-/* src/vm/jit/x86_64/asmpart.S - Java-C interface functions for x86_64
+/* src/vm/jit/s390/asmpart.S - Java-C interface functions for s390
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ Copyright (C) 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
J. Wenninger, Institut f. Computersprachen - TU Wien
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Andreas Krall
- Reinhard Grafl
- Christian Thalinger
-
- Changes: Edwin Steiner
-
- $Id: asmpart.S 7219 2007-01-16 22:18:57Z pm $
-
*/
#include "vm/jit/s390/arch.h"
#include "vm/jit/s390/md-abi.h"
#include "vm/jit/s390/md-asm.h"
-#include "vm/jit/s390/offsets.h"
#include "vm/jit/abi-asm.h"
#include "vm/jit/methodheader.h"
-/* Copy a call to a PIC function from gcc -S
- * We setup a temporary literal pool pointer.
- */
-
-#define PIC_CALL(fun, magic) \
- bras itmp3, L_##magic##_lp_end ; \
-L_##magic##_lp: ; \
-L_##magic##_lp_5: ; \
- .long fun@PLTOFF ; \
-L_##magic##_lp_4: ; \
- .long _GLOBAL_OFFSET_TABLE_-L_##magic##_lp ; \
-L_##magic##_lp_end: ; \
- l itmp2,L_##magic##_lp_4-L_##magic##_lp(itmp3) ; \
- la itmp2,0(itmp2,itmp3) ; \
- l itmp1,L_##magic##_lp_5-L_##magic##_lp(itmp3) ; \
- bas %r14,0(itmp1,itmp2)
-
.text
.globl asm_vm_call_method_float
.globl asm_vm_call_method_double
.globl asm_vm_call_method_exception_handler
+ .globl asm_vm_call_method_end
.globl asm_call_jit_compiler
.globl asm_abstractmethoderror
- .globl asm_patcher_wrapper
-
- .globl asm_replacement_out
- .globl asm_replacement_in
-
.globl asm_builtin_f2i
.globl asm_builtin_f2l
.globl asm_builtin_d2i
.globl asm_builtin_d2l
- .globl asm_criticalsections
- .globl asm_getclassvalues_atomic
-
-#if 0
-asm_vm_call_method:
-asm_vm_call_method_int:
-asm_vm_call_method_long:
-asm_vm_call_method_float:
-asm_vm_call_method_double:
-#endif
-asm_vm_call_method_exception_handler:
-#if 0
-asm_call_jit_compiler:
-#endif
-asm_handle_exception:
-asm_handle_nat_exception:
asm_abstractmethoderror:
-asm_patcher_wrapper:
-asm_replacement_out:
-asm_replacement_in:
+ .long 0
asm_builtin_f2i:
+ .long 0
asm_builtin_f2l:
+ .long 0
asm_builtin_d2i:
+ .long 0
asm_builtin_d2l:
-asm_criticalsections:
-asm_getclassvalues_atomic:
.long 0
+/* Generates a PIC call.
+ *
+ * func: function to call
+ * tag: tag unique for this call to generate a label
+ * tmp: one temporary register needed for calculation
+ *
+ * The offset table used is located at the bottom of this file.
+ *
+ * Note: destroys r12. r12 MUST contain GOT for PIC calls!
+ */
+#define CALL_PIC(func, tag) \
+ bras %r14, L_bras_##tag; /* get PC */ \
+L_bras_##tag: \
+ l %r12, L_offsets - L_bras_##tag (%r14); /* load offset to PLT */ \
+ la %r12, L_offsets - L_bras_##tag (%r12, %r14); /* load PLT address */ \
+ l %r14, L_offset_##func - L_bras_##tag (%r14); /* load offset to func */ \
+ bas %r14, 0(%r14, %r12);
+
/********************* function asm_calljavafunction ***************************
* *
* This function calls a Java-method (which possibly needs compilation) *
* void *arg1, void *arg2, void *arg3, void *arg4); *
* *
*******************************************************************************/
- .align 8
-
- .quad 0 /* catch type all */
- .quad 0 /* handler pc */
- .quad 0 /* end pc */
- .quad 0 /* start pc */
- .long 1 /* extable size */
- .long 0 /* ALIGNMENT PADDING */
- .quad 0 /* line number table start */
- .quad 0 /* line number table size */
- .long 0 /* ALIGNMENT PADDING */
- .long 0 /* fltsave */
- .long 0 /* intsave */
- .long 0 /* isleaf */
- .long 0 /* IsSync */
- .long 0 /* frame size */
- .quad 0 /* codeinfo pointer */
+ .long 0 /* line number table start */
+ .long 0 /* line number table size */
+ .long 0 /* fltsave */
+ .long 0 /* intsave */
+ .long 0 /* IsLeaf */
+ .long 0 /* frame size */
+ .long 0 /* codeinfo pointer */
asm_vm_call_method:
asm_vm_call_method_int:
asm_vm_call_method_float:
asm_vm_call_method_double:
-/*
-
-a0: methodinfo *m
-a1: s4 vmargscount ---> v0: java_objectheader *
-a2: vm_arg *vmargs
-r14: return address
-
-96 ... on stack parameters (none)
-0 - 96 register save area
--------------------------------------------------- <- SP on asm_vm_... entry
- arguments on stack
----------------------------------------------------- <- SP on JIT code entry
- saved return address (callee saved)
-
-*/
-
-
-/*
- Regiser usage:
- itmp1: argument block pointer
- itmp2: argument counter
- s0: integer argument counter
- s1: float argument counter
- s2: integer register counter
- s3: backup argument block pointer
- s4: backup argument count
-*/
-
- stm %r6, %r15, 24(sp) /* save callers regiters */
- ahi sp, -16 /* allocate stack space for local variables */
- stm a0, a2, 0(sp) /* save arguments */
-
- ltr a1, a1 /* maybe we have no args... */
- je L_no_args
-
- lr itmp2, a1 /* load arg count */
- lr itmp1, a2 /* load arg pointer */
-
- ahi itmp1, -sizevmarg /* initialize arg pointer */
- ahi itmp2, 1 /* initialize arg count */
- lhi s0, 0 /* initialize integer arg counter */
- lhi s2, 0 /* initialize integer register counter */
- lhi s1, 0 /* initialize float arg counter */
-
- lr s4, a1 /* backup arg count */
- lr s3, a2 /* backup arg pointer */
-
-L_register_copy:
-
- ahi itmp1, sizevmarg /* forward arg pointer */
- ahi itmp2, -1 /* decrement arg count */
- je L_register_copy_done /* no arguments left */
-
