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emacs/exec/mipsfpu.h
Po Lu 368f6f3942 Add helper binary `exec1'
* .gitignore: New files.
* Makefile.in (mostlyclean_dirs): Add libexec, if its Makefile
exists.
* autogen.sh (do_git): Autoreconf in exec as well.
* configure.ac: Configure libexec on Android.
* exec/Makefile.in:
* exec/README:
* exec/config-mips.m4.in:
* exec/config.guess:
* exec/config.h.in:
* exec/config.sub:
* exec/configure:
* exec/configure.ac:
* exec/deps.mk:
* exec/exec.c (MIN, struct exec_open_command)
(struct exec_map_command, struct exec_jump_command)
(write_open_command, write_load_command, process_interpreter_1)
(process_interpreter, process_program_header, insert_args)
(exec_0):
* exec/exec.h (_EXEC_H_, struct elf_header_32)
(struct program_header_32, struct dt_entry_32)
(struct elf_header_64, struct program_header_64)
(struct dt_entry_64, struct exec_tracee):
* exec/exec1.c (main):
* exec/install-sh (scriptversion):
* exec/loader-aarch64.s (_start):
* exec/loader-armeabi.s (_start):
* exec/loader-mips64el.s (__start):
* exec/loader-mipsel.s (__start):
* exec/loader-x86.s (_start):
* exec/loader-x86_64.s (_start):
* exec/mipsel-user.h (_MIPSEL_USER_H_):
* exec/mipsfpu.c (MIPS_ABI_FP_ANY, fpu_reqs, valid_abi_p)
(fp_mode_for_abi, cpu_supports_fr0_p, determine_fpu_mode):
* exec/mipsfpu.h (_MIPSFPU_H_, FP_FR0):
* exec/test.c (print_usage, main):
* exec/trace.c (MAX_TRACEES, aarch64_set_regs, read_memory)
(user_alloca, user_copy, remove_tracee, handle_clone)
(syscall_trap_p, handle_exec, process_system_call, tracing_execve)
(after_fork, find_tracee, exec_waitpid, exec_init): New files.
* java/Makefile.in (CROSS_EXEC_BINS): Add exec1 and
loader.
($(CROSS_EXEC_BINS) &): New target.
2023-04-30 21:37:19 +08:00

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/* Program execution for Emacs.
Copyright (C) 2023 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _MIPSFPU_H_
#define _MIPSFPU_H_
#include "exec.h"
struct mips_elf_abi_flags
{
/* Version of flags structure. */
uint16_t version;
/* The level of the ISA: 1-5, 32, 64. */
uint8_t isa_level;
/* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
uint8_t isa_rev;
/* The size of general purpose registers. */
uint8_t gpr_size;
/* The size of co-processor 1 registers. */
uint8_t cpr1_size;
/* The size of co-processor 2 registers. */
uint8_t cpr2_size;
/* The floating-point ABI. */
uint8_t fp_abi;
/* Mask of processor-specific extensions. */
uint32_t isa_ext;
/* Mask of ASEs used. */
uint32_t ases;
/* Mask of general flags. */
uint32_t flags1;
/* Mask of general flags. */
uint32_t flags2;
};
/* Floating point modes. */
#define FP_FR0 0
#define FP_FR1 1
#define FP_FRE 3
/* Defined in mipsfpu.c. */
extern bool cpu_supports_fr0_p (void);
extern int determine_fpu_mode (elf_header *, elf_header *,
int *, struct mips_elf_abi_flags *,
struct mips_elf_abi_flags *);
#endif /* _MIPSFPU_H_ */