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update boehm-gc for powerpc m64 darwin.
boehm-gc: * powerpc_darwin_mach_dep.s: Update for m64. Add eh frames. Do not build or use the picsymbol stub for Darwin >= 9. * tests/test.c (reverse_test): Modify count for ppc64-darwin. * pthread_support.c (GC_get_thread_stack_base): Correct a debug statement. From-SVN: r167681
This commit is contained in:
Iain Sandoe
parent
ec3e9f8267
commit
48f854c788
@ -1,3 +1,11 @@
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2010-12-10 Iain Sandoe <iains@gcc.gnu.org>
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* powerpc_darwin_mach_dep.s: Update for m64. Add eh frames.
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Do not build or use the picsymbol stub for Darwin >= 9.
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* tests/test.c (reverse_test): Modify count for ppc64-darwin.
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* pthread_support.c (GC_get_thread_stack_base): Correct a debug
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statement.
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2010-11-29 Iain Sandoe <iains@gcc.gnu.org>
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Mike Stump <mrs@gcc.gnu.org>
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@ -4,11 +4,37 @@
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#define MODE_CHOICE(x, y) x
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#endif
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#define lgu MODE_CHOICE(lwzu, ldu)
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#define machine_choice MODE_CHOICE(ppc7400,ppc64)
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#define g_long MODE_CHOICE(long, quad) /* usage is ".g_long" */
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; Define some pseudo-opcodes for size-independent load & store of GPRs ...
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#define lgu MODE_CHOICE(lwzu, ldu)
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#define lg MODE_CHOICE(lwz,ld)
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#define sg MODE_CHOICE(stw,std)
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#define sgu MODE_CHOICE(stwu,stdu)
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#define LOG2_GPR_BYTES MODE_CHOICE(2,3) /* log2(GPR_BYTES) */
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; ... and the size of GPRs and their storage indicator.
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#define GPR_BYTES MODE_CHOICE(4,8)
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#define LOG2_GPR_BYTES MODE_CHOICE(2,3) /* log2(GPR_BYTES) */
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#define g_long MODE_CHOICE(long, quad) /* usage is ".g_long" */
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; From the ABI doc: "Mac OS X ABI Function Call Guide" Version 2009-02-04.
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#define LINKAGE_SIZE MODE_CHOICE(24,48)
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#define PARAM_AREA MODE_CHOICE(32,64)
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#define SAVED_LR_OFFSET MODE_CHOICE(8,16) /* save position for lr */
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; The whole stack frame **MUST** be 16byte-aligned.
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#define SAVE_SIZE (LINKAGE_SIZE+PARAM_AREA)
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#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050
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; We no longer need the pic symbol stub for Darwin >= 9.
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#define BLGCP1 _GC_push_one
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#undef WANT_STUB
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#else
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#define BLGCP1 L_GC_push_one$stub
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#define WANT_STUB
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#endif
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.machine machine_choice
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; GC_push_regs function. Under some optimization levels GCC will clobber
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; some of the non-volatile registers before we get a chance to save them
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@ -21,61 +47,116 @@ _GC_push_regs:
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; Prolog
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mflr r0
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stw r0,8(r1)
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stwu r1,-80(r1)
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sg r0,SAVED_LR_OFFSET(r1)
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sgu r1,-SAVE_SIZE(r1)
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; Push r13-r31
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L_body:
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; 'Push' r13-r31
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mr r3,r13
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r14
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r15
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r16
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r17
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r18
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r19
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r20
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r21
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r22
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r23
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r24
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r25
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r26
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r27
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r28
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r29
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r30
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bl L_GC_push_one$stub
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bl BLGCP1
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mr r3,r31
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bl L_GC_push_one$stub
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bl BLGCP1
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;
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lwz r0,88(r1)
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addi r1,r1,80
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L_epilog:
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; Epilog
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lg r0,SAVE_SIZE+SAVED_LR_OFFSET(r1)
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addi r1,r1,SAVE_SIZE
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mtlr r0
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; Return
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; Return
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blr
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LFE0:
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; PIC stuff, generated by GCC
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; eh frames, for those that want 'em.