- tm offvmargtype(itmp1), 0x02 /* is this a float/double type? */
- jne L_register_handle_float
-
-L_register_handle_int:
-
- chi s2, INT_ARG_CNT /* are we out of integer arg registers ? */
- je L_register_copy /* yes, next loop */
-
- tm offvmargtype(itmp1), 0x01 /* is this a 2 word type ? */
- jne L_register_handle_long
-
- ahi s0, 1 /* increment integer arg counter */
- ahi s2, 1 /* increment integer register counter */
-
- /* handle argument */
-
- chi s2, 1
- je L_handle_i0
- chi s2, 2
- je L_handle_i1
- chi s2, 3
- je L_handle_i2
- chi s2, 4
- je L_handle_i3
- chi s2, 5
- je L_handle_i4
-
-L_register_handle_long:
-
- chi s2, (INT_ARG_CNT - 1) /* are there 2 integer arg registers left ? */
- jl L_register_handle_long_continue /* yes */
- lhi s2, INT_ARG_CNT /* no, drop last register */
- j L_register_copy
-
-L_register_handle_long_continue:
-
- ahi s0, 1 /* increment integer arg counter */
- ahi s2, 2 /* consume 2 integer arg registers */
-
- /* handle argument */
-
- chi s2, 1
- je L_handle_l0
- chi s2, 2
- je L_handle_l1
- chi s2, 3
- je L_handle_l2
- chi s2, 4
- je L_handle_l3
-
-L_register_handle_float:
+ ahi sp, -8*4 /* allocate stack frame */
- chi s1, FLT_ARG_CNT /* are we out of float arg registers */
- je L_register_copy /* no arg regisers left */
+ /* a0: PV */
+ /* a1: data structure */
+ /* a2: number of stack arguments */
- ahi s1, 1 /* increment float argument counter */
+ st s0, 0*4(sp) /* store used calle saved registers */
+ st s1, 1*4(sp)
+ st a0, 2*4(sp)
+ st %r12, 3*4(sp) /* %r12 is callee saved, we'll need it as GOT */
+ st pv, 4*4(sp)
+ st a4, 5*4(sp) /* a4 is callee saved in terms of C abi */
+ std ftmp1, 6*4(sp) /* ftmp1 and ftmp2 are callees saved in terms of C abi */
+ std ftmp2, 8*4(sp)
+ st ra, 10*4(sp)
- tm offvmargtype(itmp1), 0x01 /* is this a 2 word type ? */
- jne L_register_handle_double
+ lr s0, a1 /* data structure */
+ lr %r0, a2 /* number of stack arguments */
- /* handle argument */
+ l a0, 0*8+4(s0) /* big endian */
+ l a1, 1*8+4(s0)
+ l a2, 2*8+4(s0)
+ l a3, 3*8+4(s0)
+ l a4, 4*8+4(s0)
- chi s1, 1
- je L_handle_f0
- chi s1, 2
- je L_handle_f1
+ ld fa0, 5*8(s0)
+ ld fa1, 6*8(s0)
-L_register_handle_double:
+ lr s1, sp /* backup stack pointer */
- /* handle argument */
+ ltr %r0, %r0 /* are there any stack arguments ? */
+ je L_asm_vm_call_method_stack_copy_done
+ lr %r1, %r0 /* copy number of stack arguments */
+ sll %r1, 3 /* calculate stackframe size */
+ sr sp, %r1 /* allocate stack frame */
+ lr %r1, sp /* temporary stack pointer */
- chi s1, 1
- je L_handle_d0
- chi s1, 2
- je L_handle_d1
+L_asm_vm_call_method_stack_copy_loop:
-L_register_copy_done:
+ mvc 0(8, %r1), 7*8(s0) /* copy argument */
+ ahi %r1, 8 /* increase sp */
+ ahi s0, 8 /* set address of next argument */
+ ahi %r0, -1 /* substract 1 argument */
+ jh L_asm_vm_call_method_stack_copy_loop
-/*
- Regiser usage:
- itmp1: argument block pointer
- itmp2: argument counter
- s0: integer argument counter (initialized by previous code)
- s1: float argument counter (initialized by previous code)
- s2: pointer to current argument on stack
- s3: backup argument block pointer (used to initialize itmp1)
- after used as backup of original stack pointer
- s4: backup argument count (used to initialize itmp2)
- after used as size of parameters on stack
-*/
-
- lr itmp2, s4 /* restore argument counter */
- lr itmp1, s3 /* restore argument block pointer */
-
- /* calculate remaining arguments */
- sr s4, s0 /* - integer arguments in registers */
- sr s4, s1 /* - float arguments in registers */
-
- je L_copy_done /* no arguments left for stack */
-
- sll s4, 3 /* allocate 8 bytes per parameter on stack */
- lr s3, sp /* backup stack pointer */
- sr sp, s4 /* allocate stack space for arguments */
-
- lr s2, sp /* points now to current argument on stack */
-
- ahi itmp1, -sizevmarg /* initialize argument block pointer */
- ahi itmp2, 1 /* initialize argument counter */
-
-L_stack_copy_loop:
-
- ahi itmp1, sizevmarg /* forward argument block pointer */
- ahi itmp2, -1 /* decrement argument counter */
- je L_copy_done /* all arguments done */
-
- tm offvmargtype(itmp1), 0x0 /* is this a float/double type? */
- jne L_stack_handle_float
-
-L_stack_handle_int:
-
- ahi s0, -1 /* decrement number of integer arguments in regs */
- jhe L_stack_copy_loop /* argument is in register */
-
- tm offvmargtype(itmp1), 0x01 /* is this a 2 word type ? */
- jne L_stack_handle_long
-
- mvc 0(4, s2), offvmargdata(itmp1) /* copy integer value */
- ahi s2, 4
- j L_stack_copy_loop
-
-L_stack_handle_long:
-
- mvc 0(8, s2), offvmargdata(itmp1) /* copy long value */
- ahi s2, 8
- j L_stack_copy_loop
-
-L_stack_handle_float:
-
- ahi s1, -1 /* decrement number of float arguments in regs */
- jhe L_stack_copy_loop /* argument is in register */
-
- tm offvmargtype(itmp1), 0x01 /* is this a 2 word type ? */
- jne L_stack_handle_double
-
- mvc 0(4, s2), offvmargdata(itmp1) /* copy float value */
- ahi s2, 4
- j L_stack_copy_loop
-
-L_stack_handle_double:
-
- mvc 0(8, s2), offvmargdata(itmp1) /* copy double value */
- ahi s2, 8
- j L_stack_copy_loop
-
-L_copy_done:
-
- /* Now we call the compiler in a rather questionable way i needed
- * some days to understand:
- *
- * We can't simply call asm_call_jit_compiler, but we have to call an
- * address loaded from memory like it is done in JIT code.
