173 lines
5.0 KiB
C
173 lines
5.0 KiB
C
#ifndef _LINUX_ELFCORE_H
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#define _LINUX_ELFCORE_H
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#include <linux/types.h>
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#include <linux/signal.h>
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#include <linux/time.h>
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#ifdef __KERNEL__
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#include <linux/user.h>
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#include <linux/bug.h>
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#endif
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#include <linux/ptrace.h>
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#include <linux/elf.h>
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#include <linux/fs.h>
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struct elf_siginfo
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{
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int si_signo; /* signal number */
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int si_code; /* extra code */
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int si_errno; /* errno */
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};
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#ifdef __KERNEL__
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#include <asm/elf.h>
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#endif
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#ifndef __KERNEL__
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typedef elf_greg_t greg_t;
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typedef elf_gregset_t gregset_t;
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typedef elf_fpregset_t fpregset_t;
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typedef elf_fpxregset_t fpxregset_t;
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#define NGREG ELF_NGREG
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#endif
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/*
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* Definitions to generate Intel SVR4-like core files.
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* These mostly have the same names as the SVR4 types with "elf_"
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* tacked on the front to prevent clashes with linux definitions,
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* and the typedef forms have been avoided. This is mostly like
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* the SVR4 structure, but more Linuxy, with things that Linux does
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* not support and which gdb doesn't really use excluded.
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* Fields present but not used are marked with "XXX".
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*/
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struct elf_prstatus
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{
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#if 0
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long pr_flags; /* XXX Process flags */
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short pr_why; /* XXX Reason for process halt */
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short pr_what; /* XXX More detailed reason */
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#endif
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struct elf_siginfo pr_info; /* Info associated with signal */
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short pr_cursig; /* Current signal */
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unsigned long pr_sigpend; /* Set of pending signals */
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unsigned long pr_sighold; /* Set of held signals */
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#if 0
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struct sigaltstack pr_altstack; /* Alternate stack info */
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struct sigaction pr_action; /* Signal action for current sig */
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#endif
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pid_t pr_pid;
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pid_t pr_ppid;
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pid_t pr_pgrp;
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pid_t pr_sid;
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struct timeval pr_utime; /* User time */
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struct timeval pr_stime; /* System time */
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struct timeval pr_cutime; /* Cumulative user time */
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struct timeval pr_cstime; /* Cumulative system time */
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#if 0
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long pr_instr; /* Current instruction */
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#endif
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elf_gregset_t pr_reg; /* GP registers */
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#ifdef CONFIG_BINFMT_ELF_FDPIC
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/* When using FDPIC, the loadmap addresses need to be communicated
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* to GDB in order for GDB to do the necessary relocations. The
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* fields (below) used to communicate this information are placed
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* immediately after ``pr_reg'', so that the loadmap addresses may
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* be viewed as part of the register set if so desired.
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*/
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unsigned long pr_exec_fdpic_loadmap;
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unsigned long pr_interp_fdpic_loadmap;
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#endif
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int pr_fpvalid; /* True if math co-processor being used. */
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};
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#define ELF_PRARGSZ (80) /* Number of chars for args */
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struct elf_prpsinfo
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{
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char pr_state; /* numeric process state */
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char pr_sname; /* char for pr_state */
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char pr_zomb; /* zombie */
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char pr_nice; /* nice val */
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unsigned long pr_flag; /* flags */
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__kernel_uid_t pr_uid;
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__kernel_gid_t pr_gid;
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pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
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/* Lots missing */
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char pr_fname[16]; /* filename of executable */
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char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
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};
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#ifndef __KERNEL__
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typedef struct elf_prstatus prstatus_t;
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typedef struct elf_prpsinfo prpsinfo_t;
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#define PRARGSZ ELF_PRARGSZ
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#endif
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#ifdef __KERNEL__
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static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
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{
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#ifdef ELF_CORE_COPY_REGS
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ELF_CORE_COPY_REGS((*elfregs), regs)
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#else
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BUG_ON(sizeof(*elfregs) != sizeof(*regs));
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*(struct pt_regs *)elfregs = *regs;
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#endif
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}
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static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
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{
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#ifdef ELF_CORE_COPY_KERNEL_REGS
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ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs);
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#else
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elf_core_copy_regs(elfregs, regs);
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#endif
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}
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static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs)
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{
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#if defined (ELF_CORE_COPY_TASK_REGS)
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return ELF_CORE_COPY_TASK_REGS(t, elfregs);
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#elif defined (task_pt_regs)
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elf_core_copy_regs(elfregs, task_pt_regs(t));
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#endif
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return 0;
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}
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extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
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static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu)
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{
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#ifdef ELF_CORE_COPY_FPREGS
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return ELF_CORE_COPY_FPREGS(t, fpu);
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#else
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return dump_fpu(regs, fpu);
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#endif
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}
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#ifdef ELF_CORE_COPY_XFPREGS
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static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
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{
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return ELF_CORE_COPY_XFPREGS(t, xfpu);
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}
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#endif
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/*
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* These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
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* extra segments containing the gate DSO contents. Dumping its
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* contents makes post-mortem fully interpretable later without matching up
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* the same kernel and hardware config to see what PC values meant.
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* Dumping its extra ELF program headers includes all the other information
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* a debugger needs to easily find how the gate DSO was being used.
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*/
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extern Elf_Half elf_core_extra_phdrs(void);
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extern int
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elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
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unsigned long limit);
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extern int
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elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit);
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extern size_t elf_core_extra_data_size(void);
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#endif /* __KERNEL__ */
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#endif /* _LINUX_ELFCORE_H */
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