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-rw-r--r--src/fenv/x32/fenv.s52
-rw-r--r--src/ldso/x32/start.s22
-rw-r--r--src/math/x32/acosl.s2
-rw-r--r--src/math/x32/asinl.s2
-rw-r--r--src/math/x32/atan2l.s4
-rw-r--r--src/math/x32/atanl.s2
-rw-r--r--src/math/x32/exp2l.s42
-rw-r--r--src/math/x32/expl.s32
-rw-r--r--src/math/x32/fabsl.s2
-rw-r--r--src/math/x32/floorl.s18
-rw-r--r--src/math/x32/fmodl.s4
-rw-r--r--src/math/x32/llrintl.s6
-rw-r--r--src/math/x32/log10l.s2
-rw-r--r--src/math/x32/log1pl.s4
-rw-r--r--src/math/x32/log2l.s2
-rw-r--r--src/math/x32/logl.s2
-rw-r--r--src/math/x32/lrintl.s6
-rw-r--r--src/math/x32/remainderl.s4
-rw-r--r--src/math/x32/rintl.s2
-rw-r--r--src/math/x32/sqrtl.s2
-rw-r--r--src/process/x32/vfork.s2
-rw-r--r--src/signal/x32/restore.s2
-rw-r--r--src/thread/x32/__set_thread_area.s2
-rw-r--r--src/thread/x32/__unmapself.s4
-rw-r--r--src/thread/x32/clone.s6
-rw-r--r--src/thread/x32/syscall_cp.s6
26 files changed, 120 insertions, 114 deletions
diff --git a/src/fenv/x32/fenv.s b/src/fenv/x32/fenv.s
index b5aeaf4f..45310465 100644
--- a/src/fenv/x32/fenv.s
+++ b/src/fenv/x32/fenv.s
@@ -8,14 +8,14 @@ feclearexcept:
test %eax,%ecx
jz 1f
fnclex
-1: stmxcsr -8(%rsp)
+1: stmxcsr -8(%esp)
and $0x3f,%eax
- or %eax,-8(%rsp)
- test %ecx,-8(%rsp)
+ or %eax,-8(%esp)
+ test %ecx,-8(%esp)
jz 1f
not %ecx
- and %ecx,-8(%rsp)
- ldmxcsr -8(%rsp)
+ and %ecx,-8(%esp)
+ ldmxcsr -8(%esp)
1: xor %eax,%eax
ret
@@ -23,9 +23,9 @@ feclearexcept:
.type feraiseexcept,@function
feraiseexcept:
and $0x3f,%edi
- stmxcsr -8(%rsp)
- or %edi,-8(%rsp)
- ldmxcsr -8(%rsp)
+ stmxcsr -8(%esp)
+ or %edi,-8(%esp)
+ ldmxcsr -8(%esp)
xor %eax,%eax
ret
@@ -35,15 +35,15 @@ __fesetround:
push %rax
xor %eax,%eax
mov %edi,%ecx
- fnstcw (%rsp)
- andb $0xf3,1(%rsp)
- or %ch,1(%rsp)
- fldcw (%rsp)
- stmxcsr (%rsp)
+ fnstcw (%esp)
+ andb $0xf3,1(%esp)
+ or %ch,1(%esp)
+ fldcw (%esp)
+ stmxcsr (%esp)
shl $3,%ch
- andb $0x9f,1(%rsp)
- or %ch,1(%rsp)
- ldmxcsr (%rsp)
+ andb $0x9f,1(%esp)
+ or %ch,1(%esp)
+ ldmxcsr (%esp)
pop %rcx
ret
@@ -51,7 +51,7 @@ __fesetround:
.type fegetround,@function
fegetround:
push %rax
- stmxcsr (%rsp)
+ stmxcsr (%esp)
pop %rax
shr $3,%eax
and $0xc00,%eax
@@ -61,27 +61,27 @@ fegetround:
.type fegetenv,@function
fegetenv:
xor %eax,%eax
- fnstenv (%rdi)
- stmxcsr 28(%rdi)
+ fnstenv (%edi)
+ stmxcsr 28(%edi)
ret
.global fesetenv
.type fesetenv,@function
fesetenv:
xor %eax,%eax
- inc %rdi
+ inc %edi