- *
- * This is because the compiler will intercept the instruction before
- * the call instruction, extract the address where the function pointer
- * has been loaded from and overwrite it with the code entry.
- *
- * Arguments are passed in temporary registers.
- */
-
- /* load address of L_asm_call_jit_compiler into memory */
-
- basr mptr, 0 /* store PC */
-L_basr:
- la mptr, L_asm_call_jit_compiler-L_basr(mptr) /* add offset to PC */
- st mptr, 12(s3) /* store on stack */
-
- l itmp1, 0(s3) /* load methodinfo for compiler */
- la mptr, 12(s3) /* store **function in mptr for compiler */
-
- /* call L_asm_call_jit_compiler like JIT code would do */
+L_asm_vm_call_method_stack_copy_done:
- l itmp3, 12(s3) /* load address of target from memory */
- basr %r14, itmp3 /* jump to target */
-
- /* todo will s4 survive the call? */
- ar sp, s4 /* remove stack space for arguments */
+ la mptr, 2*4(s1) /* load method pointer */
+ l pv, 0(mptr) /* load procedure vector from method pointer */
+ basr ra, pv /* call method */
+ lr sp, s1 /* restore stack pointer */
L_asm_vm_call_method_return:
- ahi sp, 16 /* remove stack space for local variables */
- lm %r6, %r15, 24(sp) /* restore callers registers */
- br %r14 /* return */
-
-/* .... */
-
-L_no_args:
- lr s3, sp
- j L_copy_done
-
-L_handle_i0:
- l a0, offvmargdata(itmp1)
- j L_register_copy
-L_handle_i1:
- l a1, offvmargdata(itmp1)
- j L_register_copy
-L_handle_i2:
- l a2, offvmargdata(itmp1)
- j L_register_copy
-L_handle_i3:
- l a3, offvmargdata(itmp1)
- j L_register_copy
-L_handle_i4:
- l a4, offvmargdata(itmp1)
- j L_register_copy
-
-L_handle_l0:
- lm a0, a1, offvmargdata(itmp1)
- j L_register_copy
-L_handle_l1:
- lm a1, a2, offvmargdata(itmp1)
- j L_register_copy
-L_handle_l2:
- lm a2, a3, offvmargdata(itmp1)
- j L_register_copy
-L_handle_l3:
- lm a3, a4, offvmargdata(itmp1)
- j L_register_copy
-
-L_handle_f0:
- le fa0, offvmargdata(itmp1)
- j L_register_copy
-L_handle_f1:
- le fa1, offvmargdata(itmp1)
- j L_register_copy
-
-L_handle_d0:
- ld fa0, offvmargdata(itmp1)
- j L_register_copy
-L_handle_d1:
- ld fa1, offvmargdata(itmp1)
- j L_register_copy
-
-
-/* .... */
-
-#if 0
-
- .align 8
-
- .quad 0 /* catch type all */
- .quad 0 /* handler pc */
- .quad 0 /* end pc */
- .quad 0 /* start pc */
- .long 1 /* extable size */
- .long 0 /* ALIGNMENT PADDING */
- .quad 0 /* line number table start */
- .quad 0 /* line number table size */
- .long 0 /* ALIGNMENT PADDING */
- .long 0 /* fltsave */
- .long 0 /* intsave */
- .long 0 /* isleaf */
- .long 0 /* IsSync */
- .long 0 /* frame size */
- .quad 0 /* codeinfo pointer */
-
-asm_vm_call_method:
-asm_vm_call_method_int:
-asm_vm_call_method_long:
-asm_vm_call_method_float:
-asm_vm_call_method_double:
-
- stm %r6,%r15,24(sp) /* save callers regiters */
-
- ahi sp, -12 /* allocate space on stack for local variables */
-
- st a0, 0(sp) /* store method info */
- st a1, 4(sp) /* store arg count */
- st a2, 8(sp) /* store args */
-
-
-# define r_methodinfo itmp1
-# define r_vmargscount itmp2
-# define r_vmargs s0
-
-# define r_arg_ctr s1
-# define r_arg_ptr s2
-
-# define r_int_ctr s3
-# define r_float_ctr s4
-# define r_int_extra_ctr itmp3
-
- /* save arguments */
-
- lr r_methodinfo,a0 /* move method pointer for compiler */
- lr r_vmargscount,a1
- lr r_vmargs,a2
-
- ltr a1,a1 /* maybe we have no args... */
- je L_copy_done
-
- lr r_arg_ctr,r_vmargscount /* arg count */
- lr r_arg_ptr,r_vmargs /* pointer to arg block */
-
- ahi r_arg_ptr,-sizevmarg /* initialize pointer (smaller code) */
- ahi r_arg_ctr,1 /* initialize argument count */
-
- lhi r_int_ctr,0 /* initialize integer argument counter*/
- lhi r_float_ctr,0 /* initialize float argument counter */
- lhi r_int_extra_ctr,0
-
-L_register_copy:
- ahi r_arg_ptr,sizevmarg /* goto next argument block */
- ahi r_arg_ctr,-1 /* argument count - 1 */
- je L_register_copy_done
-
- tm offvmargtype(r_arg_ptr),0x02 /* is this a float/double type? */
- jne L_register_handle_float /* yes, handle it */
-
- cli offvmargtype(r_arg_ptr),0x01
- je L_register_handle_long
-
-L_register_handle_int:
-
- chi r_int_ctr,INT_ARG_CNT /* are we out of integer argument */
- je L_register_copy /* register? yes, next loop */
-
- ahi r_int_ctr,1
+ l s0, 0*4(sp) /* restore used callee saved registers */
+ l s1, 1*4(sp)
+ l %r12, 3*4(sp)
+ l pv, 4*4(sp)
+ l a4, 5*4(sp)
+ ld ftmp1, 6*4(sp)
+ ld ftmp2, 8*4(sp)
+ l ra, 10*4(sp)
- chi r_int_ctr,1
- je L_handle_a0
- chi r_int_ctr,2
- je L_handle_a1
- chi r_int_ctr,3
- je L_handle_a2
- chi r_int_ctr,4
- je L_handle_a3
