bridges/source/cpp_uno/gcc3_linux_x86-64/call.s | 44 ++++++++++++------------
1 file changed, 23 insertions(+), 21 deletions(-)
New commits:
commit 99fa607245332d687d494d8d4404cf067ca21fb3
Author: Stephan Bergmann <sberg...@redhat.com>
AuthorDate: Wed Jul 28 15:10:20 2021 +0200
Commit: Stephan Bergmann <sberg...@redhat.com>
CommitDate: Wed Jul 28 22:59:08 2021 +0200
Annotate the .eh_frame data
...to convince myself that it is only about the initial %rsp/%rbp fiddling,
and
is not affected by the ca344be7aabf88dddde38841e6af6292ece6829b
"tdf#143450: Fix
special fp+integer struct return case for gcc_*_x86-64" changes to later
parts
of privateSnippetExecutor
Change-Id: I7bfad4cb5e1c2208e29c73a70874b6e9eff29eb2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/119610
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sberg...@redhat.com>
diff --git a/bridges/source/cpp_uno/gcc3_linux_x86-64/call.s
b/bridges/source/cpp_uno/gcc3_linux_x86-64/call.s
index 00909188a7b6..ee8403ab7180 100644
--- a/bridges/source/cpp_uno/gcc3_linux_x86-64/call.s
+++ b/bridges/source/cpp_uno/gcc3_linux_x86-64/call.s
@@ -77,39 +77,41 @@ privateSnippetExecutor:
# and http://mentorembedded.github.io/cxx-abi/exceptions.pdf for more
info
.section .eh_frame,"a",@unwind
.Lframe1:
- .long .LECIE1-.LSCIE1
+ .long .LECIE1-.LSCIE1 # CIE Length
.LSCIE1:
- .long 0x0
- .byte 0x1
- .string "zR"
- .uleb128 0x1
- .sleb128 -8
- .byte 0x10
- .uleb128 0x1
- .byte 0x1b
- .byte 0xc
+ .long 0x0 # CIE ID
+ .byte 0x1 # CIE Version
+ .string "zR" # CIE Augmentation String
+ .uleb128 0x1 # CIE Code Alignment Factor
+ .sleb128 -8 # CIE Data Alignment Factor
+ .byte 0x10 # CIE Return Address Register: pseudo
"Return Address RA"
+ .uleb128 0x1 # CIE Augmentation Data Length
+ .byte 0x1b # CIE Augmentation Data
+ # CIE Initial Instructions:
+ .byte 0xc # DW_CFA_def_cfa %rsp +8
.uleb128 0x7
.uleb128 0x8
- .byte 0x90
+ .byte 0x90 # DW_CFA_offset (pseudo "Return
Address RA") +1 (i.e., -8)
.uleb128 0x1
.align 8
.LECIE1:
.LSFDE1:
- .long .LEFDE1-.LASFDE1
+ .long .LEFDE1-.LASFDE1 # FDE Length
.LASFDE1:
- .long .LASFDE1-.Lframe1
- .long .LFB3-.
- .long .LFE3-.LFB3
- .uleb128 0x0
- .byte 0x4
+ .long .LASFDE1-.Lframe1 # FDE CIE Pointer
+ .long .LFB3-. # FDE PC Begin
+ .long .LFE3-.LFB3 # FDE PC Range
+ .uleb128 0x0 # FDE Augmentation Data Length
+ # FDE Call Frame Instructions:
+ .byte 0x4 # DW_CFA_advance_loc4 .LCFI0
.long .LCFI0-.LFB3
- .byte 0xe
+ .byte 0xe # DW_CFA_def_cfa_offset +16
.uleb128 0x10
- .byte 0x86
+ .byte 0x86 # DW_CFA_offset %rbp +2 (i.e., -16)
.uleb128 0x2
- .byte 0x4
+ .byte 0x4 # DW_CFA_advance_loc4 .LCFI1
.long .LCFI1-.LCFI0
- .byte 0xd
+ .byte 0xd # DW_CFA_def_cfa_register %rbp
.uleb128 0x6
.align 8
.LEFDE1:
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