From 65793e420e34fa140025b1b2d68d84e25f305f63 Mon Sep 17 00:00:00 2001 From: Richard Earnshaw Date: Wed, 4 Jan 2017 14:25:04 +0000 Subject: [PATCH] [DWARF] New DWARF operation "DW_OP_AARCH64_operation" for AArch64 include/ * dwarf2.def (DW_OP_AARCH64_operation): Reserve the number 0xea. (DW_CFA_GNU_window_save): Comments the multiplexing on AArch64. Co-Authored-By: Jiong Wang From-SVN: r244055 --- include/ChangeLog | 6 ++++++ include/dwarf2.def | 9 ++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/include/ChangeLog b/include/ChangeLog index f8a0700afee..d580750b00a 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2017-01-04 Richard Earnshaw + Jiong Wang + + * dwarf2.def (DW_OP_AARCH64_operation): Reserve the number 0xea. + (DW_CFA_GNU_window_save): Comments the multiplexing on AArch64. + 2017-01-04 Jakub Jelinek Update copyright years. diff --git a/include/dwarf2.def b/include/dwarf2.def index 4596c9a336b..ddadaccb25c 100644 --- a/include/dwarf2.def +++ b/include/dwarf2.def @@ -685,6 +685,12 @@ DW_OP (DW_OP_HP_unmod_range, 0xe5) DW_OP (DW_OP_HP_tls, 0xe6) /* PGI (STMicroelectronics) extensions. */ DW_OP (DW_OP_PGI_omp_thread_num, 0xf8) +/* AARCH64 extensions. + DW_OP_AARCH64_operation takes one mandatory unsigned LEB128 operand. + Bits[6:0] of this operand is the action code, all others bits are initialized + to 0 except explicitly documented for one action. Please refer AArch64 DWARF + ABI documentation for details. */ +DW_OP (DW_OP_AARCH64_operation, 0xea) DW_END_OP DW_FIRST_ATE (DW_ATE_void, 0x0) @@ -766,7 +772,8 @@ DW_CFA (DW_CFA_hi_user, 0x3f) /* SGI/MIPS specific. */ DW_CFA (DW_CFA_MIPS_advance_loc8, 0x1d) -/* GNU extensions. */ +/* GNU extensions. + NOTE: DW_CFA_GNU_window_save is multiplexed on Sparc and AArch64. */ DW_CFA (DW_CFA_GNU_window_save, 0x2d) DW_CFA (DW_CFA_GNU_args_size, 0x2e) DW_CFA (DW_CFA_GNU_negative_offset_extended, 0x2f) -- 2.30.2