jz 1f
- fldenv -1(%rdi)
- ldmxcsr 27(%rdi)
+ fldenv -1(%edi)
+ ldmxcsr 27(%edi)
ret
1: push %rax
push %rax
pushq $0xffff
pushq $0x37f
- fldenv (%rsp)
+ fldenv (%esp)
pushq $0x1f80
- ldmxcsr (%rsp)
- add $40,%rsp
+ ldmxcsr (%esp)
+ add $40,%esp
ret
.global fetestexcept
@@ -89,7 +89,7 @@ fesetenv:
fetestexcept:
and $0x3f,%edi
push %rax
- stmxcsr (%rsp)
+ stmxcsr (%esp)
pop %rsi
fnstsw %ax
or %esi,%eax
diff --git a/src/ldso/x32/start.s b/src/ldso/x32/start.s
index 80c1d08d..0fcf46dc 100644
--- a/src/ldso/x32/start.s
+++ b/src/ldso/x32/start.s
@@ -1,16 +1,24 @@
.text
.global _start
_start:
- mov (%rsp),%rdi
- lea 8(%rsp),%rsi
+ mov (%rsp),%rdi /* move argc into 1st argument slot */
+ lea 4(%rsp),%rsi /* move argv into 2nd argument slot */
call __dynlink
- pop %rdi
+ /* in case the dynlinker was called directly, it sets the "consumed"
+ argv values to -1. so we must loop over the array as long as -1
+ is in the top argv slot, decrement argc, and then set the stackpointer
+ to the new argc as well as argc's new value.
+ as the x32 abi has longs in the argv array, we cannot use push/pop.*/
+ movl (%rsp),%edi /* copy argc into edi */
+ xor %rdx,%rdx /* we use rdx as an offset to the current argv member */
1: dec %edi
- pop %rsi
- cmp $-1,%rsi
+ addl $4, %edx
+ movl (%rsp, %rdx), %esi
+ cmp $-1,%esi
jz 1b
inc %edi
- push %rsi
- push %rdi
+ subl $4, %edx
+ lea (%rsp, %rdx), %rsp /* set rsp to new argv[-1] */
+ movl %edi, (%rsp) /* write new argc there */
xor %edx,%edx
jmp *%rax
diff --git a/src/math/x32/acosl.s b/src/math/x32/acosl.s
index 88e01b49..1abca12e 100644
--- a/src/math/x32/acosl.s
+++ b/src/math/x32/acosl.s
@@ -3,7 +3,7 @@
.global acosl
.type acosl,@function
acosl:
- fldt 8(%rsp)
+ fldt 8(%esp)
1: fld %st(0)
fld1
fsub %st(0),%st(1)
diff --git a/src/math/x32/asinl.s b/src/math/x32/asinl.s
index ed212d9a..7fe9f127 100644
--- a/src/math/x32/asinl.s
+++ b/src/math/x32/asinl.s
@@ -1,7 +1,7 @@
.global asinl
.type asinl,@function
asinl:
- fldt 8(%rsp)
+ fldt 8(%esp)
1: fld %st(0)
fld1
fsub %st(0),%st(1)
diff --git a/src/math/x32/atan2l.s b/src/math/x32/atan2l.s
index e5f0a3de..1ead0788 100644
--- a/src/math/x32/atan2l.s
+++ b/src/math/x32/atan2l.s
@@ -1,7 +1,7 @@
.global atan2l
.type atan2l,@function
atan2l:
- fldt 8(%rsp)
- fldt 24(%rsp)
+ fldt 8(%esp)
+ fldt 24(%esp)
fpatan
ret
diff --git a/src/math/x32/atanl.s b/src/math/x32/atanl.s
index df76de5d..f475fe0e 100644
--- a/src/math/x32/atanl.s
