1 files changed, 65 insertions, 0 deletions

diff --git a/arch/mips/boot/ecoff.h b/arch/mips/boot/ecoff.h
new file mode 100644
index 000000000..5be79ebfc
--- /dev/null
+++ b/arch/mips/boot/ecoff.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Some ECOFF definitions.
+ */
+
+#include <stdint.h>
+
+typedef struct filehdr {
+        uint16_t        f_magic;        /* magic number */
+        uint16_t        f_nscns;        /* number of sections */
+        int32_t         f_timdat;       /* time & date stamp */
+        int32_t         f_symptr;       /* file pointer to symbolic header */
+        int32_t         f_nsyms;        /* sizeof(symbolic hdr) */
+        uint16_t        f_opthdr;       /* sizeof(optional hdr) */
+        uint16_t        f_flags;        /* flags */
+} FILHDR;
+#define FILHSZ  sizeof(FILHDR)
+
+#define MIPSEBMAGIC     0x160
+#define MIPSELMAGIC     0x162
+
+typedef struct scnhdr {
+        char            s_name[8];      /* section name */
+        int32_t         s_paddr;        /* physical address, aliased s_nlib */
+        int32_t         s_vaddr;        /* virtual address */
+        int32_t         s_size;         /* section size */
+        int32_t         s_scnptr;       /* file ptr to raw data for section */
+        int32_t         s_relptr;       /* file ptr to relocation */
+        int32_t         s_lnnoptr;      /* file ptr to gp histogram */
+        uint16_t        s_nreloc;       /* number of relocation entries */
+        uint16_t        s_nlnno;        /* number of gp histogram entries */
+        int32_t         s_flags;        /* flags */
+} SCNHDR;
+#define SCNHSZ          sizeof(SCNHDR)
+#define SCNROUND        ((int32_t)16)
+
+typedef struct aouthdr {
+        int16_t magic;          /* see above                            */
+        int16_t vstamp;         /* version stamp                        */
+        int32_t tsize;          /* text size in bytes, padded to DW bdry*/
+        int32_t dsize;          /* initialized data "  "                */
+        int32_t bsize;          /* uninitialized data "   "             */
+        int32_t entry;          /* entry pt.                            */
+        int32_t text_start;     /* base of text used for this file      */
+        int32_t data_start;     /* base of data used for this file      */
+        int32_t bss_start;      /* base of bss used for this file       */
+        int32_t gprmask;        /* general purpose register mask        */
+        int32_t cprmask[4];     /* co-processor register masks          */
+        int32_t gp_value;       /* the gp value used for this object    */
+} AOUTHDR;
+#define AOUTHSZ sizeof(AOUTHDR)
+
+#define OMAGIC          0407
+#define NMAGIC          0410
+#define ZMAGIC          0413
+#define SMAGIC          0411
+#define LIBMAGIC        0443
+
+#define N_TXTOFF(f, a) \
+ ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \
+  ((a).vstamp < 23 ? \
+   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \
+   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) )
+#define N_DATOFF(f, a) \
+  N_TXTOFF(f, a) + (a).tsize;