diff options
Diffstat (limited to 'gdb/x86-64-linux-nat.c')
-rw-r--r-- | gdb/x86-64-linux-nat.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gdb/x86-64-linux-nat.c b/gdb/x86-64-linux-nat.c index 268aad583bb..85912e81380 100644 --- a/gdb/x86-64-linux-nat.c +++ b/gdb/x86-64-linux-nat.c @@ -147,8 +147,7 @@ fill_gregset (elf_gregset_t * gregsetp, int regno) for (i = 0; i < X86_64_NUM_GREGS; i++) if ((regno == -1 || regno == i)) - *(regp + x86_64_regmap[i]) = - *(elf_greg_t *) & registers[REGISTER_BYTE (i)]; + read_register_gen (i, regp + x86_64_regmap[i]); } /* Fetch all general-purpose registers from process/thread TID and @@ -417,6 +416,9 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1) / sizeof (PTRACE_XFER_TYPE); /* Allocate buffer of that many longwords. */ + /* FIXME (alloca): This code, cloned from infptrace.c, is unsafe + because it uses alloca to allocate a buffer of arbitrary size. + For very large xfers, this could crash GDB's stack. */ register PTRACE_XFER_TYPE *buffer = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE)); |