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authorRichard Henderson <richard.henderson@linaro.org>2020-10-21 10:37:40 -0700
committerPeter Maydell <peter.maydell@linaro.org>2020-10-27 10:44:02 +0000
commit069175bfd821a9ef16b0110b92b2b6116f981fc0 (patch)
tree2c22dd2c2a5bca5e1477861d6388f49f7517d959
parentbe5d6f4884021208ae0e73379c83e51500ad3a8d (diff)
include/elf: Add defines related to GNU property notes for AArch64
These are all of the defines required to parse GNU_PROPERTY_AARCH64_FEATURE_1_AND, copied from binutils. Other missing defines related to other GNU program headers and notes are elided for now. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20201021173749.111103-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--include/elf.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/elf.h b/include/elf.h
index c117a4d1ab..10126ff809 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -26,9 +26,13 @@ typedef int64_t Elf64_Sxword;
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
+#define PT_LOOS 0x60000000
+#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
+#define PT_GNU_PROPERTY (PT_LOOS + 0x474e553)
+
#define PT_MIPS_REGINFO 0x70000000
#define PT_MIPS_RTPROC 0x70000001
#define PT_MIPS_OPTIONS 0x70000002
@@ -1657,6 +1661,24 @@ typedef struct elf64_shdr {
#define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */
#define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension regs */
+/* Defined note types for GNU systems. */
+
+#define NT_GNU_PROPERTY_TYPE_0 5 /* Program property */
+
+/* Values used in GNU .note.gnu.property notes (NT_GNU_PROPERTY_TYPE_0). */
+
+#define GNU_PROPERTY_STACK_SIZE 1
+#define GNU_PROPERTY_NO_COPY_ON_PROTECTED 2
+
+#define GNU_PROPERTY_LOPROC 0xc0000000
+#define GNU_PROPERTY_HIPROC 0xdfffffff
+#define GNU_PROPERTY_LOUSER 0xe0000000
+#define GNU_PROPERTY_HIUSER 0xffffffff
+
+#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
+#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1u << 0)
+#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1u << 1)
+
/*
* Physical entry point into the kernel.
*