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This little patch adds support to the eBPF port of GAS for a few data
directives. The names for the directives have been chosen to be
coherent with the suffixes used in eBPF instructions: b, h, w and dw
for 8, 16, 32 and 64-bit values respectively.
Documentation and tests included.
Tested in a x86_64 host.
gas/ChangeLog:
2019-07-17 Jose E. Marchesi <jose.marchesi@oracle.com>
* config/tc-bpf.c (md_pseudo_table): .half, .word and .dword.
* testsuite/gas/bpf/data.s: New file.
* testsuite/gas/bpf/data.d: Likewise.
* testsuite/gas/bpf/data-be.d: Likewise.
* testsuite/gas/bpf/bpf.exp: Run data and data-be.
* doc/c-bpf.texi (BPF Directives): New section.
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This patch fixes the eBPF CPU description in order to reflect the
right explicit arguments passed to the ldabs{b,h,w,dw} instructions,
updates the corresponding GAS tests, and updates the BPF section of
the GAS manual.
cpu/ChangeLog:
2019-07-15 Jose E. Marchesi <jose.marchesi@oracle.com>
* bpf.cpu (dlabs): New pmacro.
(dlind): Likewise.
opcodes/ChangeLog:
2019-07-15 Jose E. Marchesi <jose.marchesi@oracle.com>
* bpf-desc.c: Regenerate.
* bpf-opc.c: Likewise.
* bpf-opc.h: Likewise.
gas/ChangeLog:
2019-07-15 Jose E. Marchesi <jose.marchesi@oracle.com>
* testsuite/gas/bpf/mem.s: ldabs instructions do not take a `src'
register as an argument.
* testsuite/gas/bpf/mem.d: Updated accordingly.
* testsuite/gas/bpf/mem-be.d: Likewise.
* doc/c-bpf.texi (BPF Opcodes): Update to reflect the correct
explicit arguments to ldabs and ldind instructions.
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This patch adds a port for the Linux kernel eBPF to the GNU assembler.
A testsuite and documentation updates are included.
gas/ChangeLog:
2019-05-23 Jose E. Marchesi <jose.marchesi@oracle.com>
* configure.ac: Handle bpf-*-* targets.
* configure.tgt (generic_target): Likewise.
* configure: Regenerate.
* Makefile.am (TARGET_CPU_CFILES): Add tc-bpf.c.
(TARGET_CPU_HFILES): Add tc-bpf.h.
* Makefile.in: Regenerated.
* config/tc-bpf.c: New file.
* config/tc-bpf.h: Likewise.
* doc/Makefile.am (CPU_DOCS): Add c-bpf.texi.
* doc/Makefile.in: Regenerated.
* doc/all.texi: set BPF.
* doc/as.texi: Add eBPF contents.
* doc/c-bpf.texi: New file.
* testsuite/gas/bpf/alu.d: New file.
* testsuite/gas/bpf/mem-be.d: Likewise.
* testsuite/gas/bpf/mem.s: Likewise.
* testsuite/gas/bpf/mem.d: Likewise.
* testsuite/gas/bpf/lddw-be.d: Likewise.
* testsuite/gas/bpf/lddw.s: Likewise.
* testsuite/gas/bpf/lddw.d: Likewise.
* testsuite/gas/bpf/jump-be.d: Likewise.
* testsuite/gas/bpf/jump.s: Likewise.
* testsuite/gas/bpf/jump.d: Likewise.
* testsuite/gas/bpf/exit-be.d: Likewise.
* testsuite/gas/bpf/exit.s: Likewise.
* testsuite/gas/bpf/exit.d: Likewise.
* testsuite/gas/bpf/call-be.d: Likewise.
* testsuite/gas/bpf/call.s: Likewise.
* testsuite/gas/bpf/call.d: Likewise.
* testsuite/gas/bpf/bpf.exp: Likewise.
* testsuite/gas/bpf/atomic-be.d: Likewise.
* testsuite/gas/bpf/atomic.s: Likewise.
* testsuite/gas/bpf/atomic.d: Likewise.
* testsuite/gas/bpf/alu-be.d: Likewise.
* testsuite/gas/bpf/alu32-be.d: Likewise.
* testsuite/gas/bpf/alu32.s: Likewise.
* testsuite/gas/bpf/alu32.d: Likewise.
* testsuite/gas/bpf/alu.s: Likewise.
* testsuite/gas/all/gas.exp: Introduce a nop_type for eBPF.
* testsuite/gas/all/org-1.s: Support nop_type 6.
* testsuite/gas/all/org-1.l: Updated to reflect changes in
org-1.s.
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