From 5636faf2bcd1a82bb2a2b22a4146602c45c5508a Mon Sep 17 00:00:00 2001 From: Jiong Wang Date: Fri, 20 Jan 2017 00:19:01 +0000 Subject: [AArch64][4/4] libgcc unwinder support for return address signing libgcc/ * config/aarch64/aarch64-unwind.h: New file. (DWARF_REGNUM_AARCH64_RA_STATE): Define. (MD_POST_EXTRACT_ROOT_ADDR): New target marcro and define it on AArch64. (MD_POST_EXTRACT_FRAME_ADDR): Likewise. (MD_POST_FROB_EH_HANDLER_ADDR): Likewise. (MD_FROB_UPDATE_CONTEXT): Define it on AArch64. (aarch64_post_extract_frame_addr): New function. (aarch64_post_frob_eh_handler_addr): New function. (aarch64_frob_update_context): New function. * config/aarch64/linux-unwind.h: Include aarch64-unwind.h * config.host (aarch64*-*-elf, aarch64*-*-rtems*, aarch64*-*-freebsd*): Initialize md_unwind_header to include aarch64-unwind.h. * unwind-dw2.c (struct _Unwind_Context): Define "RA_A_SIGNED_BIT". (execute_cfa_program): Multiplex DW_CFA_GNU_window_save for __aarch64__. (uw_update_context): Honor MD_POST_EXTRACT_FRAME_ADDR. (uw_init_context_1): Honor MD_POST_EXTRACT_ROOT_ADDR. (uw_frob_return_addr): New function. (uw_install_context): Use uw_frob_return_addr. From-SVN: r244673 --- libgcc/config/aarch64/linux-unwind.h | 1 + 1 file changed, 1 insertion(+) (limited to 'libgcc/config') diff --git a/libgcc/config/aarch64/linux-unwind.h b/libgcc/config/aarch64/linux-unwind.h index 1256f01..a8fa1d5 100644 --- a/libgcc/config/aarch64/linux-unwind.h +++ b/libgcc/config/aarch64/linux-unwind.h @@ -24,6 +24,7 @@ #include #include +#include "config/aarch64/aarch64-unwind.h" /* Since insns are always stored LE, on a BE system the opcodes will -- cgit v1.1