- chi r_int_ctr,5
- je L_handle_a4
+ ahi sp, 8*4 /* remove stackframe */
+ br ra /* return */
-L_register_handle_long:
- chi r_int_ctr,INT_ARG_CNT-1 /* only one integer register left ? */
- je L_register_handle_long_last_reg
-
- chi r_int_ctr,INT_ARG_CNT /* no registers left */
- je L_register_copy
-
- ahi r_int_ctr,2
- ahi r_int_extra_ctr,1
-
- chi r_int_ctr,2
- je L_handle_al0
- chi r_int_ctr,3
- je L_handle_al1
- chi r_int_ctr,4
- je L_handle_al2
- chi r_int_ctr,5
- je L_handle_al3
-
-L_register_handle_long_last_reg:
- ahi r_int_ctr,1 /* skip the integer register */
- ahi r_int_extra_ctr,1
- j L_register_copy
-
-L_register_handle_float:
- chi r_float_ctr,FLT_ARG_CNT /* are we out of float argument */
- je L_register_copy /* register? yes, next loop */
-
- ahi r_float_ctr,1
-
- chi r_int_ctr,1
- je L_handle_af0
- chi r_int_ctr,2
- je L_handle_af1
-
-L_register_copy_done:
-
- lr r_arg_ctr, r_vmargscount
- sr r_arg_ctr, r_int_ctr
- ar r_arg_ctr, r_int_extra_ctr
- sr r_arg_ctr, r_float_ctr
- jle L_copy_done
-
- /* now allocate the parameter area on the stack
- * the register save area will be allocated later
- */
-
-# define r_arg_stack_ptr r_arg_ptr
-
- sll r_arg_ctr, 3 /* 8 bytes per parameter on stack */
- sr sp,r_arg_ctr /* allocate stack space for parameters */
- lr r_arg_stack_ptr,sp /* points now to arguments on stack */
-
- ahi r_vmargs,-sizevmarg /* initialize pointer (smaller code) */
- ahi r_vmargscount,1 /* initialize argument count */
-
-L_stack_copy_loop:
- ahi r_vmargs,sizevmarg /* goto next argument block */
- ahi r_vmargscount,-1 /* argument count - 1 */
- jz L_copy_done /* no test needed after dec */
-
- tm offvmargtype(r_vmargs),0x02 /* is this a float/double type? */
- jne L_stack_handle_float /* yes, handle it */
-
- cli offvmargtype(r_vmargs),0x01
- je L_stack_handle_long
-
-L_stack_handle_int:
-
- ahi r_int_ctr,-1 /* arguments assigned to registers */
- jhe L_stack_copy_loop
- j L_stack_copy
-
-L_stack_handle_long:
-
- ahi r_int_ctr,-2
- jhe L_stack_copy_loop
- j L_stack_copy
-
-L_stack_handle_float:
- ahi r_float_ctr,-1 /* arguments assigned to registers */
- jhe L_stack_copy_loop
-
-L_stack_copy:
- mvc 0(8,r_arg_stack_ptr),offvmargdata(r_vmargs) /* copy s8 argument onto stack */
-
- ahi r_arg_stack_ptr,8 /* increase sp to next argument */
- j L_stack_copy_loop
-
-L_copy_done:
-#if 0
- /* itmp1 still contains method pointer*/
- lea L_asm_call_jit_compiler(%rip),mptr
- mov sp,itmp3 /* calculate the old stack pointer */
- add bp,itmp3
- mov mptr,6*8(itmp3) /* store mptr on stack */
- lea (6*8-256)(itmp3),mptr /* We subtract 256 to force the next */
- /* move instruction to have a 32-bit */
- /* offset. */
-
- mov (0*8+256)(mptr),itmp3 /* method call as in Java */
- call *itmp3 /* call JIT compiler */
-
- add bp,sp /* remove argument stack frame if any */
-#endif
-
- /* itmp1 still contains method pointer*/
-
- bras %r14, L_asm_call_jit_compiler
- ar sp,r_arg_ctr /* r_arg_ctr in callee saved regiter */
-
-L_asm_vm_call_method_return:
-
- ahi sp, 12 /* free stack space */
- lm %r6,%r15,24(sp) /* restore registers */
- br %r14 /* branch to return address */
-
-#if 0
asm_vm_call_method_exception_handler:
- mov xptr,a0 /* pass exception pointer */
- call builtin_throw_exception@PLT
- jmp L_asm_vm_call_method_return
-#endif
+ lr a0, xptr
-L_handle_a0:
- l a0,offvmargdata(r_arg_ptr)
- j L_register_copy
-L_handle_a1:
- l a1,offvmargdata(r_arg_ptr)
- j L_register_copy
-L_handle_a2:
- l a2,offvmargdata(r_arg_ptr)
- j L_register_copy
-L_handle_a3:
- l a3,offvmargdata(r_arg_ptr)
- j L_register_copy
-L_handle_a4:
- l a4,offvmargdata(r_arg_ptr)
- j L_register_copy
-
-L_handle_al0:
- l a0,offvmargdata(r_arg_ptr)
- l a1,offvmargdata+4(r_arg_ptr)
- j L_register_copy
-L_handle_al1:
- l a1,offvmargdata(r_arg_ptr)
- l a2,offvmargdata+4(r_arg_ptr)
- j L_register_copy
-L_handle_al2:
- l a2,offvmargdata(r_arg_ptr)
- l a3,offvmargdata+4(r_arg_ptr)
- j L_register_copy
-L_handle_al3:
- l a3,offvmargdata(r_arg_ptr)
- l a4,offvmargdata+4(r_arg_ptr)
- j L_register_copy
-
-L_handle_af0:
- ld fa0,offvmargdata(r_arg_ptr)
- j L_register_copy
-L_handle_af1:
- ld fa1,offvmargdata(r_arg_ptr)
- j L_register_copy
+ ahi sp, -96
+ CALL_PIC(builtin_throw_exception, avcmeh)
+ ahi sp, 96
-#endif
+ j L_asm_vm_call_method_return
+
+asm_vm_call_method_end:
+ brc 0,0
/****************** function asm_call_jit_compiler *****************************
* *
* invokes the compiler for untranslated JavaVM methods. *
* *
-* itmp1: methodinfo pointer *
-* itmp2: method pointer *
