diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/internal/or1k/syscall.s | 13 | ||||
| -rw-r--r-- | src/ldso/or1k/dlsym.s | 5 | ||||
| -rw-r--r-- | src/ldso/or1k/start.s | 34 | ||||
| -rw-r--r-- | src/setjmp/or1k/longjmp.s | 25 | ||||
| -rw-r--r-- | src/setjmp/or1k/setjmp.s | 24 | ||||
| -rw-r--r-- | src/signal/or1k/sigsetjmp.s | 22 | ||||
| -rw-r--r-- | src/thread/or1k/__set_thread_area.s | 6 | ||||
| -rw-r--r-- | src/thread/or1k/__unmapself.s | 8 | ||||
| -rw-r--r-- | src/thread/or1k/clone.s | 30 | ||||
| -rw-r--r-- | src/thread/or1k/syscall_cp.s | 20 |
10 files changed, 187 insertions, 0 deletions
diff --git a/src/internal/or1k/syscall.s b/src/internal/or1k/syscall.s new file mode 100644 index 00000000..2ea0eb13 --- /dev/null +++ b/src/internal/or1k/syscall.s @@ -0,0 +1,13 @@ +.global __syscall +.type __syscall,@function +__syscall: + l.ori r11, r3, 0 + l.lwz r3, 0(r1) + l.lwz r4, 4(r1) + l.lwz r5, 8(r1) + l.lwz r6, 12(r1) + l.lwz r7, 16(r1) + l.lwz r8, 20(r1) + l.sys 1 + l.jr r9 + l.nop diff --git a/src/ldso/or1k/dlsym.s b/src/ldso/or1k/dlsym.s new file mode 100644 index 00000000..b2f4dfe3 --- /dev/null +++ b/src/ldso/or1k/dlsym.s @@ -0,0 +1,5 @@ +.global dlsym +.type dlsym,@function +dlsym: + l.j plt(__dlsym) + l.ori r5, r9, 0 diff --git a/src/ldso/or1k/start.s b/src/ldso/or1k/start.s new file mode 100644 index 00000000..83b7c2c6 --- /dev/null +++ b/src/ldso/or1k/start.s @@ -0,0 +1,34 @@ +.global _dlstart +_dlstart: + l.jal 1f + l.nop +1: l.movhi r5, gotpchi(_GLOBAL_OFFSET_TABLE_+0) + l.ori r5, r5, gotpclo(_GLOBAL_OFFSET_TABLE_+4) + l.add r5, r5, r9 + l.movhi r3, gotoffhi(_DYNAMIC) + l.ori r3, r3, gotofflo(_DYNAMIC) + l.add r5, r5, r3 + + l.lwz r3, 0(r1) + l.addi r4, r1, 4 + l.jal plt(__reloc_self) + l.addi r1, r1, -16 + + l.lwz r3, 16(r1) + l.jal plt(__dynlink) + l.addi r4, r1, 20 + l.addi r1, r1, 16 + + l.lwz r4, 0(r1) +1: l.addi r4, r4, -1 + l.lwz r5, 4(r1) + l.sfeqi r5, -1 + l.bf 1b + l.addi r1, r1, 4 + + l.addi r4, r4, 1 + l.addi r1, r1, -4 + l.sw 0(r1), r4 + + l.jr r11 + l.ori r3, r0, 0 diff --git a/src/setjmp/or1k/longjmp.s b/src/setjmp/or1k/longjmp.s new file mode 100644 index 00000000..1db9fd93 --- /dev/null +++ b/src/setjmp/or1k/longjmp.s @@ -0,0 +1,25 @@ +.global _longjmp +.global longjmp +.type _longjmp,@function +.type longjmp,@function +_longjmp: +longjmp: + l.sfeqi r4, 0 + l.bnf 1f + l.addi r11, r4,0 + l.ori r11, r0, 1 +1: l.lwz r1, 0(r3) + l.lwz r2, 4(r3) + l.lwz r9, 8(r3) + l.lwz r10, 12(r3) + l.lwz r14, 16(r3) + l.lwz r16, 20(r3) + l.lwz r18, 24(r3) + l.lwz r20, 28(r3) + l.lwz r22, 32(r3) + l.lwz r24, 36(r3) + l.lwz r26, 40(r3) + l.lwz r28, 44(r3) + l.lwz r30, 48(r3) + l.jr r9 + l.nop diff --git a/src/setjmp/or1k/setjmp.s b/src/setjmp/or1k/setjmp.s new file mode 100644 index 00000000..8de4d3c2 --- /dev/null +++ b/src/setjmp/or1k/setjmp.s @@ -0,0 +1,24 @@ +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +__setjmp: +_setjmp: +setjmp: + l.sw 0(r3), r1 + l.sw 4(r3), r2 + l.sw 8(r3), r9 + l.sw 12(r3), r10 + l.sw 16(r3), r14 + l.sw 20(r3), r16 + l.sw 24(r3), r18 + l.sw 28(r3), r20 + l.sw 32(r3), r22 + l.sw 36(r3), r24 + l.sw 40(r3), r26 + l.sw 44(r3), r28 + l.sw 48(r3), r30 + l.jr r9 + l.ori r11,r0,0 diff --git a/src/signal/or1k/sigsetjmp.s b/src/signal/or1k/sigsetjmp.s new file mode 100644 index 00000000..70a29223 --- /dev/null +++ b/src/signal/or1k/sigsetjmp.s @@ -0,0 +1,22 @@ +.global sigsetjmp +.global __sigsetjmp +.type sigsetjmp,@function +.type __sigsetjmp,@function +sigsetjmp: +__sigsetjmp: + l.sfeq r4, r0 + l.bf plt(setjmp) + l.sw 52(r3), r4 /* buf->__fl = save */ + + l.addi r1, r1, -8 + l.sw 0(r1), r9 + l.sw 4(r1), r3 + l.addi r5, r3, 56 /* buf->__ss */ + l.add r4, r0, r0 + l.jal plt(sigprocmask) + l.ori r3, r0, 2 /* SIG_SETMASK */ + + l.lwz r9, 0(r1) + l.lwz r3, 4(r1) + l.j plt(setjmp) + l.addi r1, r1, 8 diff --git a/src/thread/or1k/__set_thread_area.s b/src/thread/or1k/__set_thread_area.s new file mode 100644 index 00000000..44c5d459 --- /dev/null +++ b/src/thread/or1k/__set_thread_area.s @@ -0,0 +1,6 @@ +.global __set_thread_area +.type __set_thread_area,@function +__set_thread_area: + l.ori r10, r3, 0 + l.jr r9 + l.ori r11, r0, 0 diff --git a/src/thread/or1k/__unmapself.s b/src/thread/or1k/__unmapself.s new file mode 100644 index 00000000..6c0fa2ac --- /dev/null +++ b/src/thread/or1k/__unmapself.s @@ -0,0 +1,8 @@ +.global __unmapself +.type __unmapself,@function +__unmapself: + l.ori r11, r0, 215 /* __NR_munmap */ + l.sys 1 + l.ori r3, r0, 0 + l.ori r11, r0, 93 /* __NR_exit */ + l.sys 1 diff --git a/src/thread/or1k/clone.s b/src/thread/or1k/clone.s new file mode 100644 index 00000000..02f380bd --- /dev/null +++ b/src/thread/or1k/clone.s @@ -0,0 +1,30 @@ +/* int clone(fn, stack, flags, arg, ptid, tls, ctid) + * r3 r4 r5 r6 sp+0 sp+4 sp+8 + * sys_clone(flags, stack, ptid, ctid, tls) + */ +.global __clone +.type __clone,@function +__clone: + l.addi r4, r4, -8 + l.sw 0(r4), r3 + l.sw 4(r4), r6 + /* (fn, st, fl, ar, pt, tl, ct) => (fl, st, pt, ct, tl) */ + l.ori r3, r5, 0 + l.lwz r5, 0(r1) + l.lwz r6, 8(r1) + l.lwz r7, 4(r1) + l.ori r11, r0, 220 /* __NR_clone */ + l.sys 1 + + l.sfeqi r11, 0 + l.bf 1f + l.nop + l.jr r9 + l.nop + +1: l.lwz r11, 0(r1) + l.jalr r11 + l.lwz r3, 4(r1) + + l.ori r11, r0, 93 /* __NR_exit */ + l.sys 1 diff --git a/src/thread/or1k/syscall_cp.s b/src/thread/or1k/syscall_cp.s new file mode 100644 index 00000000..02d4cd79 --- /dev/null +++ b/src/thread/or1k/syscall_cp.s @@ -0,0 +1,20 @@ +.global __syscall_cp_asm +.type __syscall_cp_asm,@function +__syscall_cp_asm: +.global __cp_begin +__cp_begin: + l.lwz r3, 0(r3) + l.sfeqi r3, 0 + l.bnf plt(__cancel) + l.ori r11, r4, 0 + l.ori r3, r5, 0 + l.ori r4, r6, 0 + l.ori r5, r7, 0 + l.ori r6, r8, 0 + l.lwz r7, 0(r1) + l.lwz r8, 4(r1) + l.sys 1 +.global __cp_end +__cp_end: + l.jr r9 + l.nop |