84 lines
2.1 KiB
Diff
84 lines
2.1 KiB
Diff
Taken from the Optware fork Optware-ng:
|
|
alllexx88 libffi: mips: fix build for soft-float
|
|
https://raw.githubusercontent.com/Optware/Optware-ng/master/sources/libffi/mips.softfloat.patch
|
|
|
|
--- src/mips/o32.S.orig 2014-11-08 14:47:24.000000000 +0200
|
|
+++ src/mips/o32.S 2015-04-16 12:03:11.302116104 +0300
|
|
@@ -82,13 +82,16 @@
|
|
|
|
ADDU $sp, 4 * FFI_SIZEOF_ARG # adjust $sp to new args
|
|
|
|
+#ifndef __mips_soft_float
|
|
bnez t0, pass_d # make it quick for int
|
|
+#endif
|
|
REG_L a0, 0*FFI_SIZEOF_ARG($sp) # just go ahead and load the
|
|
REG_L a1, 1*FFI_SIZEOF_ARG($sp) # four regs.
|
|
REG_L a2, 2*FFI_SIZEOF_ARG($sp)
|
|
REG_L a3, 3*FFI_SIZEOF_ARG($sp)
|
|
b call_it
|
|
|
|
+#ifndef __mips_soft_float
|
|
pass_d:
|
|
bne t0, FFI_ARGS_D, pass_f
|
|
l.d $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args
|
|
@@ -130,6 +133,7 @@
|
|
# bne t0, FFI_ARGS_F_D, call_it
|
|
l.s $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args
|
|
l.d $f14, 2*FFI_SIZEOF_ARG($sp) # passing double and float
|
|
+#endif
|
|
|
|
call_it:
|
|
# Load the function pointer
|
|
@@ -158,14 +162,23 @@
|
|
bne t2, FFI_TYPE_FLOAT, retdouble
|
|
jalr t9
|
|
REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp)
|
|
+#ifndef __mips_soft_float
|
|
s.s $f0, 0(t0)
|
|
+#else
|
|
+ REG_S v0, 0(t0)
|
|
+#endif
|
|
b epilogue
|
|
|
|
retdouble:
|
|
bne t2, FFI_TYPE_DOUBLE, noretval
|
|
jalr t9
|
|
REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp)
|
|
+#ifndef __mips_soft_float
|
|
s.d $f0, 0(t0)
|
|
+#else
|
|
+ REG_S v1, 4(t0)
|
|
+ REG_S v0, 0(t0)
|
|
+#endif
|
|
b epilogue
|
|
|
|
noretval:
|
|
@@ -261,9 +274,11 @@
|
|
li $13, 1 # FFI_O32
|
|
bne $16, $13, 1f # Skip fp save if FFI_O32_SOFT_FLOAT
|
|
|
|
+#ifndef __mips_soft_float
|
|
# Store all possible float/double registers.
|
|
s.d $f12, FA_0_0_OFF2($fp)
|
|
s.d $f14, FA_1_0_OFF2($fp)
|
|
+#endif
|
|
1:
|
|
# Call ffi_closure_mips_inner_O32 to do the work.
|
|
la t9, ffi_closure_mips_inner_O32
|
|
@@ -281,6 +296,7 @@
|
|
li $13, 1 # FFI_O32
|
|
bne $16, $13, 1f # Skip fp restore if FFI_O32_SOFT_FLOAT
|
|
|
|
+#ifndef __mips_soft_float
|
|
li $9, FFI_TYPE_FLOAT
|
|
l.s $f0, V0_OFF2($fp)
|
|
beq $8, $9, closure_done
|
|
@@ -288,6 +304,7 @@
|
|
li $9, FFI_TYPE_DOUBLE
|
|
l.d $f0, V0_OFF2($fp)
|
|
beq $8, $9, closure_done
|
|
+#endif
|
|
1:
|
|
REG_L $3, V1_OFF2($fp)
|
|
REG_L $2, V0_OFF2($fp)
|