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linux-user: Fix coding style nits in qemu.h 

We're about to move a lot of the code in qemu.h out into different
header files; fix the coding style nits first so that checkpatch
is happy with the pure code-movement patches. This is mostly
block-comment style but also a few whitespace issues.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210908154405.15417-2-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
master
Peter Maydell 2021-09-08 16:43:57 +01:00 committed by Laurent Vivier
parent 7d79344d4f
commit 400b7f6d14
1 changed files with 30 additions and 17 deletions
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47
linux-user/qemu.h
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@ -15,12 +15,14 @@
#include "target_syscall.h"
#include "exec/gdbstub.h"
/* This is the size of the host kernel's sigset_t, needed where we make
/*
* This is the size of the host kernel's sigset_t, needed where we make
* direct system calls that take a sigset_t pointer and a size.
*/
#define SIGSET_T_SIZE (_NSIG / 8)
/* This struct is used to hold certain information about the image.
/*
* This struct is used to hold certain information about the image.
* Basically, it replicates in user space what would be certain
* task_struct fields in the kernel
*/
@ -48,13 +50,13 @@ struct image_info {
abi_ulong env_strings;
abi_ulong file_string;
uint32_t elf_flags;
int personality;
int personality;
abi_ulong alignment;
/* The fields below are used in FDPIC mode. */
abi_ulong loadmap_addr;
uint16_t nsegs;
void *loadsegs;
void *loadsegs;
abi_ulong pt_dynamic_addr;
abi_ulong interpreter_loadmap_addr;
abi_ulong interpreter_pt_dynamic_addr;
@ -98,8 +100,10 @@ struct emulated_sigtable {
target_siginfo_t info;
};
/* NOTE: we force a big alignment so that the stack stored after is
aligned too */
/*
* NOTE: we force a big alignment so that the stack stored after is
* aligned too
*/
typedef struct TaskState {
pid_t ts_tid; /* tid (or pid) of this task */
#ifdef TARGET_ARM
@ -134,20 +138,23 @@ typedef struct TaskState {
struct emulated_sigtable sync_signal;
struct emulated_sigtable sigtab[TARGET_NSIG];
/* This thread's signal mask, as requested by the guest program.
/*
* This thread's signal mask, as requested by the guest program.
* The actual signal mask of this thread may differ:
* + we don't let SIGSEGV and SIGBUS be blocked while running guest code
* + sometimes we block all signals to avoid races
*/
sigset_t signal_mask;
/* The signal mask imposed by a guest sigsuspend syscall, if we are
/*
* The signal mask imposed by a guest sigsuspend syscall, if we are
* currently in the middle of such a syscall
*/
sigset_t sigsuspend_mask;
/* Nonzero if we're leaving a sigsuspend and sigsuspend_mask is valid. */
int in_sigsuspend;
/* Nonzero if process_pending_signals() needs to do something (either
/*
* Nonzero if process_pending_signals() needs to do something (either
* handle a pending signal or unblock signals).
* This flag is written from a signal handler so should be accessed via
* the qatomic_read() and qatomic_set() functions. (It is not accessed
@ -168,8 +175,10 @@ extern unsigned long mmap_min_addr;
/* ??? See if we can avoid exposing so much of the loader internals. */
/* Read a good amount of data initially, to hopefully get all the
program headers loaded. */
/*
* Read a good amount of data initially, to hopefully get all the
* program headers loaded.
*/
#define BPRM_BUF_SIZE 1024
/*
@ -184,7 +193,7 @@ struct linux_binprm {
int argc, envc;
char **argv;
char **envp;
char * filename; /* Name of binary */
char *filename; /* Name of binary */
int (*core_dump)(int, const CPUArchState *); /* coredump routine */
};
@ -212,10 +221,11 @@ void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
abi_ulong stringp, int push_ptr);
int loader_exec(int fdexec, const char *filename, char **argv, char **envp,
struct target_pt_regs * regs, struct image_info *infop,
struct target_pt_regs *regs, struct image_info *infop,
struct linux_binprm *);
/* Returns true if the image uses the FDPIC ABI. If this is the case,
/*
* Returns true if the image uses the FDPIC ABI. If this is the case,
* we have to provide some information (loadmap, pt_dynamic_info) such
* that the program can be relocated adequately. This is also useful
* when handling signals.
@ -283,7 +293,8 @@ void probe_guest_base(const char *image_name,
* with any of the host errno values.)
*/
/* A guide to using safe_syscall() to handle interactions between guest
/*
* A guide to using safe_syscall() to handle interactions between guest
* syscalls and guest signals:
*
* Guest syscalls come in two flavours:
@ -392,7 +403,8 @@ extern long safe_syscall_base(int *pending, long number, ...);
#else
/* Fallback for architectures which don't yet provide a safe-syscall assembly
/*
* Fallback for architectures which don't yet provide a safe-syscall assembly
* fragment; note that this is racy!
* This should go away when all host architectures have been updated.
*/
@ -736,7 +748,8 @@ static inline int regpairs_aligned(void *cpu_env, int num) { return 0; }
*/
void preexit_cleanup(CPUArchState *env, int code);
/* Include target-specific struct and function definitions;
/*
* Include target-specific struct and function definitions;
* they may need access to the target-independent structures
* above, so include them last.
*/