+* itmp3: methodinfo pointer *
+* itmp1: method pointer *
* *
*******************************************************************************/
asm_call_jit_compiler:
L_asm_call_jit_compiler:
-# define ACJC_STACKFRAME (4 + (4 * 4) + (2 * 8) + 96)
+# define ACJC_STACKFRAME ((2 * 4) + (4 * 4) + (2 * 8) + 96)
ahi sp,-ACJC_STACKFRAME /* allocate stack space */
stm %r2,%r5,96(sp) /* store volatile int arg regs */
std %f0,96+16(sp) /* store volatile float arg regs */
std %f2,96+24(sp)
- st %r14,96+32(sp) /* store return address */
+ st %r12,96+32(sp) /* store %r12, used as GOT pointer */
+ st %r14,96+36(sp) /* store return address */
/* load arguments */
- lr a0,itmp1 /* pass methodinfo pointer */
- lr a1,itmp2 /* pass method pointer */
+ lr a0,itmp3 /* pass methodinfo pointer */
+ lr a1,mptr /* pass method pointer */
la a2,ACJC_STACKFRAME(sp) /* pass java sp */
la a3,0(%r14) /* pass return address, make sure bit 32 is 0 */
- /* call jit_asm_compile in a PIC way */
+ CALL_PIC(jit_asm_compile, acjc)
- bras itmp3, L_bras_jac
- .long jit_asm_compile
-L_bras_jac:
- l itmp3, 0(itmp3)
- basr %r14, itmp3
+ lr pv, v0 /* save return value */
- lm %r2,%r5,96(sp) /* restore volatile int arg regs */
- ld %f0,96+16(sp) /* store volatile float arg regs */
- ld %f2,96+24(sp) /* store volatile float arg regs */
- ld %r14,96+32(sp) /* restore return address */
+ lm %r2,%r5,96(sp) /* restore volatile int arg regs */
+ ld %f0,96+16(sp) /* restore volatile float arg regs */
+ ld %f2,96+24(sp) /* restore volatile float arg regs */
-#if 0
- ltr v0,v0
+ ltr pv,pv
je L_asm_call_jit_compiler_exception
-#endif
- b 0(v0) /* call the method, it will return to the caller */
+ l %r12,96+32(sp) /* restore %r12 */
+ l %r14,96+36(sp) /* restore return address */
+ ahi sp, ACJC_STACKFRAME /* remove stack frame */
+
+jit_code_entry: /* label to set breakpoint on */
+ br pv /* call the method, it will return to the caller */
L_asm_call_jit_compiler_exception:
-#if 0
- call exceptions_get_and_clear_exception@PLT
- pop xpc /* delete return address */
- sub $3,xpc /* faulting address is ra - 3 */
- jmp L_asm_handle_exception
-#endif
- .long 0
+
+ CALL_PIC(exceptions_get_and_clear_exception, acjce)
+
+ lr xptr, %r2
+ l xpc,96+36(sp) /* restore return address */
+ l %r12,96+32(sp) /* restore %r12 */
+ ahi sp, ACJC_STACKFRAME /* remove stack frame */
+ j L_asm_handle_nat_exception
-#if 0
/* asm_handle_exception ********************************************************
* *
* This function handles an exception. It does not use the usual calling *
*******************************************************************************/
asm_handle_nat_exception:
- add $8,sp /* clear return address of native stub*/
-
+L_asm_handle_nat_exception:
+ /* TODO really nothing here ? */
asm_handle_exception:
-L_asm_handle_exception: /* required for PIC code */
- sub $((ARG_CNT+TMP_CNT)*8),sp /* create maybe-leaf stackframe */
-
- SAVE_ARGUMENT_REGISTERS(0) /* we save arg and temp registers in */
- SAVE_TEMPORARY_REGISTERS(ARG_CNT) /* case this is a leaf method */
-
- mov $((ARG_CNT+TMP_CNT)*8),a3 /* prepare a3 for handle_exception */
- mov $1,t0 /* set maybe-leaf flag */
-
-L_asm_handle_exception_stack_loop:
- sub $(6*8),sp
- mov xptr,0*8(sp) /* save exception pointer */
- mov xpc,1*8(sp) /* save exception pc */
- add sp,a3 /* calculate Java sp into a3... */
- add $(6*8),a3
- mov a3,3*8(sp) /* ...and save it */
- mov t0,4*8(sp) /* save maybe-leaf flag */
-
- mov xpc,a0 /* exception pc */
- call codegen_get_pv_from_pc@PLT
- mov v0,2*8(sp) /* save data segment pointer */
-
- mov 0*8(sp),a0 /* pass exception pointer */
- mov 1*8(sp),a1 /* pass exception pc */
- mov v0,a2 /* pass data segment pointer */
- mov 3*8(sp),a3 /* pass Java stack pointer */
- call exceptions_handle_exception@PLT
-
- test v0,v0
- jz L_asm_handle_exception_not_catched
-
- mov v0,xpc /* move handlerpc into xpc */
- mov 0*8(sp),xptr /* restore exception pointer */
- mov 4*8(sp),t0 /* get maybe-leaf flag */
- add $(6*8),sp /* free stack frame */
-
- test t0,t0 /* test for maybe-leaf flag */
- jz L_asm_handle_exception_no_leaf
-
- RESTORE_ARGUMENT_REGISTERS(0) /* if this is a leaf method, we have */
- RESTORE_TEMPORARY_REGISTERS(ARG_CNT)/* to restore arg and temp registers */
-
- add $((ARG_CNT+TMP_CNT)*8),sp /* remove maybe-leaf stackframe */
-
-L_asm_handle_exception_no_leaf:
- jmp *xpc /* jump to the handler */
-
-L_asm_handle_exception_not_catched:
- mov 0*8(sp),xptr /* restore exception pointer */
- mov 2*8(sp),itmp3 /* restore data segment pointer */