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.data
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.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
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#define EH_DATA_ALIGN_FACT MODE_CHOICE(0x7c,0x78)
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#define EH_FRAME_OFFSET MODE_CHOICE(0x40,0x70)
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.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
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EH_frame1:
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.set L$set$0,LECIE1-LSCIE1
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.long L$set$0 ; Length of Common Information Entry
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LSCIE1:
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.long 0 ; CIE Identifier Tag
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.byte 0x1 ; CIE Version
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.ascii "zR\0" ; CIE Augmentation
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.byte 0x1 ; uleb128 0x1; CIE Code Alignment Factor
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.byte EH_DATA_ALIGN_FACT ; sleb128 -4/-8; CIE Data Alignment Factor
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.byte 0x41 ; CIE RA Column
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.byte 0x1 ; uleb128 0x1; Augmentation size
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.byte 0x10 ; FDE Encoding (pcrel)
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.byte 0xc ; DW_CFA_def_cfa
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.byte 0x1 ; uleb128 0x1
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.byte 0 ; uleb128 0
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.align LOG2_GPR_BYTES
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LECIE1:
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.globl _GC_push_regs.eh
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_GC_push_regs.eh:
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LSFDE1:
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.set L$set$1,LEFDE1-LASFDE1
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.long L$set$1 ; FDE Length
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LASFDE1:
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.long LASFDE1-EH_frame1 ; FDE CIE offset
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.g_long _GC_push_regs-. ; FDE initial location
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.set L$set$2,LFE0-_GC_push_regs
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.g_long L$set$2 ; FDE address range
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.byte 0 ; uleb128 0; Augmentation size
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.byte 0x4 ; DW_CFA_advance_loc4
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.set L$set$3,L_body-_GC_push_regs
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.long L$set$3
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.byte 0xe ; DW_CFA_def_cfa_offset
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.byte EH_FRAME_OFFSET ; uleb128 0x40/0x70
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.byte 0x11 ; DW_CFA_offset_extended_sf
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.byte 0x41 ; uleb128 0x41
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.byte 0x7e ; sleb128 -2
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.byte 0x4 ; DW_CFA_advance_loc4
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.set L$set$4,L_epilog-L_body
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.long L$set$4
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.byte 0xe ; DW_CFA_def_cfa_offset
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.byte 0 ; uleb128 0
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.align LOG2_GPR_BYTES
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LEFDE1:
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.data
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#ifdef WANT_STUB
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; PIC stub stuff, generated by GCC
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.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
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.align LOG2_GPR_BYTES
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L_GC_push_one$stub:
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.indirect_symbol _GC_push_one
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@ -88,8 +169,10 @@ L0$_GC_push_one:
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lgu r12,lo16(L_GC_push_one$lazy_ptr-L0$_GC_push_one)(r11)
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mtctr r12
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bctr
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.data
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.lazy_symbol_pointer
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.data
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.lazy_symbol_pointer
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L_GC_push_one$lazy_ptr:
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.indirect_symbol _GC_push_one
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.g_long dyld_stub_binding_helper
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#endif
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@ -1158,7 +1158,7 @@ GC_PTR GC_get_thread_stack_base()
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# else
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# ifdef DEBUG_THREADS
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GC_printf1("Can not determine stack base for attached thread");
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GC_printf0("Can not determine stack base for attached thread");
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# endif
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return 0;
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# endif
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@ -624,7 +624,12 @@ void reverse_test()
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/* OSF has limited stack space by default, and large frames. */
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# define BIG 200
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# else
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# define BIG 4500
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# if defined(__MACH__) && defined(__ppc64__)
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/* Small stack and largish frames. */
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# define BIG 2500
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# else
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# define BIG 4500
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# endif
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# endif
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# endif
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# endif
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