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gdbstub: Adjust gdb_do_syscall to only use uint32_t and uint64_t

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Pass %x as uint32_t and %lx as uint64_t; pass the address
of %s as uint64_t and the length as uint32_t.

Add casts in semihosting/syscalls.c from target_ulong to
uint64_t; add casts from int to uint32_t for clarity.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-28-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-03-02 18:58:03 -08:00 committed by Alex Bennée
parent 2f70f2d791
commit 0820a075af
2 changed files with 26 additions and 20 deletions
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12
gdbstub/syscalls.c
View File

@ -110,14 +110,14 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...)
*(p++) = 'F';
while (*fmt) {
if (*fmt == '%') {
target_ulong addr;
uint64_t i64;
uint32_t i32;
fmt++;
switch (*fmt++) {
case 'x':
addr = va_arg(va, target_ulong);
p += snprintf(p, p_end - p, TARGET_FMT_lx, addr);
i32 = va_arg(va, uint32_t);
p += snprintf(p, p_end - p, "%" PRIx32, i32);
break;
case 'l':
if (*(fmt++) != 'x') {
@ -127,9 +127,9 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...)
p += snprintf(p, p_end - p, "%" PRIx64, i64);
break;
case 's':
addr = va_arg(va, target_ulong);
p += snprintf(p, p_end - p, TARGET_FMT_lx "/%x",
addr, va_arg(va, int));
i64 = va_arg(va, uint64_t);
i32 = va_arg(va, uint32_t);
p += snprintf(p, p_end - p, "%" PRIx64 "/%x" PRIx32, i64, i32);
break;
default:
bad_format:

34
semihosting/syscalls.c
View File

@ -139,46 +139,48 @@ static void gdb_open(CPUState *cs, gdb_syscall_complete_cb complete,
gdb_open_complete = complete;
gdb_do_syscall(gdb_open_cb, "open,%s,%x,%x",
fname, len, (target_ulong)gdb_flags, (target_ulong)mode);
(uint64_t)fname, (uint32_t)len,
(uint32_t)gdb_flags, (uint32_t)mode);
}
static void gdb_close(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf)
{
gdb_do_syscall(complete, "close,%x", (target_ulong)gf->hostfd);
gdb_do_syscall(complete, "close,%x", (uint32_t)gf->hostfd);
}
static void gdb_read(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf, target_ulong buf, target_ulong len)
{
gdb_do_syscall(complete, "read,%x,%x,%x",
(target_ulong)gf->hostfd, buf, len);
gdb_do_syscall(complete, "read,%x,%lx,%lx",
(uint32_t)gf->hostfd, (uint64_t)buf, (uint64_t)len);
}
static void gdb_write(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf, target_ulong buf, target_ulong len)
{
gdb_do_syscall(complete, "write,%x,%x,%x",
(target_ulong)gf->hostfd, buf, len);
gdb_do_syscall(complete, "write,%x,%lx,%lx",
(uint32_t)gf->hostfd, (uint64_t)buf, (uint64_t)len);
}
static void gdb_lseek(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf, int64_t off, int gdb_whence)
{
gdb_do_syscall(complete, "lseek,%x,%lx,%x",
(target_ulong)gf->hostfd, off, (target_ulong)gdb_whence);
(uint32_t)gf->hostfd, off, (uint32_t)gdb_whence);
}
static void gdb_isatty(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf)
{
gdb_do_syscall(complete, "isatty,%x", (target_ulong)gf->hostfd);
gdb_do_syscall(complete, "isatty,%x", (uint32_t)gf->hostfd);
}
static void gdb_fstat(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf, target_ulong addr)
{
gdb_do_syscall(complete, "fstat,%x,%x", (target_ulong)gf->hostfd, addr);
gdb_do_syscall(complete, "fstat,%x,%lx",
(uint32_t)gf->hostfd, (uint64_t)addr);
}
static void gdb_stat(CPUState *cs, gdb_syscall_complete_cb complete,
@ -191,7 +193,8 @@ static void gdb_stat(CPUState *cs, gdb_syscall_complete_cb complete,
return;
}
gdb_do_syscall(complete, "stat,%s,%x", fname, len, addr);
gdb_do_syscall(complete, "stat,%s,%lx",
(uint64_t)fname, (uint32_t)len, (uint64_t)addr);
}
static void gdb_remove(CPUState *cs, gdb_syscall_complete_cb complete,
@ -203,7 +206,7 @@ static void gdb_remove(CPUState *cs, gdb_syscall_complete_cb complete,
return;
}
gdb_do_syscall(complete, "unlink,%s", fname, len);
gdb_do_syscall(complete, "unlink,%s", (uint64_t)fname, (uint32_t)len);
}
static void gdb_rename(CPUState *cs, gdb_syscall_complete_cb complete,
@ -223,7 +226,9 @@ static void gdb_rename(CPUState *cs, gdb_syscall_complete_cb complete,
return;
}
gdb_do_syscall(complete, "rename,%s,%s", oname, olen, nname, nlen);
gdb_do_syscall(complete, "rename,%s,%s",
(uint64_t)oname, (uint32_t)olen,
(uint64_t)nname, (uint32_t)nlen);
}
static void gdb_system(CPUState *cs, gdb_syscall_complete_cb complete,
@ -235,13 +240,14 @@ static void gdb_system(CPUState *cs, gdb_syscall_complete_cb complete,
return;
}
gdb_do_syscall(complete, "system,%s", cmd, len);
gdb_do_syscall(complete, "system,%s", (uint64_t)cmd, (uint32_t)len);
}
static void gdb_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong tv_addr, target_ulong tz_addr)
{
gdb_do_syscall(complete, "gettimeofday,%x,%x", tv_addr, tz_addr);
gdb_do_syscall(complete, "gettimeofday,%lx,%lx",
(uint64_t)tv_addr, (uint64_t)tz_addr);
}
/*