+++ b/src/math/x32/atanl.s
@@ -1,7 +1,7 @@
.global atanl
.type atanl,@function
atanl:
- fldt 8(%rsp)
+ fldt 8(%esp)
fld1
fpatan
ret
diff --git a/src/math/x32/exp2l.s b/src/math/x32/exp2l.s
index 0d6cd563..d9f4d6ed 100644
--- a/src/math/x32/exp2l.s
+++ b/src/math/x32/exp2l.s
@@ -1,11 +1,11 @@
.global expm1l
.type expm1l,@function
expm1l:
- fldt 8(%rsp)
+ fldt 8(%esp)
fldl2e
fmulp
- movl $0xc2820000,-4(%rsp)
- flds -4(%rsp)
+ movl $0xc2820000,-4(%esp)
+ flds -4(%esp)
fucomp %st(1)
fnstsw %ax
sahf
@@ -35,21 +35,21 @@ expm1l:
.global exp2l
.type exp2l,@function
exp2l:
- fldt 8(%rsp)
+ fldt 8(%esp)
1: fld %st(0)
- sub $16,%rsp
- fstpt (%rsp)
- mov 8(%rsp),%ax
+ sub $16,%esp
+ fstpt (%esp)
+ mov 8(%esp),%ax
and $0x7fff,%ax
cmp $0x3fff+13,%ax
jb 4f # |x| < 8192
cmp $0x3fff+15,%ax
jae 3f # |x| >= 32768
- fsts (%rsp)
- cmpl $0xc67ff800,(%rsp)
+ fsts (%esp)
+ cmpl $0xc67ff800,(%esp)
jb 2f # x > -16382
- movl $0x5f000000,(%rsp)
- flds (%rsp) # 0x1p63
+ movl $0x5f000000,(%esp)
+ flds (%esp) # 0x1p63
fld %st(1)
fsub %st(1)
faddp
@@ -57,10 +57,10 @@ exp2l:
fnstsw
sahf
je 2f # x - 0x1p63 + 0x1p63 == x
- movl $1,(%rsp)
- flds (%rsp) # 0x1p-149
+ movl $1,(%esp)
+ flds (%esp) # 0x1p-149
fdiv %st(1)
- fstps (%rsp) # raise underflow
+ fstps (%esp) # raise underflow
2: fld1
fld %st(1)
frndint
@@ -70,21 +70,21 @@ exp2l:
faddp # 2^(x-rint(x))
1: fscale
fstp %st(1)
- add $16,%rsp
+ add $16,%esp
ret
3: xor %eax,%eax
4: cmp $0x3fff-64,%ax
fld1
jb 1b # |x| < 0x1p-64
- fstpt (%rsp)
- fistl 8(%rsp)
- fildl 8(%rsp)
+ fstpt (%esp)
+ fistl 8(%esp)
+ fildl 8(%esp)
fsubrp %st(1)
- addl $0x3fff,8(%rsp)
+ addl $0x3fff,8(%esp)
f2xm1
fld1
faddp # 2^(x-rint(x))
- fldt (%rsp) # 2^rint(x)
+ fldt (%esp) # 2^rint(x)
fmulp
- add $16,%rsp
+ add $16,%esp
ret
diff --git a/src/math/x32/expl.s b/src/math/x32/expl.s
index 3add810d..aabea45e 100644
--- a/src/math/x32/expl.s
+++ b/src/math/x32/expl.s
@@ -6,11 +6,11 @@
.global expl
.type expl,@function
expl:
- fldt 8(%rsp)
+ fldt 8(%esp)
# interesting case: 0x1p-32 <= |x| < 16384
# check if (exponent|0x8000) is in [0xbfff-32, 0xbfff+13]
- mov 16(%rsp), %ax
+ mov 16(%esp), %ax
or $0x8000, %ax
sub $0xbfdf, %ax
cmp $45, %ax
@@ -29,29 +29,29 @@ expl:
# should be 0x1.71547652b82fe178p0L == 0x3fff b8aa3b29 5c17f0bc
# it will be wrong on non-nearest rounding mode
2: fldl2e
- subq $48, %rsp
+ sub $48, %esp
# hi = log2e_hi*x
# 2^hi = exp2l(hi)
fmul %st(1),%st
fld %st(0)
- fstpt (%rsp)
- fstpt 16(%rsp)