- mov 4*8(sp),t0 /* get maybe-leaf flag */
- add $(6*8),sp
-
- test t0,t0
- jz L_asm_handle_exception_no_leaf_stack
-
- add $((ARG_CNT+TMP_CNT)*8),sp /* remove maybe-leaf stackframe */
- xor t0,t0 /* clear the isleaf flags */
-
-L_asm_handle_exception_no_leaf_stack:
- mov FrameSize(itmp3),itmp2l /* get frame size */
- add sp,itmp2 /* pointer to save area */
+L_asm_handle_exception:
+
+ /* a wrapper for md_handle_exception */
+
+# define STACKFRAMESIZE (96 + (16 * 4) + (16 * 8) + (4 * 4))
+# define REGS 96
+# define FREGS (96 + (16 * 4))
+# define OUT (96 + (16 * 4) + (16 * 8))
+
+ ahi sp, -STACKFRAMESIZE /* allocate stack frame containing the arrays */
+
+ /* store special registers to array */
+
+ st xptr, REGS+(0*4)(sp)
+ st xpc, REGS+(1*4)(sp)
+ st pv, REGS+(13*4)(sp)
+ la itmp3, STACKFRAMESIZE(sp)
+ st itmp3, REGS+(15*4)(sp)
+
+ /* store temporary and argument registers */
+
+ stm a0, a4, REGS+(2*4)(sp)
+ std %f0, FREGS+(0*8)(sp)
+ std %f1, FREGS+(1*8)(sp)
+ std %f2, FREGS+(2*8)(sp)
+ std %f3, FREGS+(3*8)(sp)
+ std %f5, FREGS+(5*8)(sp)
+ std %f7, FREGS+(7*8)(sp)
+ std %f8, FREGS+(8*8)(sp)
+ std %f9, FREGS+(9*8)(sp)
+ std %f10, FREGS+(10*8)(sp)
+ std %f11, FREGS+(11*8)(sp)
+ std %f12, FREGS+(12*8)(sp)
+ std %f13, FREGS+(13*8)(sp)
+ std %f14, FREGS+(14*8)(sp)
+ std %f15, FREGS+(15*8)(sp)
+
+ /* store %r12 used as GOT */
- mov IntSave(itmp3),a0l /* a0l = saved int register count */
- test a0l,a0l
- je noint
-
- cmp $1,a0l
- je int1
- cmp $2,a0l
- je int2
- cmp $3,a0l
- je int3
- cmp $4,a0l
- je int4
-
- mov -5*8(itmp2),s0
-int4:
- mov -4*8(itmp2),s1
-int3:
- mov -3*8(itmp2),s2
-int2:
- mov -2*8(itmp2),s3
-int1:
- mov -1*8(itmp2),s4
-
- shl $3,a0l /* multiply by 8 bytes */
- sub a0,itmp2
-
-noint:
-#if 0
- mov FltSave(itmp3),a0l /* a0l = saved flt register count */
- test a0l,a0l
- je noflt
-
- cmpl $1,a0l
- je flt1
- cmpl $2,a0l
- je flt2
- cmpl $3,a0l
- je flt3
- cmpl $4,a0l
- je flt4
-
- movq -5*8(itmp2),%xmm11
-flt4:
- movq -4*8(itmp2),%xmm12
-flt3:
- movq -3*8(itmp2),%xmm13
-flt2:
- movq -2*8(itmp2),%xmm14
-flt1:
- movq -1*8(itmp2),%xmm15
-
-noflt:
-#endif
- mov FrameSize(itmp3),itmp2l /* get frame size */
- add itmp2,sp /* unwind stack */
+ st %r12, REGS+(12*4)(sp)
- /* exception pointer is still set */
- pop xpc /* the new xpc is return address */
- sub $3,xpc /* subtract 3 bytes for call */
+ /* call md_handle_exception */
- xor a3,a3 /* prepare a3 for handle_exception */
-
- jmp L_asm_handle_exception_stack_loop
+ la a0, REGS(sp)
+ la a1, FREGS(sp)
+ la a2, OUT(sp)
+ CALL_PIC(md_handle_exception, ahe)
-/* asm_abstractmethoderror *****************************************************
+ /* restore %r12 */
- Creates and throws an AbstractMethodError.
+ l %r12, REGS+(12*4)(sp)
-*******************************************************************************/
-
-asm_abstractmethoderror:
- mov sp,a0 /* pass java sp */
- add $1*8,a0
- mov 0*8(sp),a1 /* pass exception address */
- sub $3,a1
- call exceptions_asm_new_abstractmethoderror@PLT
- /* exception pointer is return value */
- pop xpc /* get exception address */
- sub $3,xpc /* exception address is ra - 3 */
- jmp L_asm_handle_exception
+ l itmp3, OUT+(2*4)(sp) /* out[2] contains maybe leaf flag */
+ ltr itmp3, itmp3
+ je L_restore_saved
+L_restore_temporary_and_argument:
-/* asm_patcher_wrapper *********************************************************
-
- XXX
+ /* if we are maybe leaf,
+ * we have to restore argument and temporary registers
+ */
- Stack layout:
- 40 return address
- 32 pointer to virtual java_objectheader
- 24 machine code (which is patched back later)
- 16 unresolved class/method/field reference
- 8 data segment displacement from load instructions
- 0 pointer to patcher function
- -8 bp
+ lm a0, a4, REGS+(2*4)(sp)
+ ld %f0, FREGS+(0*8)(sp)
+ ld %f1, FREGS+(1*8)(sp)
+ ld %f2, FREGS+(2*8)(sp)
+ ld %f3, FREGS+(3*8)(sp)
+ ld %f5, FREGS+(5*8)(sp)
+ ld %f7, FREGS+(7*8)(sp)
+ ld %f8, FREGS+(8*8)(sp)
+ ld %f9, FREGS+(9*8)(sp)
+ ld %f10, FREGS+(10*8)(sp)
+ ld %f11, FREGS+(11*8)(sp)
+ ld %f12, FREGS+(12*8)(sp)
+ ld %f13, FREGS+(13*8)(sp)
+ ld %f14, FREGS+(14*8)(sp)
+ ld %f15, FREGS+(15*8)(sp)
+
+ j L_restore_done
+
+L_restore_saved:
+
+ /* if we are not a maybe leaf,
+ * we have to restore callee saved registers of the callee
+ */
-*******************************************************************************/
+ l itmp3, OUT+(0*4)(sp) /* out[0] contains IntSav */
-asm_patcher_wrapper:
- push bp /* save base pointer */
- mov sp,bp /* move actual sp to bp */
- sub $((3+ARG_CNT+TMP_CNT)*8+sizestackframeinfo),sp
