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[/] [or1k/] [tags/] [nog_patch_48/] [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 7769d 11h /or1k/tags/nog_patch_48/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 7802d 14h /or1k/tags/nog_patch_48/gdb-5.0/
1123 Renumber/rename SPRs to match latest architecture doc sfurman 7803d 20h /or1k/tags/nog_patch_48/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 7825d 18h /or1k/tags/nog_patch_48/gdb-5.0/
879 Initial version of OpenRISC Custom Unit Compiler added markom 8048d 01h /or1k/tags/nog_patch_48/gdb-5.0/
874 Command for displaying trace buffer added. simons 8058d 01h /or1k/tags/nog_patch_48/gdb-5.0/
866 after make headers markom 8083d 07h /or1k/tags/nog_patch_48/gdb-5.0/
865 true flase bug fixed markom 8085d 01h /or1k/tags/nog_patch_48/gdb-5.0/
850 Missig header file. simons 8100d 03h /or1k/tags/nog_patch_48/gdb-5.0/
839 elf target bug fixed markom 8117d 08h /or1k/tags/nog_patch_48/gdb-5.0/
813 elf support added markom 8132d 04h /or1k/tags/nog_patch_48/gdb-5.0/
720 single floating point support added markom 8168d 08h /or1k/tags/nog_patch_48/gdb-5.0/
706 insn_decode execution part replaced by generated function decode_execute; use --enable-simple to use runtime decoding markom 8174d 03h /or1k/tags/nog_patch_48/gdb-5.0/
703 small optimizations to dissasemble markom 8175d 08h /or1k/tags/nog_patch_48/gdb-5.0/
680 num_opcodes better because of linking. ivang 8185d 00h /or1k/tags/nog_patch_48/gdb-5.0/
679 extern CONST int num_opcodes -> extern CONST unsigned int or32_num_opcodes. ivang 8185d 02h /or1k/tags/nog_patch_48/gdb-5.0/
676 update of shared files markom 8187d 04h /or1k/tags/nog_patch_48/gdb-5.0/
662 GNU binutils merge. ivang 8191d 06h /or1k/tags/nog_patch_48/gdb-5.0/
615 cmov and extxx instructions; add, addi, and, andi now set flag markom 8208d 02h /or1k/tags/nog_patch_48/gdb-5.0/
613 init: trap exception occurs always; initialization of sr not needed anymore markom 8209d 07h /or1k/tags/nog_patch_48/gdb-5.0/
607 single step steps just one instruction ^c bug fixed markom 8211d 05h /or1k/tags/nog_patch_48/gdb-5.0/
603 fixed bfd markom 8212d 08h /or1k/tags/nog_patch_48/gdb-5.0/
594 removed temporary printf, which stayed in by accident markom 8215d 05h /or1k/tags/nog_patch_48/gdb-5.0/
593 ctrl-c handling fixed markom 8215d 05h /or1k/tags/nog_patch_48/gdb-5.0/
580 strsave changed to xstrdup markom 8216d 09h /or1k/tags/nog_patch_48/gdb-5.0/
577 info spr fixed markom 8218d 03h /or1k/tags/nog_patch_48/gdb-5.0/
405 Stepping trough l.jal and l.jalr fixed. simons 8260d 08h /or1k/tags/nog_patch_48/gdb-5.0/
404 is_delayed() is used outside this file. simons 8260d 08h /or1k/tags/nog_patch_48/gdb-5.0/
403 Prompt changed because ddd requires (gdb). simons 8260d 08h /or1k/tags/nog_patch_48/gdb-5.0/
397 removed or16 architecture markom 8266d 05h /or1k/tags/nog_patch_48/gdb-5.0/

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