- fstpt 32(%rsp)
+ fstpt (%esp)
+ fstpt 16(%esp)
+ fstpt 32(%esp)
call exp2l
# if 2^hi == inf return 2^hi
fld %st(0)
- fstpt (%rsp)
- cmpw $0x7fff, 8(%rsp)
+ fstpt (%esp)
+ cmpw $0x7fff, 8(%esp)
je 1f
- fldt 32(%rsp)
- fldt 16(%rsp)
+ fldt 32(%esp)
+ fldt 16(%esp)
# fpu stack: 2^hi x hi
# exact mult: x*log2e
fld %st(1)
# c = 0x1p32+1
movq $0x41f0000000100000,%rax
pushq %rax
- fldl (%rsp)
+ fldl (%esp)
# xh = x - c*x + c*x
# xl = x - xh
fmulp
@@ -63,7 +63,7 @@ expl:
# yh = log2e_hi - c*log2e_hi + c*log2e_hi
movq $0x3ff7154765200000,%rax
pushq %rax
- fldl (%rsp)
+ fldl (%esp)
# fpu stack: 2^hi x hi xh xl yh
# lo = hi - xh*yh + xl*yh
fld %st(2)
@@ -74,7 +74,7 @@ expl:
# yl = log2e_hi - yh
movq $0x3de705fc2f000000,%rax
pushq %rax
- fldl (%rsp)
+ fldl (%esp)
# fpu stack: 2^hi x lo xh xl yl
# lo += xh*yl + xl*yl
fmul %st, %st(2)
@@ -87,8 +87,8 @@ expl:
pushq %rax
movq $0x82f0025f2dc582ee,%rax
pushq %rax
- fldt (%rsp)
- addq $40,%rsp
+ fldt (%esp)
+ add $40,%esp
# fpu stack: 2^hi x lo log2e_lo
# lo += log2e_lo*x
# return 2^hi + 2^hi (2^lo - 1)
@@ -97,5 +97,5 @@ expl:
f2xm1
fmul %st(1), %st
faddp
-1: addq $48, %rsp
+1: add $48, %esp
ret
diff --git a/src/math/x32/fabsl.s b/src/math/x32/fabsl.s
index 4e7ab525..4f215df5 100644
--- a/src/math/x32/fabsl.s
+++ b/src/math/x32/fabsl.s
@@ -1,6 +1,6 @@
.global fabsl
.type fabsl,@function
fabsl:
- fldt 8(%rsp)
+ fldt 8(%esp)
fabs
ret
diff --git a/src/math/x32/floorl.s b/src/math/x32/floorl.s
index 80da4660..78dcb6da 100644
--- a/src/math/x32/floorl.s
+++ b/src/math/x32/floorl.s
@@ -1,27 +1,27 @@
.global floorl
.type floorl,@function
floorl:
- fldt 8(%rsp)
+ fldt 8(%esp)
1: mov $0x7,%al
-1: fstcw 8(%rsp)
- mov 9(%rsp),%ah
- mov %al,9(%rsp)
- fldcw 8(%rsp)
+1: fstcw 8(%esp)
+ mov 9(%esp),%ah
+ mov %al,9(%esp)
+ fldcw 8(%esp)
frndint
- mov %ah,9(%rsp)
- fldcw 8(%rsp)
+ mov %ah,9(%esp)
+ fldcw 8(%esp)
ret
.global ceill
.type ceill,@function
ceill:
- fldt 8(%rsp)
+ fldt 8(%esp)
mov $0xb,%al
jmp 1b
.global truncl
.type truncl,@function
truncl:
- fldt 8(%rsp)
+ fldt 8(%esp)
mov $0xf,%al
jmp 1b
diff --git a/src/math/x32/fmodl.s b/src/math/x32/fmodl.s
index ca81e60c..9e4378ab 100644
--- a/src/math/x32/fmodl.s
+++ b/src/math/x32/fmodl.s
@@ -1,8 +1,8 @@
.global fmodl
.type fmodl,@function
fmodl:
- fldt 24(%rsp)
- fldt 8(%rsp)
+ fldt 24(%esp)
+ fldt 8(%esp)
1: fprem
fstsw %ax
sahf
diff --git a/src/math/x32/llrintl.s b/src/math/x32/llrintl.s
index 1ec0817d..09386079 100644