- and $0xfffffffffffffff0,sp /* align sp to 16-byte (this is for */
- /* leaf functions) */
+ ahi itmp3, -1
+ jl L_int_done
+ l s5, REGS+(12*4)(sp)
- SAVE_ARGUMENT_REGISTERS(3)
- SAVE_TEMPORARY_REGISTERS(3+ARG_CNT)
+ ahi itmp3, -1
+ jl L_int_done
+ l s4, REGS+(11*4)(sp)
- mov itmp1,0*8(sp) /* save itmp1 and itmp2 */
- mov itmp2,1*8(sp) /* can be used by some instructions */
+ ahi itmp3, -1
+ jl L_int_done
+ l s3, REGS+(10*4)(sp)
- mov bp,a0 /* pass SP of patcher stub */
- add $(1*8),a0
- mov $0,a1 /* pass PV (if NULL, use findmethod) */
- mov $0,a2 /* pass RA (it's on the stack) */
- call patcher_wrapper@PLT
- mov v0,2*8(sp) /* save return value */
+ ahi itmp3, -1
+ jl L_int_done
+ l s2, REGS+(9*4)(sp)
- RESTORE_ARGUMENT_REGISTERS(3)
- RESTORE_TEMPORARY_REGISTERS(3+ARG_CNT)
+ ahi itmp3, -1
+ jl L_int_done
+ l s1, REGS+(8*4)(sp)
- mov 0*8(sp),itmp1 /* restore itmp1 and itmp2 */
- mov 1*8(sp),itmp2 /* can be used by some instructions */
- mov 2*8(sp),itmp3 /* restore return value */
+ ahi itmp3, -1
+ jl L_int_done
+ l s0, REGS+(7*4)(sp)
- mov bp,sp /* restore original sp */
- pop bp /* restore bp */
- add $(5*8),sp /* remove patcher stackframe, keep RA */
+L_int_done:
- test itmp3,itmp3 /* exception thrown? */
- jne L_asm_patcher_wrapper_exception
- ret /* call new patched code */
+ /* restore callee saved float registers */
-L_asm_patcher_wrapper_exception:
- mov itmp3,xptr /* get exception */
- pop xpc /* get and remove return address */
- jmp L_asm_handle_exception
+ /* there are currently none */
+L_flt_done:
-/* asm_replacement_out *********************************************************
+L_restore_done:
- This code is jumped to from the replacement-out stubs that are executed
- when a thread reaches an activated replacement point.
+ /* write new values for special registers */
- The purpose of asm_replacement_out is to read out the parts of the
- execution state that cannot be accessed from C code, store this state,
- and then call the C function replace_me.
+ l xptr, REGS+(0*4)(sp)
+ l xpc, REGS+(1*4)(sp)
+ l pv, REGS+(13*4)(sp)
+ l sp, REGS+(15*4)(sp)
- Stack layout:
- 8 start of stack inside method to replace
- 0 rplpoint * info on the replacement point that was reached
+ br xpc /* jump to handler */
-*******************************************************************************/
+# undef STACKFRAMESIZE
+# undef REGS
+# undef FREGS
+# undef OUT
-/* some room to accomodate changes of the stack frame size during replacement */
- /* XXX we should find a cleaner solution here */
-#define REPLACEMENT_ROOM 512
-
-asm_replacement_out:
- /* create stack frame */
- sub $(sizeexecutionstate + REPLACEMENT_ROOM),sp
-
- /* save registers in execution state */
- mov %rax,(RAX*8+offes_intregs)(sp)
- mov %rbx,(RBX*8+offes_intregs)(sp)
- mov %rcx,(RCX*8+offes_intregs)(sp)
- mov %rdx,(RDX*8+offes_intregs)(sp)
- mov %rsi,(RSI*8+offes_intregs)(sp)
- mov %rdi,(RDI*8+offes_intregs)(sp)
- mov %rbp,(RBP*8+offes_intregs)(sp)
- movq $0 ,(RSP*8+offes_intregs)(sp) /* not used */
- mov %r8 ,(R8 *8+offes_intregs)(sp)
- mov %r9 ,(R9 *8+offes_intregs)(sp)
- mov %r10,(R10*8+offes_intregs)(sp)
- mov %r11,(R11*8+offes_intregs)(sp)
- mov %r12,(R12*8+offes_intregs)(sp)
- mov %r13,(R13*8+offes_intregs)(sp)
- mov %r14,(R14*8+offes_intregs)(sp)
- mov %r15,(R15*8+offes_intregs)(sp)
-
- movq %xmm0 ,(XMM0 *8+offes_fltregs)(sp)
- movq %xmm1 ,(XMM1 *8+offes_fltregs)(sp)
- movq %xmm2 ,(XMM2 *8+offes_fltregs)(sp)
- movq %xmm3 ,(XMM3 *8+offes_fltregs)(sp)
- movq %xmm4 ,(XMM4 *8+offes_fltregs)(sp)
- movq %xmm5 ,(XMM5 *8+offes_fltregs)(sp)
- movq %xmm6 ,(XMM6 *8+offes_fltregs)(sp)
- movq %xmm7 ,(XMM7 *8+offes_fltregs)(sp)
- movq %xmm8 ,(XMM8 *8+offes_fltregs)(sp)
- movq %xmm9 ,(XMM9 *8+offes_fltregs)(sp)
- movq %xmm10,(XMM10*8+offes_fltregs)(sp)
- movq %xmm11,(XMM11*8+offes_fltregs)(sp)
- movq %xmm12,(XMM12*8+offes_fltregs)(sp)
- movq %xmm13,(XMM13*8+offes_fltregs)(sp)
- movq %xmm14,(XMM14*8+offes_fltregs)(sp)
- movq %xmm15,(XMM15*8+offes_fltregs)(sp)
-
- /* calculate sp of method */
- mov sp,itmp1
- add $(sizeexecutionstate + REPLACEMENT_ROOM + 8),itmp1
- mov itmp1,(offes_sp)(sp)
-
- /* pv must be looked up via AVL tree */
- movq $0,(offes_pv)(sp)
-
- /* call replace_me */
- mov -8(itmp1),a0 /* rplpoint * */
- mov sp,a1 /* arg1: execution state */
- call replace_me@PLT /* call C function replace_me */
- call abort@PLT /* NEVER REACHED */
-
-/* asm_replacement_in **********************************************************
-
- This code writes the given execution state and jumps to the replacement
- code.
