LDST_PC_INDEXED (ldr, T, T, T); \ LDST_INDEXED (ldr, R, T, R, T); \ - sfi_breg R, ldr R, [\B, $CONSTANT] + ldr R, [R, $CONSTANT] # else # define LDR_GLOBAL(R, T, SYMBOL, CONSTANT) \ ldr T, 99f; \ @@ -277,53 +276,6 @@ cfi_restore_state # endif /* ARCH_HAS_HARD_TP */ -# ifndef ARM_SFI_MACROS -# define ARM_SFI_MACROS 1 -/* This assembly macro is prepended to any load/store instruction, - pulling the base register out of the addressing mode syntax and - making it the first operand of the macro. For example: - ldr r0, [r1] - becomes: - sfi_breg r1, ldr r0, [\B] - The \B stands in for the base register that is the first operand - to the macro, so we can avoid error-prone repetition of the base - register in two places on the line. - - This is used for all memory access through a base register other - than PC or SP. It's intended to support SFI schemes such as - Native Client, where the OS will enforce that all load/store - instructions use a special form. In any such configuration, - another sysdep.h file will have defined ARM_SFI_MACROS and - provided its own assembly macros with the same interface. */ - - .macro sfi_breg basereg, insn, operands:vararg - .macro _sfi_breg_doit B - \insn \operands - .endm - _sfi_breg_doit \basereg - .purgem _sfi_breg_doit - .endm - -/* This assembly macro replaces the "pld" instruction. - The syntax: - sfi_pld REGISTER, #OFFSET - is exactly equivalent to: - sfi_breg REGISTER, pld [\B, #OFFSET] - (and ", #OFFSET" is optional). We have a separate macro - only to work around a bug in GAS versions prior to 2.23.2, - that misparses the sfi_breg macro expansion in this case. */ - - .macro sfi_pld basereg, offset=#0 - pld [\basereg, \offset] - .endm - -/* This macro precedes any instruction that directly changes the SP. - It's not needed for push/pop or for any kind of load or store that - implicitly changes the SP via the ! syntax. */ -# define sfi_sp /* Nothing to do. */ - -# endif - /* These are the directives used for EABI unwind info. Wrap them in macros so another configuration's sysdep.h file can define them away if it doesn't use EABI unwind info. */ |