diff options
Diffstat (limited to 'meta/recipes-devtools/gdb/gdb/0014-arc-Take-into-account-the-REGNUM-in-supply-collect-g.patch')
| -rw-r--r-- | meta/recipes-devtools/gdb/gdb/0014-arc-Take-into-account-the-REGNUM-in-supply-collect-g.patch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/meta/recipes-devtools/gdb/gdb/0014-arc-Take-into-account-the-REGNUM-in-supply-collect-g.patch b/meta/recipes-devtools/gdb/gdb/0014-arc-Take-into-account-the-REGNUM-in-supply-collect-g.patch deleted file mode 100644 index a7256065cc..0000000000 --- a/meta/recipes-devtools/gdb/gdb/0014-arc-Take-into-account-the-REGNUM-in-supply-collect-g.patch +++ /dev/null @@ -1,104 +0,0 @@ -From 5eb97d5e92ad23ee81cebc1ebd5eafe0aa55fc17 Mon Sep 17 00:00:00 2001 -From: Shahab Vahedi <shahab@synopsys.com> -Date: Tue, 10 Nov 2020 19:34:57 +0100 -Subject: [PATCH 3/4] arc: Take into account the REGNUM in supply/collect gdb - hooks - -All the arc_linux_supply_*() target operations and the -arc_linux_collect_v2_regset() in arc-linux-tdep.c were -supplying/collecting all the registers in regcache as if the -REGNUM was set to -1. - -The more efficient behavior is to examine the REGNUM and act -accordingly. That is what this patch does. - -gdb/ChangeLog: - - * arc-linux-tdep.c (supply_register): New. - (arc_linux_supply_gregset, arc_linux_supply_v2_regset, - arc_linux_collect_v2_regset): Consider REGNUM. - -Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=46023bbe81355230b4e7b76d3084337823d02362] - -Signed-off-by: Shahab Vahedi <shahab@synopsys.com> -Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> ---- - gdb/arc-linux-tdep.c | 41 ++++++++++++++++++++++++++++++++--------- - 1 file changed, 32 insertions(+), 9 deletions(-) - -diff --git a/gdb/arc-linux-tdep.c b/gdb/arc-linux-tdep.c -index 17bb3e7b276..e83d82b6f5c 100644 ---- a/gdb/arc-linux-tdep.c -+++ b/gdb/arc-linux-tdep.c -@@ -535,6 +535,18 @@ arc_linux_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc) - } - } - -+/* Populate REGCACHE with register REGNUM from BUF. */ -+ -+static void -+supply_register (struct regcache *regcache, int regnum, const gdb_byte *buf) -+{ -+ /* Skip non-existing registers. */ -+ if ((arc_linux_core_reg_offsets[regnum] == ARC_OFFSET_NO_REGISTER)) -+ return; -+ -+ regcache->raw_supply (regnum, buf + arc_linux_core_reg_offsets[regnum]); -+} -+ - void - arc_linux_supply_gregset (const struct regset *regset, - struct regcache *regcache, -@@ -545,9 +557,14 @@ arc_linux_supply_gregset (const struct regset *regset, - - const bfd_byte *buf = (const bfd_byte *) gregs; - -- for (int reg = 0; reg <= ARC_LAST_REGNUM; reg++) -- if (arc_linux_core_reg_offsets[reg] != ARC_OFFSET_NO_REGISTER) -- regcache->raw_supply (reg, buf + arc_linux_core_reg_offsets[reg]); -+ /* regnum == -1 means writing all the registers. */ -+ if (regnum == -1) -+ for (int reg = 0; reg <= ARC_LAST_REGNUM; reg++) -+ supply_register (regcache, reg, buf); -+ else if (regnum <= ARC_LAST_REGNUM) -+ supply_register (regcache, regnum, buf); -+ else -+ gdb_assert_not_reached ("Invalid regnum in arc_linux_supply_gregset."); - } - - void -@@ -558,9 +575,12 @@ arc_linux_supply_v2_regset (const struct regset *regset, - const bfd_byte *buf = (const bfd_byte *) v2_regs; - - /* user_regs_arcv2 is defined in linux arch/arc/include/uapi/asm/ptrace.h. */ -- regcache->raw_supply (ARC_R30_REGNUM, buf); -- regcache->raw_supply (ARC_R58_REGNUM, buf + REGOFF (1)); -- regcache->raw_supply (ARC_R59_REGNUM, buf + REGOFF (2)); -+ if (regnum == -1 || regnum == ARC_R30_REGNUM) -+ regcache->raw_supply (ARC_R30_REGNUM, buf); -+ if (regnum == -1 || regnum == ARC_R58_REGNUM) -+ regcache->raw_supply (ARC_R58_REGNUM, buf + REGOFF (1)); -+ if (regnum == -1 || regnum == ARC_R59_REGNUM) -+ regcache->raw_supply (ARC_R59_REGNUM, buf + REGOFF (2)); - } - - /* Populate BUF with register REGNUM from the REGCACHE. */ -@@ -618,9 +638,12 @@ arc_linux_collect_v2_regset (const struct regset *regset, - { - bfd_byte *buf = (bfd_byte *) v2_regs; - -- regcache->raw_collect (ARC_R30_REGNUM, buf); -- regcache->raw_collect (ARC_R58_REGNUM, buf + REGOFF (1)); -- regcache->raw_collect (ARC_R59_REGNUM, buf + REGOFF (2)); -+ if (regnum == -1 || regnum == ARC_R30_REGNUM) -+ regcache->raw_collect (ARC_R30_REGNUM, buf); -+ if (regnum == -1 || regnum == ARC_R58_REGNUM) -+ regcache->raw_collect (ARC_R58_REGNUM, buf + REGOFF (1)); -+ if (regnum == -1 || regnum == ARC_R59_REGNUM) -+ regcache->raw_collect (ARC_R59_REGNUM, buf + REGOFF (2)); - } - - /* Linux regset definitions. */ --- -2.16.2 - |