mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
9aff4b7ac1
Fix typos: --- bfd/bfdio.c | 2 +- bfd/elf32-spu.c | 2 +- bfd/elfnn-aarch64.c | 2 +- binutils/od-xcoff.c | 2 +- config/tcl.m4 | 2 +- gas/config/tc-ia64.c | 2 +- gas/config/tc-sparc.c | 2 +- gas/config/tc-z80.c | 12 ++++++------ gas/doc/c-i386.texi | 6 +++--- gas/doc/c-m32r.texi | 2 +- gas/testsuite/gas/d10v/instruction_packing.d | 2 +- gas/testsuite/gas/z80/atend.d | 2 +- gold/object.h | 2 +- include/gdb/remote-sim.h | 2 +- include/opcode/ChangeLog | 2 +- include/opcode/i960.h | 2 +- ld/testsuite/ld-mips-elf/mips16-pic-1.inc | 2 +- opcodes/aarch64-asm.c | 2 +- opcodes/aarch64-dis.c | 2 +- opcodes/msp430-dis.c | 2 +-
148 lines
3.0 KiB
PHP
148 lines
3.0 KiB
PHP
# Declare a function called NAME and an __fn_NAME stub for it.
|
|
# Make the stub use la_TYPE to load the target address into $2.
|
|
.macro stub,name,type
|
|
.set nomips16
|
|
.section .mips16.fn.\name, "ax", @progbits
|
|
.ent __fn_\name
|
|
__fn_\name:
|
|
la_\type \name
|
|
mfc1 $4,$f12
|
|
jr $2
|
|
nop
|
|
.end __fn_\name
|
|
|
|
.set mips16
|
|
.text
|
|
.ent \name
|
|
\name:
|
|
__fn_local_\name:
|
|
jr $31
|
|
nop
|
|
.end \name
|
|
.endm
|
|
|
|
# Like stub, but ensure NAME is a local symbol.
|
|
.macro lstub,name,type
|
|
stub \name, \type
|
|
.equ local_\name,1
|
|
.endm
|
|
|
|
# Like stub, but ensure NAME is a hidden symbol.
|
|
.macro hstub,name,type
|
|
.globl \name
|
|
.hidden \name
|
|
stub \name, \type
|
|
.endm
|
|
|
|
# Like lstub, but make the MIPS16 function global rather than local.
|
|
.macro gstub,name,type
|
|
.globl \name
|
|
stub \name, \type
|
|
.endm
|
|
|
|
# Use an absolute sequence to load NAME into a register.
|
|
.macro la_noshared,name
|
|
lui $2,%hi(\name)
|
|
addiu $2,$2,%lo(\name)
|
|
.endm
|
|
|
|
# Use the normal PIC sequence to load __fn_local_NAME into $2
|
|
# and emit a dummy relocation against NAME. This macro is always
|
|
# used at the start of a function.
|
|
.macro la_shared,name
|
|
.reloc 0,R_MIPS_NONE,\name
|
|
.cpload $25
|
|
la $2,__fn_local_\name
|
|
.endm
|
|
|
|
# Use TYPE (either LSTUB, HSTUB or GSTUB) to define functions
|
|
# called a_NAME and b_NAME. The former uses absolute accesses
|
|
# and the latter uses PIC accesses.
|
|
.macro decl,name,type
|
|
\type a_\name, noshared
|
|
\type b_\name, shared
|
|
.endm
|
|
|
|
# Emit the MIPS16 PIC sequence for setting $28 from $25.
|
|
# Make the value of $25 available in $2 as well.
|
|
.macro cpload_mips16
|
|
li $2,%hi(_gp_disp)
|
|
addiu $3,$pc,%lo(_gp_disp)
|
|
sll $2,16
|
|
addu $2,$2,$3
|
|
move $28,$2
|
|
.endm
|
|
|
|
# Likewise, but for non-MIPS16 code.
|
|
.macro cpload_nomips16
|
|
.cpload $25
|
|
move $2,$28
|
|
.endm
|
|
|
|
# Start a PIC function in ISA mode MODE, which is either "mips16"
|
|
# or "nomips16".
|
|
.macro pic_prologue,mode
|
|
cpload_\mode
|
|
addiu $sp,$sp,-32
|
|
sw $2,16($sp)
|
|
sw $31,20($sp)
|
|
.endm
|
|
|
|
# Use a PIC function to call NAME.
|
|
.macro pic_call,name,mode
|
|
.ifdef local_\name
|
|
.ifc \mode,mips16
|
|
lw $2,%got(__fn_local_\name)($2)
|
|
addiu $2,%lo(__fn_local_\name)
|
|
.else
|
|
lw $2,%got(\name)($2)
|
|
addiu $2,%lo(\name)
|
|
.endif
|
|
.else
|
|
lw $2,%call16(\name)($2)
|
|
.endif
|
|
jalr $2
|
|
move $25,$2
|
|
lw $2,16($sp)
|
|
move $28,$2
|
|
.endm
|
|
|
|
# Finish a PIC function started by pic_prologue.
|
|
.macro pic_epilogue
|
|
lw $2,20($sp)
|
|
jr $2
|
|
addiu $sp,$sp,32
|
|
.endm
|
|
|
|
# Use PIC %call16 sequences to call a_NAME and b_NAME.
|
|
# MODE selects the ISA mode of the code: either "mips16"
|
|
# or "nomips16".
|
|
.macro callpic,name,mode
|
|
.text
|
|
.set \mode
|
|
.ent callpic_\name\()_\mode
|
|
callpic_\name\()_\mode:
|
|
pic_prologue \mode
|
|
pic_call a_\name,\mode
|
|
pic_call b_\name,\mode
|
|
pic_epilogue
|
|
.end callpic_\name\()_\mode
|
|
.endm
|
|
|
|
# Use absolute jals to call a_NAME and b_NAME. MODE selects the
|
|
# ISA mode of the code: either "mips16" or "nomips16".
|
|
.macro jals,name,mode
|
|
.text
|
|
.set \mode
|
|
.ent jals_\name\()_\mode
|
|
jals_\name\()_\mode:
|
|
.option pic0
|
|
jal a_\name
|
|
nop
|
|
|
|
jal b_\name
|
|
nop
|
|
.option pic2
|
|
.end jals_\name\()_\mode
|
|
.endm
|