--- a/src/math/x32/llrintl.s
+++ b/src/math/x32/llrintl.s
@@ -1,7 +1,7 @@
.global llrintl
.type llrintl,@function
llrintl:
- fldt 8(%rsp)
- fistpll 8(%rsp)
- mov 8(%rsp),%rax
+ fldt 8(%esp)
+ fistpll 8(%esp)
+ mov 8(%esp),%rax
ret
diff --git a/src/math/x32/log10l.s b/src/math/x32/log10l.s
index 48ea4af7..ef5bea3f 100644
--- a/src/math/x32/log10l.s
+++ b/src/math/x32/log10l.s
@@ -2,6 +2,6 @@
.type log10l,@function
log10l:
fldlg2
- fldt 8(%rsp)
+ fldt 8(%esp)
fyl2x
ret
diff --git a/src/math/x32/log1pl.s b/src/math/x32/log1pl.s
index 955c9dbf..2e64fd4b 100644
--- a/src/math/x32/log1pl.s
+++ b/src/math/x32/log1pl.s
@@ -1,10 +1,10 @@
.global log1pl
.type log1pl,@function
log1pl:
- mov 14(%rsp),%eax
+ mov 14(%esp),%eax
fldln2
and $0x7fffffff,%eax
- fldt 8(%rsp)
+ fldt 8(%esp)
cmp $0x3ffd9400,%eax
ja 1f
fyl2xp1
diff --git a/src/math/x32/log2l.s b/src/math/x32/log2l.s
index ba08b9fb..bf88e8e2 100644
--- a/src/math/x32/log2l.s
+++ b/src/math/x32/log2l.s
@@ -2,6 +2,6 @@
.type log2l,@function
log2l:
fld1
- fldt 8(%rsp)
+ fldt 8(%esp)
fyl2x
ret
diff --git a/src/math/x32/logl.s b/src/math/x32/logl.s
index 20dd1f81..eff64506 100644
--- a/src/math/x32/logl.s
+++ b/src/math/x32/logl.s
@@ -2,6 +2,6 @@
.type logl,@function
logl:
fldln2
- fldt 8(%rsp)
+ fldt 8(%esp)
fyl2x
ret
diff --git a/src/math/x32/lrintl.s b/src/math/x32/lrintl.s
index d587b12b..ee97d1cf 100644
--- a/src/math/x32/lrintl.s
+++ b/src/math/x32/lrintl.s
@@ -1,7 +1,7 @@
.global lrintl
.type lrintl,@function
lrintl:
- fldt 8(%rsp)
- fistpll 8(%rsp)
- mov 8(%rsp),%rax
+ fldt 8(%esp)
+ fistpll 8(%esp)
+ mov 8(%esp),%rax
ret
diff --git a/src/math/x32/remainderl.s b/src/math/x32/remainderl.s
index 75c12374..c97f68ad 100644
--- a/src/math/x32/remainderl.s
+++ b/src/math/x32/remainderl.s
@@ -1,8 +1,8 @@
.global remainderl
.type remainderl,@function
remainderl:
- fldt 24(%rsp)
- fldt 8(%rsp)
+ fldt 24(%esp)
+ fldt 8(%esp)
1: fprem1
fstsw %ax
sahf
diff --git a/src/math/x32/rintl.s b/src/math/x32/rintl.s
index 64e663cd..be1d2fa7 100644
--- a/src/math/x32/rintl.s
+++ b/src/math/x32/rintl.s
@@ -1,6 +1,6 @@
.global rintl
.type rintl,@function
rintl:
- fldt 8(%rsp)
+ fldt 8(%esp)
frndint
ret
diff --git a/src/math/x32/sqrtl.s b/src/math/x32/sqrtl.s
index 23cd687d..8d70856e 100644
--- a/src/math/x32/sqrtl.s
+++ b/src/math/x32/sqrtl.s
@@ -1,5 +1,5 @@
.global sqrtl
.type sqrtl,@function
-sqrtl: fldt 8(%rsp)
+sqrtl: fldt 8(%esp)
fsqrt
ret
