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[/] [or1k/] [tags/] [nog_patch_70/] [gdb-5.0/] - Rev 1142

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1142 Speed up gdb when running with serial targets:

When generating backtraces, the prologue of each function is scanned
at least three times by architecture-independent code, e.g. to
determine offsets of saved registers, identify frameless functions,
etc. This new code adds straightforward caching of the information
gleaned by or1k_scan_prologue() on a per-frame basis rather than
storing it in global static variables. (This benefits both JTAG and
serial gdb targets, though the JTAG target runs fast enough that it is
not particularly needed.)

When the register set is dumped by the serial target, e.g. at any
breakpoint or interrupt, the 32 vector/FP registers were included in
the dump (each 8 bytes long), though they aren't implemented. The new
code tells gdb that unimplemented registers have zero length in the
dump.
sfurman 7760d 08h /or1k/tags/nog_patch_70/gdb-5.0/
1124 Initialize or1k_implementation with reasonable defaults for the number
of implementation registers. This doesn't affect the jtag or sim
targets at all because those values are always overwritten when
or1k_implementation is initialized. However, it is necessary when
connecting to remote gdb stubs through a serial port or socket, since
or1k_implementation is not yet initialized for those targets.
sfurman 7793d 10h /or1k/tags/nog_patch_70/gdb-5.0/
1123 Renumber/rename SPRs to match latest architecture doc sfurman 7794d 17h /or1k/tags/nog_patch_70/gdb-5.0/
1115 Fix stack-walking code in or1k_frame_chain() and or1k_skip_prologue()
to expect the function prologue that or32 gcc currently emits, rather
than a previous incarnation of the or1k ABI.
sfurman 7816d 14h /or1k/tags/nog_patch_70/gdb-5.0/
879 Initial version of OpenRISC Custom Unit Compiler added markom 8038d 21h /or1k/tags/nog_patch_70/gdb-5.0/
874 Command for displaying trace buffer added. simons 8048d 22h /or1k/tags/nog_patch_70/gdb-5.0/
866 after make headers markom 8074d 03h /or1k/tags/nog_patch_70/gdb-5.0/
865 true flase bug fixed markom 8075d 22h /or1k/tags/nog_patch_70/gdb-5.0/
850 Missig header file. simons 8091d 00h /or1k/tags/nog_patch_70/gdb-5.0/
839 elf target bug fixed markom 8108d 05h /or1k/tags/nog_patch_70/gdb-5.0/
813 elf support added markom 8123d 00h /or1k/tags/nog_patch_70/gdb-5.0/
720 single floating point support added markom 8159d 04h /or1k/tags/nog_patch_70/gdb-5.0/
706 insn_decode execution part replaced by generated function decode_execute; use --enable-simple to use runtime decoding markom 8165d 00h /or1k/tags/nog_patch_70/gdb-5.0/
703 small optimizations to dissasemble markom 8166d 04h /or1k/tags/nog_patch_70/gdb-5.0/
680 num_opcodes better because of linking. ivang 8175d 21h /or1k/tags/nog_patch_70/gdb-5.0/
679 extern CONST int num_opcodes -> extern CONST unsigned int or32_num_opcodes. ivang 8175d 23h /or1k/tags/nog_patch_70/gdb-5.0/
676 update of shared files markom 8178d 01h /or1k/tags/nog_patch_70/gdb-5.0/
662 GNU binutils merge. ivang 8182d 03h /or1k/tags/nog_patch_70/gdb-5.0/
615 cmov and extxx instructions; add, addi, and, andi now set flag markom 8198d 23h /or1k/tags/nog_patch_70/gdb-5.0/
613 init: trap exception occurs always; initialization of sr not needed anymore markom 8200d 03h /or1k/tags/nog_patch_70/gdb-5.0/
607 single step steps just one instruction ^c bug fixed markom 8202d 02h /or1k/tags/nog_patch_70/gdb-5.0/
603 fixed bfd markom 8203d 04h /or1k/tags/nog_patch_70/gdb-5.0/
594 removed temporary printf, which stayed in by accident markom 8206d 01h /or1k/tags/nog_patch_70/gdb-5.0/
593 ctrl-c handling fixed markom 8206d 01h /or1k/tags/nog_patch_70/gdb-5.0/
580 strsave changed to xstrdup markom 8207d 06h /or1k/tags/nog_patch_70/gdb-5.0/
577 info spr fixed markom 8208d 23h /or1k/tags/nog_patch_70/gdb-5.0/
405 Stepping trough l.jal and l.jalr fixed. simons 8251d 04h /or1k/tags/nog_patch_70/gdb-5.0/
404 is_delayed() is used outside this file. simons 8251d 04h /or1k/tags/nog_patch_70/gdb-5.0/
403 Prompt changed because ddd requires (gdb). simons 8251d 04h /or1k/tags/nog_patch_70/gdb-5.0/
397 removed or16 architecture markom 8257d 02h /or1k/tags/nog_patch_70/gdb-5.0/

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