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[PULL,03/48] include/elf: Add defines related to GNU property notes for AArch64

Message ID 20201027114438.17662-4-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series [PULL,01/48] linux-user/aarch64: Reset btype for signals | expand

Commit Message

Peter Maydell Oct. 27, 2020, 11:43 a.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

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>
---
 include/elf.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
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Patch

diff --git a/include/elf.h b/include/elf.h
index c117a4d1ab0..10126ff809a 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.
  *