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Merge pull request #59 from iains/powerpc-darwin-unwind-fix

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Fix PowerPC Darwin FDE encodings to use pcrel correctly.  Modernise the picbase labels.
This commit is contained in:
Anthony Green
2013-11-18 06:34:04 -08:00
parent 2f450822a8 aa1f62c0a0
commit 69df91cfb4
3 changed files with 22 additions and 26 deletions
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6
ChangeLog
View File

@@ -1,3 +1,9 @@
2013-11-18 Iain Sandoe <iain@codesourcery.com>
* src/powerpc/darwin.S (EH): Correct use of pcrel FDE encoding.
* src/powerpc/darwin_closure.S (EH): Likewise. Modernise picbase
labels.
2013-11-18 Anthony Green <green@moxielogic.com>
* src/arm/ffi.c (ffi_call): Hoist declaration of temp to top of

9
src/powerpc/darwin.S
View File

@@ -318,11 +318,6 @@ _ffi_call_AIX:
#define EH_DATA_ALIGN_FACT MODE_CHOICE(0x7c,0x78)
.static_data
.align LOG2_GPR_BYTES
LLFB0$non_lazy_ptr:
.g_long Lstartcode
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
EH_frame1:
.set L$set$0,LECIE1-LSCIE1
@@ -335,7 +330,7 @@ LSCIE1:
.byte EH_DATA_ALIGN_FACT ; sleb128 -4; CIE Data Alignment Factor
.byte 0x41 ; CIE RA Column
.byte 0x1 ; uleb128 0x1; Augmentation size
.byte 0x10 ; FDE Encoding (indirect pcrel)
.byte 0x10 ; FDE Encoding (pcrel)
.byte 0xc ; DW_CFA_def_cfa
.byte 0x1 ; uleb128 0x1
.byte 0x0 ; uleb128 0x0
@@ -349,7 +344,7 @@ LSFDE1:
.long L$set$1 ; FDE Length
LASFDE1:
.long LASFDE1-EH_frame1 ; FDE CIE offset
.g_long LLFB0$non_lazy_ptr-. ; FDE initial location
.g_long Lstartcode-. ; FDE initial location
.set L$set$3,LFE1-Lstartcode
.g_long L$set$3 ; FDE address range
.byte 0x0 ; uleb128 0x0; Augmentation size

33
src/powerpc/darwin_closure.S
View File

@@ -467,11 +467,6 @@ Lendcode:
#define EH_FRAME_OFFSETA MODE_CHOICE(176,0x90)
#define EH_FRAME_OFFSETB MODE_CHOICE(1,3)
.static_data
.align LOG2_GPR_BYTES
LLFB1$non_lazy_ptr:
.g_long Lstartcode
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
EH_frame1:
.set L$set$0,LECIE1-LSCIE1
@@ -484,7 +479,7 @@ LSCIE1:
.byte EH_DATA_ALIGN_FACT ; sleb128 -4; CIE Data Alignment Factor
.byte 0x41 ; CIE RA Column
.byte 0x1 ; uleb128 0x1; Augmentation size
.byte 0x10 ; FDE Encoding (indirect pcrel)
.byte 0x10 ; FDE Encoding (pcrel)
.byte 0xc ; DW_CFA_def_cfa
.byte 0x1 ; uleb128 0x1
.byte 0x0 ; uleb128 0x0
@@ -498,7 +493,7 @@ LSFDE1:
LASFDE1:
.long LASFDE1-EH_frame1 ; FDE CIE offset
.g_long LLFB1$non_lazy_ptr-. ; FDE initial location
.g_long Lstartcode-. ; FDE initial location
.set L$set$3,LFE1-Lstartcode
.g_long L$set$3 ; FDE address range
.byte 0x0 ; uleb128 0x0; Augmentation size
@@ -523,12 +518,12 @@ LEFDE1:
L_ffi_closure_helper_DARWIN$stub:
.indirect_symbol _ffi_closure_helper_DARWIN
mflr r0
bcl 20,31,"L00000000001$spb"
"L00000000001$spb":
bcl 20,31,"L1$spb"
"L1$spb":
mflr r11
addis r11,r11,ha16(L_ffi_closure_helper_DARWIN$lazy_ptr-"L00000000001$spb")
addis r11,r11,ha16(L_ffi_closure_helper_DARWIN$lazy_ptr-"L1$spb")
mtlr r0
lwzu r12,lo16(L_ffi_closure_helper_DARWIN$lazy_ptr-"L00000000001$spb")(r11)
lwzu r12,lo16(L_ffi_closure_helper_DARWIN$lazy_ptr-"L1$spb")(r11)
mtctr r12
bctr
.lazy_symbol_pointer
@@ -542,12 +537,12 @@ L_ffi_closure_helper_DARWIN$lazy_ptr:
L_darwin64_struct_ret_by_value_p$stub:
.indirect_symbol _darwin64_struct_ret_by_value_p
mflr r0
bcl 20,31,"L00000000002$spb"
"L00000000002$spb":
bcl 20,31,"L2$spb"
"L2$spb":
mflr r11
addis r11,r11,ha16(L_darwin64_struct_ret_by_value_p$lazy_ptr-"L00000000002$spb")
addis r11,r11,ha16(L_darwin64_struct_ret_by_value_p$lazy_ptr-"L2$spb")
mtlr r0
lwzu r12,lo16(L_darwin64_struct_ret_by_value_p$lazy_ptr-"L00000000002$spb")(r11)
lwzu r12,lo16(L_darwin64_struct_ret_by_value_p$lazy_ptr-"L2$spb")(r11)
mtctr r12
bctr
.lazy_symbol_pointer
@@ -560,12 +555,12 @@ L_darwin64_struct_ret_by_value_p$lazy_ptr:
L_darwin64_pass_struct_floats$stub:
.indirect_symbol _darwin64_pass_struct_floats
mflr r0
bcl 20,31,"L00000000003$spb"
"L00000000003$spb":
bcl 20,31,"L3$spb"
"L3$spb":
mflr r11
addis r11,r11,ha16(L_darwin64_pass_struct_floats$lazy_ptr-"L00000000003$spb")
addis r11,r11,ha16(L_darwin64_pass_struct_floats$lazy_ptr-"L3$spb")
mtlr r0
lwzu r12,lo16(L_darwin64_pass_struct_floats$lazy_ptr-"L00000000003$spb")(r11)
lwzu r12,lo16(L_darwin64_pass_struct_floats$lazy_ptr-"L3$spb")(r11)
mtctr r12
bctr
.lazy_symbol_pointer