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Adjust read_value_memory to use to_xfer_partial

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As the new to_xfer_partial implementations are done in ctf and tfile
targets, read_value_memory can be simplified a lot.  Call
target_xfer_partial in a loop, check return value, and set bytes
unavailable when necessary.

gdb:

2014-02-23  Yao Qi  <yao@codesourcery.com>

	* valops.c (read_value_memory): Rewrite it.  Call
	target_xfer_partial in a loop.
	* exec.h (section_table_available_memory): Remove declaration.
	Move comments to ...
	* exec.c (section_table_available_memory): ... here.  Make it static.
This commit is contained in:
Yao Qi
2013-11-05 09:50:21 +08:00
parent 1ee79381dd
commit 5a2eb0ef7f
4 changed files with 36 additions and 83 deletions
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11
gdb/exec.h
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@@ -55,17 +55,6 @@ extern enum target_xfer_status
exec_read_partial_read_only (gdb_byte *readbuf, ULONGEST offset,
ULONGEST len, ULONGEST *xfered_len);
/* Appends all read-only memory ranges found in the target section
table defined by SECTIONS and SECTIONS_END, starting at (and
intersected with) MEMADDR for LEN bytes. Returns the augmented
VEC. */
extern VEC(mem_range_s) *
section_table_available_memory (VEC(mem_range_s) *ranges,
CORE_ADDR memaddr, ULONGEST len,
struct target_section *sections,
struct target_section *sections_end);
/* Read or write from mappable sections of BFD executable files.
Request to transfer up to LEN 8-bit bytes of the target sections