diff mbox series

[v9,63/84] elf: Add nanoMIPS specific variations in ELF header fields

Message ID 1534431497-1385-64-git-send-email-aleksandar.markovic@rt-rk.com
State New
Headers show
Series Add nanoMIPS support to QEMU | expand

Commit Message

Aleksandar Markovic Aug. 16, 2018, 2:57 p.m. UTC 
From: Aleksandar Rikalo <arikalo@wavecomp.com>

Add nanoMIPS-related values in ELF header fields as specified in
nanoMIPS' "ELF ABI Supplement".

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
---
 include/elf.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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Patch

diff --git a/include/elf.h b/include/elf.h
index 312f68a..341960c 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -62,6 +62,24 @@  typedef int64_t  Elf64_Sxword;
 #define EF_MIPS_FP64      0x00000200
 #define EF_MIPS_NAN2008   0x00000400
 
+/* nanoMIPS architecture bits, EF_NANOMIPS_ARCH */
+#define EF_NANOMIPS_ARCH_32R6 0x00000000  /* 32-bit nanoMIPS Release 6 ISA   */
+#define EF_NANOMIPS_ARCH_64R6 0x10000000  /* 62-bit nanoMIPS Release 6 ISA   */
+
+/* nanoMIPS ABI bits, EF_NANOMIPS_ABI */
+#define EF_NANOMIPS_ABI_P32   0x00001000  /* 32-bit nanoMIPS ABI             */
+#define EF_NANOMIPS_ABI_P64   0x00002000  /* 64-bit nanoMIPS ABI             */
+
+/* nanoMIPS processor specific flags, e_flags */
+#define EF_NANOMIPS_LINKRELAX 0x00000001  /* Link-time relaxation            */
+#define EF_NANOMIPS_PIC       0x00000002  /* Position independent code       */
+#define EF_NANOMIPS_32BITMODE 0x00000004  /* 32-bit object for 64-bit arch.  */
+#define EF_NANOMIPS_PID       0x00000008  /* Position independent data       */
+#define EF_NANOMIPS_PCREL     0x00000010  /* PC-relative mode                */
+#define EF_NANOMIPS_ABI       0x0000f000  /* nanoMIPS ABI                    */
+#define EF_NANOMIPS_MACH      0x00ff0000  /* Machine variant                 */
+#define EF_NANOMIPS_ARCH      0xf0000000  /* nanoMIPS architecture           */
+
 /* MIPS machine variant */
 #define EF_MIPS_MACH_NONE     0x00000000  /* A standard MIPS implementation  */
 #define EF_MIPS_MACH_3900     0x00810000  /* Toshiba R3900                   */