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Refactor UnwindInfo codes and frame_register (#2307)

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* Refactor UnwindInfo codes and frame_register

* use isa word_size

* fix filetests

* Add comment about UnwindCode::PushRegister
This commit is contained in:
Yury Delendik
2020-10-22 14:52:42 -05:00
committed by GitHub
parent 4f104d3a4e
commit b10e027fef
8 changed files with 219 additions and 128 deletions
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23
cranelift/filetests/filetests/isa/x86/systemv_x64_unwind.clif
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@@ -38,7 +38,7 @@ block0:
; nextln: DW_CFA_def_cfa_register (r6)
; nextln: DW_CFA_advance_loc (1)
; nextln: DW_CFA_def_cfa (r7, 8)
; nextln: DW_CFA_nop
; nextln: DW_CFA_same_value (r6)
; nextln: DW_CFA_nop
; check a function with medium-sized stack alloc
@@ -77,7 +77,7 @@ block0:
; nextln: DW_CFA_def_cfa_register (r6)
; nextln: DW_CFA_advance_loc (21)
; nextln: DW_CFA_def_cfa (r7, 8)
; nextln: DW_CFA_nop
; nextln: DW_CFA_same_value (r6)
; nextln: DW_CFA_nop
; check a function with large-sized stack alloc
@@ -116,7 +116,7 @@ block0:
; nextln: DW_CFA_def_cfa_register (r6)
; nextln: DW_CFA_advance_loc (21)
; nextln: DW_CFA_def_cfa (r7, 8)
; nextln: DW_CFA_nop
; nextln: DW_CFA_same_value (r6)
; nextln: DW_CFA_nop
; nextln:
@@ -169,7 +169,7 @@ block0(v0: i64, v1: i64):
; nextln:
; nextln:
; nextln: 0x00000018: FDE
; nextln: length: 0x00000034
; nextln: length: 0x00000044
; nextln: CIE_pointer: 0x00000000
; nextln: start_addr: 0x0000000000000000
; nextln: range_size: 0x0000000000000074 (end_addr = 0x0000000000000074)
@@ -189,9 +189,18 @@ block0(v0: i64, v1: i64):
; nextln: DW_CFA_offset (r14, 6)
; nextln: DW_CFA_advance_loc (2)
; nextln: DW_CFA_offset (r15, 7)
; nextln: DW_CFA_advance_loc (102)
; nextln: DW_CFA_advance_loc (94)
; nextln: DW_CFA_same_value (r15)
; nextln: DW_CFA_advance_loc (2)
; nextln: DW_CFA_same_value (r14)
; nextln: DW_CFA_advance_loc (2)
; nextln: DW_CFA_same_value (r13)
; nextln: DW_CFA_advance_loc (2)
; nextln: DW_CFA_same_value (r12)
; nextln: DW_CFA_advance_loc (1)
; nextln: DW_CFA_same_value (r3)
; nextln: DW_CFA_advance_loc (1)
; nextln: DW_CFA_def_cfa (r7, 8)
; nextln: DW_CFA_nop
; nextln: DW_CFA_nop
; nextln: DW_CFA_same_value (r6)
; nextln: DW_CFA_nop
; nextln: DW_CFA_nop