diff --git a/src/process/x32/vfork.s b/src/process/x32/vfork.s
index 27af46f5..1039f0f2 100644
--- a/src/process/x32/vfork.s
+++ b/src/process/x32/vfork.s
@@ -5,7 +5,7 @@
__vfork:
vfork:
pop %rdx
- mov $58,%eax
+ mov $0x4000003a,%eax /* SYS_vfork */
syscall
push %rdx
mov %rax,%rdi
diff --git a/src/signal/x32/restore.s b/src/signal/x32/restore.s
index 682af2dd..27cd3cef 100644
--- a/src/signal/x32/restore.s
+++ b/src/signal/x32/restore.s
@@ -4,5 +4,5 @@
.type __restore,@function
__restore_rt:
__restore:
- movl $15, %eax
+ movl $0x40000201, %eax /* SYS_rt_sigreturn */
syscall
diff --git a/src/thread/x32/__set_thread_area.s b/src/thread/x32/__set_thread_area.s
index f3ff4f61..94bc3630 100644
--- a/src/thread/x32/__set_thread_area.s
+++ b/src/thread/x32/__set_thread_area.s
@@ -5,6 +5,6 @@
__set_thread_area:
mov %rdi,%rsi /* shift for syscall */
movl $0x1002,%edi /* SET_FS register */
- movl $158,%eax /* set fs segment to */
+ movl $0x4000009e,%eax /* set fs segment to */
syscall /* arch_prctl(SET_FS, arg)*/
ret
diff --git a/src/thread/x32/__unmapself.s b/src/thread/x32/__unmapself.s
index e2689e65..d9254601 100644
--- a/src/thread/x32/__unmapself.s
+++ b/src/thread/x32/__unmapself.s
@@ -3,8 +3,8 @@
.global __unmapself
.type __unmapself,@function
__unmapself:
- movl $11,%eax /* SYS_munmap */
+ movl $0x4000000b,%eax /* SYS_munmap */
syscall /* munmap(arg2,arg3) */
xor %rdi,%rdi /* exit() args: always return success */
- movl $60,%eax /* SYS_exit */
+ movl $0x4000003c,%eax /* SYS_exit */
syscall /* exit(0) */
diff --git a/src/thread/x32/clone.s b/src/thread/x32/clone.s
index ee59903a..eed46151 100644
--- a/src/thread/x32/clone.s
+++ b/src/thread/x32/clone.s
@@ -2,8 +2,7 @@
.global __clone
.type __clone,@function
__clone:
- xor %eax,%eax
- mov $56,%al
+ movl $0x40000038,%eax /* SYS_clone */
mov %rdi,%r11
mov %rdx,%rdi
mov %r8,%rdx
@@ -20,8 +19,7 @@ __clone:
pop %rdi
call *%r9
mov %eax,%edi
- xor %eax,%eax
- mov $60,%al
+ movl $0x4000003c,%eax /* SYS_exit */
syscall
hlt
1: ret
diff --git a/src/thread/x32/syscall_cp.s b/src/thread/x32/syscall_cp.s
index 788c53cc..70605c19 100644
--- a/src/thread/x32/syscall_cp.s
+++ b/src/thread/x32/syscall_cp.s
@@ -1,7 +1,7 @@
.text
-.global __syscall_cp_asm
-.type __syscall_cp_asm,@function
-__syscall_cp_asm:
+.global __syscall_cp_internal
+.type __syscall_cp_internal,@function
+__syscall_cp_internal:
.global __cp_begin
__cp_begin:
generated by cgit v1.2.1 (git 2.18.0) at 2025-10-31 21:57:36 +0000