FreeChainXenon/binutils-gdb
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Mark pieces of values as unavailable if the corresponding memory

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is unavailable.

	gdb/
	* valops.c: Include tracepoint.h.
	(value_fetch_lazy): Use read_value_memory.
	(read_value_memory): New.
	* value.h (read_value_memory): Declare.
	* dwarf2loc.c (read_pieced_value): Use read_value_memory.
	* exec.c (section_table_available_memory): New function.
	* exec.h (section_table_available_memory): Declare.
This commit is contained in:
Pedro Alves 2011-02-14 11:21:25 +00:00
parent 2a7498d819
commit e6ca34fcfb
6 changed files with 163 additions and 11 deletions
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37
gdb/exec.c
View file

@ -572,6 +572,43 @@ map_vmap (bfd *abfd, bfd *arch)
}
VEC(mem_range_s) *
section_table_available_memory (VEC(mem_range_s) *memory,
CORE_ADDR memaddr, LONGEST len,
struct target_section *sections,
struct target_section *sections_end)
{
struct target_section *p;
ULONGEST memend = memaddr + len;
for (p = sections; p < sections_end; p++)
{
if ((bfd_get_section_flags (p->bfd, p->the_bfd_section)
& SEC_READONLY) == 0)
continue;
/* Copy the meta-data, adjusted. */
if (mem_ranges_overlap (p->addr, p->endaddr - p->addr, memaddr, len))
{
ULONGEST lo1, hi1, lo2, hi2;
struct mem_range *r;
lo1 = memaddr;
hi1 = memaddr + len;
lo2 = p->addr;
hi2 = p->endaddr;
r = VEC_safe_push (mem_range_s, memory, NULL);
r->start = max (lo1, lo2);
r->length = min (hi1, hi2) - r->start;
}
}
return memory;
}
int
section_table_xfer_memory_partial (gdb_byte *readbuf, const gdb_byte *writebuf,
ULONGEST offset, LONGEST len,