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* solib.c (solib_add_common_symbols): Add comment about performance.

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Jim Kingdon 1993-06-20 05:28:07 +00:00
parent 8eb5e28936
commit 2a4e8cc37d
2 changed files with 18 additions and 0 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
Sun Jun 20 00:24:41 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
* solib.c (solib_add_common_symbols): Add comment about performance.
Fri Jun 18 12:37:36 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
* config/mips/{{x,n}m-riscos.h,riscos.mh}: New files.

14
gdb/solib.c
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@ -259,6 +259,20 @@ solib_map_sections (so)
#ifndef SVR4_SHARED_LIBS
/* This routine can be a real performance hog. According to some gprof data
which mtranle@paris.IntelliCorp.COM (Minh Tran-Le) sent, almost all the
time spend in solib_add (up to 20 minutes with 35 shared libraries) is
spent here, with 5/6 in lookup_minimal_symbol and 1/6 in read_memory.
Possible solutions:
* Hash the minimal symbols.
* Just record the name of the minimal symbol and lazily patch the
addresses.
* Tell everyone to switch to Solaris2. */
static void
solib_add_common_symbols (rtc_symp, objfile)
struct rtc_symb *rtc_symp;