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--- /dev/null
+++ b/libc/sysdeps/linux/cris/sys/user.h
@@ -0,0 +1,81 @@
+#ifndef __ASM_CRIS_USER_H
+#define __ASM_CRIS_USER_H
+
+/* User-mode register used for core dumps. */
+
+struct user_fpregs {
+};
+
+struct user_regs_struct {
+ unsigned long r0; /* General registers. */
+ unsigned long r1;
+ unsigned long r2;
+ unsigned long r3;
+ unsigned long r4;
+ unsigned long r5;
+ unsigned long r6;
+ unsigned long r7;
+ unsigned long r8;
+ unsigned long r9;
+ unsigned long r10;
+ unsigned long r11;
+ unsigned long r12;
+ unsigned long r13;
+ unsigned long sp; /* R14, Stack pointer. */
+ unsigned long acr; /* R15, Address calculation register. */
+ unsigned long bz; /* P0, Constant zero (8-bits). */
+ unsigned long vr; /* P1, Version register (8-bits). */
+ unsigned long pid; /* P2, Process ID (8-bits). */
+ unsigned long srs; /* P3, Support register select (8-bits). */
+ unsigned long wz; /* P4, Constant zero (16-bits). */
+ unsigned long exs; /* P5, Exception status. */
+ unsigned long eda; /* P6, Exception data address. */
+ unsigned long mof; /* P7, Multiply overflow regiter. */
+ unsigned long dz; /* P8, Constant zero (32-bits). */
+ unsigned long ebp; /* P9, Exception base pointer. */
+ unsigned long erp; /* P10, Exception return pointer. */
+ unsigned long srp; /* P11, Subroutine return pointer. */
+ unsigned long nrp; /* P12, NMI return pointer. */
+ unsigned long ccs; /* P13, Condition code stack. */
+ unsigned long usp; /* P14, User mode stack pointer. */
+ unsigned long spc; /* P15, Single step PC. */
+};
+
+/*
+ * Core file format: The core file is written in such a way that gdb
+ * can understand it and provide useful information to the user (under
+ * linux we use the `trad-core' bfd). The file contents are as follows:
+ *
+ * upage: 1 page consisting of a user struct that tells gdb
+ * what is present in the file. Directly after this is a
+ * copy of the task_struct, which is currently not used by gdb,
+ * but it may come in handy at some point. All of the registers
+ * are stored as part of the upage. The upage should always be
+ * only one page long.
+ * data: The data segment follows next. We use current->end_text to
+ * current->brk to pick up all of the user variables, plus any memory
+ * that may have been sbrk'ed. No attempt is made to determine if a
+ * page is demand-zero or if a page is totally unused, we just cover
+ * the entire range. All of the addresses are rounded in such a way
+ * that an integral number of pages is written.
+ * stack: We need the stack information in order to get a meaningful
+ * backtrace. We need to write the data from usp to
+ * current->start_stack, so we round each of these in order to be able
+ * to write an integer number of pages.
+ */
+
+struct user {
+ struct user_regs_struct regs; /* entire machine state */
+ size_t u_tsize; /* text size (pages) */
+ size_t u_dsize; /* data size (pages) */
+ size_t u_ssize; /* stack size (pages) */
+ unsigned long start_code; /* text starting address */
+ unsigned long start_data; /* data starting address */
+ unsigned long start_stack; /* stack starting address */
+ long int signal; /* signal causing core dump */
+ unsigned long u_ar0; /* help gdb find registers */
+ unsigned long magic; /* identifies a core file */
+ char u_comm[32]; /* user command name */
+};
+
+#endif /* __ASM_CRIS_USER_H */
|