-
- This function never returns!
-
- C prototype:
- void asm_replacement_in(executionstate *es);
+#if 0
-*******************************************************************************/
+/* asm_abstractmethoderror *****************************************************
-asm_replacement_in:
- mov a0,%rbp /* executionstate *es */
+ Creates and throws an AbstractMethodError.
- /* set new sp */
- mov (offes_sp)(%rbp),%rsp
-
- /* store address of new code */
- push (offes_pc)(%rbp)
-
- /* copy registers from execution state */
- movq (XMM0 *8+offes_fltregs)(%rbp),%xmm0
- movq (XMM1 *8+offes_fltregs)(%rbp),%xmm1
- movq (XMM2 *8+offes_fltregs)(%rbp),%xmm2
- movq (XMM3 *8+offes_fltregs)(%rbp),%xmm3
- movq (XMM4 *8+offes_fltregs)(%rbp),%xmm4
- movq (XMM5 *8+offes_fltregs)(%rbp),%xmm5
- movq (XMM6 *8+offes_fltregs)(%rbp),%xmm6
- movq (XMM7 *8+offes_fltregs)(%rbp),%xmm7
- movq (XMM8 *8+offes_fltregs)(%rbp),%xmm8
- movq (XMM9 *8+offes_fltregs)(%rbp),%xmm9
- movq (XMM10*8+offes_fltregs)(%rbp),%xmm10
- movq (XMM11*8+offes_fltregs)(%rbp),%xmm11
- movq (XMM12*8+offes_fltregs)(%rbp),%xmm12
- movq (XMM13*8+offes_fltregs)(%rbp),%xmm13
- movq (XMM14*8+offes_fltregs)(%rbp),%xmm14
- movq (XMM15*8+offes_fltregs)(%rbp),%xmm15
-
- mov (RAX*8+offes_intregs)(%rbp),%rax
- mov (RBX*8+offes_intregs)(%rbp),%rbx
- mov (RCX*8+offes_intregs)(%rbp),%rcx
- mov (RDX*8+offes_intregs)(%rbp),%rdx
- mov (RSI*8+offes_intregs)(%rbp),%rsi
- mov (RDI*8+offes_intregs)(%rbp),%rdi
- mov (R8 *8+offes_intregs)(%rbp),%r8
- mov (R9 *8+offes_intregs)(%rbp),%r9
- mov (R10*8+offes_intregs)(%rbp),%r10
- mov (R11*8+offes_intregs)(%rbp),%r11
- mov (R12*8+offes_intregs)(%rbp),%r12
- mov (R13*8+offes_intregs)(%rbp),%r13
- mov (R14*8+offes_intregs)(%rbp),%r14
- mov (R15*8+offes_intregs)(%rbp),%r15
-
- mov (RBP*8+offes_intregs)(%rbp),%rbp
-
- /* jump to new code */
- ret
-
-
-/* asm_builtin_x2x *************************************************************
-* *
-* Wrapper functions for float to int corner cases *
-* *
*******************************************************************************/
-asm_builtin_f2i:
- sub $(ARG_CNT*8),sp
-
- SAVE_ARGUMENT_REGISTERS(0)
-
- movq ftmp1,fa0
- call builtin_f2i@PLT
-
- RESTORE_ARGUMENT_REGISTERS(0)
-
- add $(ARG_CNT*8),sp
- ret
-
-
-asm_builtin_f2l:
- sub $(ARG_CNT*8),sp
-
- SAVE_ARGUMENT_REGISTERS(0)
-
- movq ftmp1,fa0
- call builtin_f2l@PLT
-
- RESTORE_ARGUMENT_REGISTERS(0)
-
- add $(ARG_CNT*8),sp
- ret
-
-
-asm_builtin_d2i:
- sub $(ARG_CNT*8),sp
-
- SAVE_ARGUMENT_REGISTERS(0)
-
- movq ftmp1,fa0
- call builtin_d2i@PLT
-
- RESTORE_ARGUMENT_REGISTERS(0)
-
- add $(ARG_CNT*8),sp
- ret
-
+asm_abstractmethoderror:
+ mov sp,a0 /* pass java sp */
+ add $1*8,a0
+ mov 0*8(sp),a1 /* pass exception address */
+ sub $3,a1
+ call exceptions_asm_new_abstractmethoderror@PLT
+ /* exception pointer is return value */
+ pop xpc /* get exception address */
+ sub $3,xpc /* exception address is ra - 3 */
+ jmp L_asm_handle_exception
-asm_builtin_d2l:
- sub $(ARG_CNT*8),sp
-
- SAVE_ARGUMENT_REGISTERS(0)
-
- movq ftmp1,fa0
- call builtin_d2l@PLT
-
- RESTORE_ARGUMENT_REGISTERS(0)
-
- add $(ARG_CNT*8),sp
- ret
-
-
-asm_getclassvalues_atomic:
-_crit_restart:
-_crit_begin:
- movl offbaseval(a0),itmp1l
- movl offdiffval(a0),itmp2l
- movl offbaseval(a1),itmp3l
-_crit_end:
- movl itmp1l,offcast_super_baseval(a2)
- movl itmp2l,offcast_super_diffval(a2)
- movl itmp3l,offcast_sub_baseval(a2)
- ret
-
- .data
-
-asm_criticalsections:
-#if defined(ENABLE_THREADS)
- .quad _crit_begin
- .quad _crit_end
- .quad _crit_restart
#endif
- .quad 0
+/* Offset table for PIC calls, see CALL_PIC */
-/* Disable exec-stacks, required for Gentoo ***********************************/
-
-#if defined(__GCC__) && defined(__ELF__)
- .section .note.GNU-stack,"",@progbits
-#endif
-
+L_offsets:
+ .long _GLOBAL_OFFSET_TABLE_ - L_offsets
+L_offset_builtin_throw_exception:
+ .long builtin_throw_exception@PLTOFF
+L_offset_jit_asm_compile:
+ .long jit_asm_compile@PLTOFF
+L_offset_exceptions_get_and_clear_exception:
+ .long exceptions_get_and_clear_exception@PLTOFF
+L_offset_md_handle_exception:
+ .long md_handle_exception@PLTOFF
-#endif /* if 0 */
/*
* These are local overrides for various environment variables in Emacs.